Post on 12-Mar-2020
transcript
Shaft Clamping Elements Index
CROSS+MORSE
Power Transmission Solutions
Power Transmission Solutions
Cross Shaft Clamping Element Features 2Shaft Clamping Element Selection 3-4Clamping Elements:Type RCK 15 - For Standard Hubs 5Type RCK 13 - Standard General Purpose 6Type RCK 16 - Standard General Purpose 7Type RCK 70 - High Torque Units 8Type RCK 71 - High Torque Units 9Type RCK 80 - Minimal Axial Space 10Type ACE 81 - Small Axial Space/Bore Selection 11 Type RCK 61 - Compact Small Shaft Units 12Type CCE 54 - Single Nut Clamping 13Type CCE 55 - Single Nut Clamping 13Type RCK 40 - Original Compact Units 14Type RCK 45 - Very Compact Versatile Units 15Type RCK 11 - Maximum Torque Units 16Type RCK 50 - Clamping Rings 17Type RCK 19 - Clamping Discs 18Type RCK 95 - Shaft Couplings 19
Installation and Disassembly Instructions 20
Catalogue Selection INDEX
Enquiry
CD Contents
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
2
Shaft Clamping Elements
Cross Shaft Clamping Elements provide the latest technologyin drive connection.
Cross Shaft Clamping Elements, by means of frictional forces, provide connection of all types of transmissionequipment to their respective shafts, enabling transmission of both torque and axial thrust loads. Precision taperedthrust cones within the clamping elements create high pressure between shaft and hub to securely fasten pulleys,sprockets, gears etc. Stresses in both hub and shaft are similar to heavy press fits, however, the actual stresses areeasy to calculate; and the hub can always be easily dismantled without damage to it or the shaft; only a torquewrench being required for both assembly and disassembly.Precision transmission of torque with no backlash is obtained with shaft clamping elements, without the need oftight manufacturing tolerances of mating components. Simplified designs can enable manufacturing cost reductions,coupled with easy assembly and disassembly.
Cross Shaft Clamping Elements provide an alternative method of connecting hubs to shafts to:-Tapered BushesHydraulic Clamping SystemsFine-bored Hubs, with Precision keyways and Locking SetscrewsHeavy Press FitsWelded Components
Cross Shaft Clamping Elements offer many advantages:-Easy Assembly - Hub to shaft connection is simple, only a torque wrench being required for
correct assembly.
Easy Disassembly - Just release of locking screws is all that is required on some series, others require simple positive release by tightening screws in jacking holes.
Simplified Manufacture - Parallel boring of hubs with H8 tolerance, or up to H11 on some sizes.
Lower Cost Assemblies - Eliminates costly machining of splines, keyways, and setscrews.
Long Fatigue Life - Elimination of keys prevents failure due to fretting, or notch initiatedcracking under torsional loads.
No Axial Location Required - Hubs can be positioned anywhere on shaft and locked to withstand high axial loads.
High Torque Transmission - Most series will transmit torques equivalent to shaft capacities, and forhigher torques clamping elements can be combined within one shaft/hub connection.
Small Shaft Diameters - Elimination of keyways often enables smaller diameter shafts to be used on many applications.
Freedom from Wear - Lack of moving parts means no wear. Shaft Clamping Elements can betightened and released as often as required with no wear.
Less Maintenance - Correctly assembled, Shaft Clamping Elements require no maintenance. Self locking action of most designs ensures torque transmission even if locking screws should vibrate loose during use.
True Running - Equally distributed friction locking ensures no play and high concentricity.
Shafts Remain Unmarked - Shaft Clamping Elements do not mark shafting ensuring ability of easydisassembly and assembly of components.
Timing of Drives - Infinitely variable angular positioning with simple clamping and release enables simple timing of drives.
Overload Protection - If design load is exceeded the clamping elements will slip on shaft providingprotection to other machine components.
Resistance to Contamination - When fully clamped contact surfaces are tightly pressed together preventingingress of dirt and moisture.
Sealed Joints - Clamping Elements Series RCK 50 can be used to provide fully Gastight Joints, to seal against passage of liquids or gases.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
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CD Contents Catalogue Selection INDEX
Cross Shaft Clamping Elements
3
In order to make the best selection of a Cross Shaft Clamping Element for your application a number of factors mustbe taken into consideration. These include the shaft diameter; the outside diameter of the hub of connectingcomponent; the drive torque to be transmitted, and axial thrust loads, and tilting or bending loads, maximum shaftspeeds, operating temperature, and general design parameters and space restrictions.
Shaft Diameter:-The shaft diameter will determine the particular size of clamping element in any series, and by reference to thecatalogue details the suitability of that to meet the other parameters can be checked. Also hollow shafts must bechecked for any load carrying strength, see below.
Hub Outside Diameter:-The Hub Diameter has to be sufficient to support the stresses imposed by the shaft clamping element. The cataloguegives maximum hub diameters for medium carbon steel, but for other materials and method of determining referbelow. Generally if hub diameter is over 2.5 times shaft diameter all series are suitable, but for smaller ratios considertypes RCK 80, ACE 81, CCE 54 and CCE55, for very thin walled hubs use clamping discs type RCK 19.
Determination of Minimum Hub Diameter andMax. Hollow Shaft Bore:-The following calculations are for static conditions only, consideringonly stresses imposed by the clamping element. The hub diameter iscontrolled by the pressure applied by the outer cone of the clampingelement; the shape of the hub bore and total length of hub; and yieldstress for permanent elongation of 0.2%.
Minimum Hub Dia. Dm = D � + PhC� – PhC
Where D = Clamping element outside diameter mm� = Yield strength of material N/mm2
Ph = Surface pressure on hub N/mm2
C = Constant for Hub shape - see drawings
The tables in the catalogue give minimum hub diameters for hubsmanufactured in medium carbon steel (080M40 or C45) or other materialwhere � = 320 N/mm2. Values for � on other commonly used hubmaterials are:-
220 Grade Cast Iron � = 150 N/mm2
260 Grade Cast Iron � = 180 N/mm2
Mild Steels � = 220 N/mm2
070M55 (En9) � = 350 N/mm2
Stainless Steel � = 200 N/mm2
Aluminium � = 100 N/mm2
For hollow bored Shafting:-
Max. Bore in Shaft Dm = d � – 1.6 Ps�
Where d = Clamping element bore mmPs = Surface pressure on Shaft N/mm2
For solid shafting yield strength of material � must be higher than surface pressure Ps.
Maximum Shaft Speed:-The centrifugal forces generated by high shaft speeds can reduce torque capacity and increase stress loads on hubs.Consult Cross+Morse if speed of shaft results in outer clamping diameter D running above 25M/sec.
Operating Temperature:-Maximum temperatures should not exceed 100˚C. At temperatures above 70˚C the locking screws should berechecked after 1 hour operation, whilst assembly is still warm.
Hub Assembly Type AC=1.0
Hub Assembly Type BC=0.8
Hub Assembly Type CC=0.6
L1 � Hw � 2L1 L2 � Hw � 2L2
Where Hw = Hub WidthFor Dimensions L1 & L2 ref. Product Pages
Hw � 2L1 Hw � 2L2
Hw � 2L1 (All Types)
CROSS+MORSE
Power Transmission Solutions
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CD Contents Catalogue Selection INDEX
General Design Factors:-Never place a shaft clamping element radically inline with a bearing, as expansion due to clamping could causebearing seizure. To help final selection refer to table below for series selection.
Catalogue Page
RCK
11
RCK
13
RCK
15
RCK
16
RCK
19
RCK
40
RCK
50
CCE
54
CCE
55
RCK
61
RCK
70
RCK
71
RCK
80
RCK
95
RCK
45
ACE
81SERIES
Type of Load
Smooth Light Shock Medium Shock Heavy Shock
4
Shaft Clamping Selection
Drive Torque to be transmitted and Axial Thrust Loads:-The maximum effective torque Te derived from maximum Drive Torque Tm and maximum Axial Thrust Ft mustalways be less than the Torque Capacity M shown in tables for selected shaft clamping element.The maximum Drive Torque Tm must take into consideration any shock loads, and also the maximum starting torqueof drive. If the max. torque is not known, it can be estimated by applying the service factor from the table below tothe nominal drive torque Td, which can be derived from motor power P and shaft speed N r.p.m.
Drive Torque Td = 9550 P Nm Where P = Power kWN N = Shaft Speed rpm
Max. Drive Torque Tm = SF x Td Nm
Axial Thrust loads on shaft clamping elements reduces torque capacity. To determine a clamping elements capabilityto transmit both maximum torque and axial thrust loads the effective torque must be established if any axial loadingexists.
Maximum effective torque Te = Tm2
+ Nm
For correct selectionTorque Capacity M > Te (or Tm): and Axial Force Capacity F > Ft
Tilting or Bending Loads:-Always endeavour to design location of shaft clamping element directly beneath line of driving force on hub, iechain, vee belt etc. If overhang of load or force occurs the torque capacity of the clamping element can be reduced.Under no circumstances should the resultant couple force on the clamping element exceed 0.25M
Selection Factors SF
General Features of Cross Shaft Clamping Elements
Type of Motive Power
a.c. Motor direct start
d.c. Motor/a.c. Motor Invertor Control or Soft Start
Hydraulic or pneumatic motors
Internal combustion engines
3
1.5
1.2
3
3
2
1.5
3.5
3
2.5
2.5
4
4
3
3
5
FEATURE
1)Depends on design.
Ft.d2000
Ft = Max. Axial Load Nd = Shaft Diameter mm( )
2
Torque Capacity
Self Centring
Concentricity Accuracy
Axial Movement in Clamping
Hub Surface Pressures
Self Locking When Clamped
Suitable for Thin Walled Hub
Short Overall Length
Clamps Outside Hub Dia.
Cost of Assembly
HIGH
YES
GOOD
NO
MED
YES
NO
NO
NO
HIGH
16
MED
YES
GOOD
YES
HIGH
YES
NO
YES
NO
MED
6
MED
YES
GOOD
NO
MED
YES
NO
YES
NO
LOW
5
MED
YES
GOOD
NO
MED
YES
NO
YES
NO
MED
7
HIGH
YES
HIGH
NO
N/A
NO
YES
YES
YES
HIGH
19
MED
NO
LOW
NO
MED
NO
NO
YES
NO
LOW
14
MED
YES
GOOD
YES
MED
NO
NO
YES
NO
LOW
15
LOW
YES
LOW
NO1
LOW
NO
YES
YES
NO
LOW
17
LOW
YES
MED
NO1
LOW
YES
YES
YES
NO
LOW
13
MED
YES
MED
NO1
LOW
YES
YES
YES
NO
LOW
13
LOW
YES
GOOD
YES
LOW
YES
NO
YES
NO
LOW
12
MED
YES
HIGH
YES
HIGH
YES
NO
NO
NO
MED
8
MED
YES
GOOD
NO
MED
YES
NO
NO
NO
MED
9
MED
YES
GOOD
NO
LOW
YES
YES
NO
NO
HIGH
10
MED
YES
GOOD
NO
LOW
YES
YES
NO
NO
MED
11
LOW
N/A
MED
NO
N/A
NO
N/A
NO
YES
HIGH
19
CROSS+MORSE
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Clamping Elements Type RCK 15
5
Designed for use with standardised ranges of pulleys, sprockets, and gears, theshaft clamping elements can accommodate a large range of shaft diameters witha hub of constant bore diameter. On clamping precise axial and radial position-ing is provided, combined with medium torque transmission capability.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
Cross+Morse can provide standardRoller Chain Sprockets finish bored toaccommodate RCK 15 shaft clampingelements, with ability to fit to eitherhub or sprocket end.
X = Distance required to removescrews, additional clearance for alankey may be required.Dimensions
Part No.
RCK15-14X55RCK15-16X55RCK15-18X55
RCK15-19X55RCK15-20X55RCK15-22X55
RCK15-24X55RCK15-25X55RCK15-28X55
RCK15-30X55RCK15-24X65RCK15-25X65
RCK15-28X65RCK15-30X65RCK15-32X65
RCK15-35X65RCK15-38X65RCK15-40X65
RCK15-30X80RCK15-32X80RCK15-35X80
RCK15-38X80RCK15-40X80RCK15-42X80
RCK15-45X80RCK15-48X80RCK15-50X80
RCK15-40X80HRCK15-45X80HRCK15-50X80H
141618
192022
242528
302425
283032
353840
303235
384042
454850
404550
555555
555555
555555
556565
656565
656565
808080
808080
808080
808080
393939
393939
393939
393939
393939
393939
414141
414141
414141
414141
171717
171717
171717
171717
171717
171717
202020
202020
202020
202020
222222
222222
222222
222222
222222
222222
252525
252525
252525
252525
313131
313131
313131
313131
313131
313131
333333
333333
333333
333333
252525
252525
252525
252525
252525
252525
252525
252525
252525
252525
282313353
372392431
470490549
588617637
725764823
902970
1029
108211551260
137014401510
162017351806
215724222700
393939
393939
393939
395151
515151
515151
727272
727272
727272
108108108
458400356
337320290
265255228
213332320
285267250
228210200
315298272
250238226
212198190
340302272
118118118
118118118
118118118
118122122
122122122
122122122
120120120
120120120
120120120
169169169
444
444
444
455
555
555
777
777
777
101010
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
M8M8M8
414141
414141
414141
414141
414141
414141
414141
414141
414141
414141
0.510.490.48
0.470.470.45
0.440.430.41
0.400.680.63
0.610.580.56
0.530.500.47
1.041.030.98
0.940.910.89
0.830.790.74
0.890.850.78
818181
818181
818181
819797
979797
979797
119119119
119119119
119119119
144144144
757575
757575
757575
758989
898989
898989
109109109
109109109
109109109
126126126
696969
696969
696969
698282
828282
828282
101101101
101101101
101101101
111111111
Dimensions mm
d D L L1 L2 L3 X
TorqueCap.
MNm
AxialForce
FkN
Approx.Weight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Pressure Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
CROSS+MORSE
Power Transmission Solutions
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Dimensions
6
Clamping Elements Type RCK 13
These shaft clamping elements are very compact units capable oftransmitting medium torques. Their design ensures good concentricitybetween hubs and shafts, without any other means of location. A slightaxial movement between hub and shaft occurs during clamping. Theseunits can be installed totally within the hub providing optimum safety, andminimal axial length.
Part No.
RCK13-18X47RCK13-19X47RCK13-20X47RCK13-22X47
RCK13-24X50RCK13-25X50RCK13-28X55RCK13-30X55
RCK13-32X60RCK13-35X60RCK13-38X65RCK13-40X65
RCK13-45X75RCK13-50X80RCK13-55X85RCK13-60X90
RCK13-65X95RCK13-70X110RCK13-75X115RCK13-80X120
RCK13-85X125RCK13-90X130RCK13-95X135RCK13-100X145
RCK13-110X155RCK13-120X165RCK13-130X180RCK13-140X190
RCK13-150X200RCK13-160X210RCK13-170X225RCK13-180X235
18192022
24252830
32353840
45505560
65707580
859095
100
110120130140
150160170180
47474747
50505555
60606565
75808590
95110115120
125130135145
155165180190
200210225235
34343434
34343434
34343434
41414141
41505050
50505056
56566468
68687878
17171717
17171717
17171717
20202020
20242424
24242426
26263434
34344444
22222222
22222222
22222222
25252525
25303030
30303032
32324040
40405050
28282828
28282828
28282828
33333333
33404040
40404044
44445254
54546464
20202020
20202020
20202020
25252525
25303030
30303035
35353540
40404040
350355360400
440560625650
950105011401200
2180243030503350
4080628066807130
84509080
1058013380
14580178802595026950
32950379004490046900
39373636
37454543
59606060
9797
111112
126179178178
199202223268
265298399385
439474528521
280280280268
243280250235
290268252232
285258268243
253278258248
258248258268
238248238208
228228188168
120120120123
120138128128
150150146146
168158173163
173178168168
178168178188
178178168148
168168128128
5555
6666
8888
7788
9888
99
108
89
129
10111212
M6M6M6M6
M6M6M6M6
M6M6M6M6
M8M8M8M8
M8M10M10M10
M10M10M10M12
M12M12M12M14
M14M14M14M14
14141414
14141414
14141414
35353535
35707070
707070
125
125125125190
190190190190
0.270.270.260.25
0.280.270.320.30
0.370.340.410.38
0.630.680.730.78
0.831.331.391.48
1.551.631.702.60
2.803.004.604.90
5.205.507.708.10
70707070
74798484
100100106106
134137156158
174206206215
234233253284
290309323313
358376344359
64646465
68727777
89899595
117121135139
151177180188
202203218241
250266282280
313329313327
59595959
63657070
80808686
104109119123
133156159166
177180191210
219233249253
277291287300
Dimensions mm
d D L L1 L2 L3 X
TorqueCap.
MNm
AxialForce
FkN
Approx.Weight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Pressure Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
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CD Contents Catalogue Selection INDEX
Clamping Elements Type RCK 16
7
These clamping elements are basically to same design as RCK 13, but withincreased diameter flange to locate hub and prevent axial movements, socombining good concentricity with positive axial location. The increase infriction between the cones due to axial restriction results in torquereduction of approx 20%, but this also means reduced surface pressures toboth hub and shaft.
Dimensions
Part No.
RCK16-18X47RCK16-19X47RCK16-20X47RCK16-22X47
RCK16-24X50RCK16-25X50RCK16-28X55RCK16-30X55
RCK16-32X60RCK16-35X60RCK16-38X65RCK16-40X65
RCK16-45X75RCK16-50X80RCK16-55X85RCK16-60X90
RCK16-65X95RCK16-70X110RCK16-75X115RCK16-80X120
RCK16-85X125RCK16-90X130RCK16-95X135RCK16-100X145
RCK16-110X155RCK16-120X165RCK16-130X180RCK16-140X190
RCK16-150X200RCK16-160X210RCK16-170X225RCK16-180X235
18192022
24252830
32353840
45505560
65707580
859095
100
110120130140
150160170180
47474747
50505555
60606565
75808590
95110115120
125130135145
155165180190
200210225235
34343434
34343434
34343434
41414141
41505050
50505056
56566468
68687878
17171717
17171717
17171717
20202020
20242424
24242426
26263434
34344444
22222222
22222222
22222222
25252525
25303030
30303032
32324040
40405050
28282828
28282828
28282828
33333333
33404040
40404044
44445254
54546464
20202020
20202020
20202020
25252525
25303030
30303035
35353540
40404040
264274284314
401441490529
755824892941
1716189324032648
3188490551505490
662069608190
10100
11030136001900021800
25600302003500037000
29292829
33353535
47474747
76768788
98140137137
156155172202
201227292311
341378412411
215215215196
215210196186
210186191186
225205210186
196215195185
195185195205
190205186177
185185147142
93939393
107107
9898
112107112102
132127132122
132137127122
132127137145
135142137127
137140110108
5555
6666
8888
7788
9888
99
108
89
129
10111212
M6M6M6M6
M6M6M6M6
M6M6M6M6
M8M8M8M8
M8M10M10M10
M10M10M10M12
M12M12M12M14
M14M14M14M14
17171717
17171717
17171717
41414141
41838383
838383
145
145145145230
230230230230
0.280.270.260.25
0.280.270.350.32
0.380.350.410.39
0.650.690.750.80
0.851.351.421.51
1.581.661.732.64
2.843.054.704.95
5.305.607.908.30
63636363
71717575
86859490
116122132134
147174175179
194198213236
243266284289
316336322334
60606060
66667171
80798784
106111120123
134157160164
176181193212
220239257264
286303298310
56565656
61616666
74748079
97102109114
122143147151
161166176192
201217234242
260275277289
Dimensions mm
d D L L1 L2 L3 X
TorqueCap.
MNm
AxialForce
FkN
Approx.Weight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Pressure Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
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CD Contents Catalogue Selection INDEX
8
Clamping Elements Type RCK 70
These shaft clamping elements are designed to give optimum concentricity,both radically and axially. Similar in design to the RCK 13, but withincreased length to provide improved support, and reduced pressures onboth shaft and hub. These units must always be installed inside the hub toensure optimum concentricity. Axial movement of hub will occur duringclamping operation.
Dimensions
Part No.
RCK70-19X47RCK70-20X47RCK70-22X47RCK70-24X50
RCK70-25X50RCK70-28X55RCK70-30X55RCK70-32X60
RCK70-35X60RCK70-38X65RCK70-40X65RCK70-42X75
RCK70-45X75RCK70-48X80RCK70-50X80RCK70-55X85
RCK70-60X90RCK70-65X95RCK70-70X110RCK70-75X115
RCK70-80X120RCK70-85X125RCK70-90X130RCK70-95X135
RCK70-100X145RCK70-110X155RCK70-120X165RCK70-130X180
RCK70-140X190RCK70-150X200RCK70-160X210RCK70-170X225RCK70-180X235
19202224
25283032
35384042
4548 5055
60657075
80859095
100110120130
140150160170180
47474750
50555560
60656575
75808085
9095
110115
120125130135
145155165180
190200210225235
45454545
45454545
45454555
55555555
55556772
72727272
89898989
9090909090
26262626
26262626
26262630
30303030
30304040
40404040
46464646
5151515151
31313131
31313131
31313136
36363636
36364646
46464646
52525252
5959595959
39393939
39393939
39393947
47474747
47475762
62626262
77777777
8484848484
25252525
25252525
25252530
30303030
30303535
35353535
45454545
4545454545
403443510607
689826865
1129
1177145115372314
2657277530113729
3949497081288694
9458111671197013950
18295201442634528135
3617743476494664445248901
42444651
55595871
677677
110
118116120136
132153232232
236263266294
366366439433
517580618523543
228226215215
225215196225
196205196232
232213213218
194208220205
196205196205
211192211192
192201201160157
989893
102
102107117111
116121122137
137132132142
153137140135
127142135145
145136152137
142150150120117
4446
6668
8886
6668
8888
8101010
88
1012
810101212
M6M6M6M6
M6M6M6M6
M6M6M6M8
M8M8M8M8
M8M8
M10M10
M10M10M10M10
M12M12M12M12
M14M14M14M14M14
17171717
17171717
17171741
41414141
41418383
83838383
145145145145
230230230230230
0.380.370.360.39
0.380.450.420.52
0.480.570.540.91
0.891.000.951.02
1.111.192.202.53
2.662.792.933.06
4.544.925.285.52
7.257.658.168.759.35
64646370
70788186
889797
119
119124124137
151150176180
183201204220
236244277284
306333349334345
60606065
65727480
818989
107
107113113123
135136159163
167181185197
212221246257
275297311307318
57575661
61676974
75828298
98103103112
121124144149
153164168178
192201221234
250267280283294
Dimensions mm
d D L L1 L2 L3 X
TorqueCap.
MNm
AxialForce
FkN
Approx.Weight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Pressure Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
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CD Contents Catalogue Selection INDEX
Clamping Elements Type RCK 71
9
The RCK 71 is a type RCK 70 with addition of a distance ring to preventaxial movement of the hub during clamping. Due to the additional frictionbetween the element and hub during clamping maximum torques arereduced, but with reduction in surface pressures also. This design can bemounted within the confines of a hub providing a stepped bore is providedto accommodate the flange.
Dimensions
Part No.
RCK71-19X47RCK71-20X47RCK71-22X47RCK71-24X50
RCK71-25X50RCK71-28X55RCK71-30X55RCK71-32X60
RCK71-35X60RCK71-38X65RCK71-40X65RCK71-42X75
RCK71-45X75RCK71-48X80RCK71-50X80RCK71-55X85
RCK71-60X90RCK71-65X95RCK71-70X110RCK71-75X115
RCK71-80X120RCK71-85X125RCK71-90X130RCK71-95X135
RCK71-100X145RCK71-110X155RCK71-120X165RCK71-130X180
RCK71-140X190RCK71-150X200RCK71-160X210RCK71-170X225RCK71-180X235
19202224
25283032
35384042
4548 5055
60657075
80859095
100110120130
140150160170180
47474750
50555560
60656575
75808085
9095
110115
120125130135
145155165180
190200210225235
45454545
45454545
45454555
55555555
55556772
72727272
89898989
9090909090
26262626
26262626
26262630
30303030
30304040
40404040
46464646
5151515151
31313131
31313131
31313136
36363636
36364646
46464646
52525252
5959595959
39393939
39393939
39393947
47474747
47475762
62626262
77777777
8484848484
25252525
25252525
25252530
30303030
30303535
35353535
45454545
4545454545
294313362421
470578637784
843101011081892
1912213721672677
2853350057176207
670780028502
10002
13336145821908320417
2492030130325203335033600
31313335
38414249
48535590
85898797
95108163166
168188189211
267265318314
356402407392373
228226206206
221202221197
202197234216
216221221221
197206221216
198216197187
197197216198
188198198158154
969697
100
110105118114
118121143135
135142143143
131142142148
139157143138
148178158143
138149149119119
4446
6668
8886
6668
8888
8101010
88
1012
810101212
M6M6M6M6
M6M6M6M6
M6M6M6M8
M8M8M8M8
M8M8
M10M10
M10M10M10M10
M12M12M12M12
M14M14M14M14M14
17171717
17171717
17171741
41414141
41418383
83838383
145145145145
230230230230230
0.390.380.370.41
0.400.480.450.56
0.520.620.590.97
0.951.071.021.09
1.191.272.032.65
2.782.923.073.21
4.805.205.585.86
7.628.048.569.199.83
64646469
72778187
8897
105118
118129129137
139153177190
191214210214
239290283291
301331348333347
60606065
66727580
818994
107
107116116124
126138159170
172189189193
214250251262
272296311306319
56565660
62676975
75828697
97105105112
116125145153
157169171176
193219224237
248266280282295
Dimensions mm
d D L L1 L2 L3 X
TorqueCap.
MNm
AxialForce
FkN
Approx.Weight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Pressure Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
1820202024
242931313636
37384045
45505257
5861646674
76798490
97108112123129
136147160178197
1822212126
253033334040
40414248
48545561
6164676978
80838893
100113117129135
143155170189209
0.040.050.070.060.09
0.080.180.220.210.210.24
0.250.260.350.36
0.400.420.440.46
0.570.600.660.711.14
1.401.582.002.30
2.502.833.103.273.50
3.804.204.905.806.60
M3M4M4M4M4
M4M4M6M6M6M6
M6M6M6M6
M6M6M6M6
M6M6M6M6M8
M8M8M8M8
M8M10M10M10M10
M10M10M10M12M12
2.25555
55
17171717
17171717
17171717
1717171741
41414141
4183838383
838383
145145
801108585
105
100809898
125125
12011580102
1029890
108
8076727085
80756560
5570658075
7580959393
33334
444444
4446
6668
88888
8899
999
1212
1214181212
187206151136172
150131157147191181
171161116145
139137123145
107100
9592
111
103988477
719082
10094
93101119118120
47779
91023232422
22222333
33333444
4141384176
76768686
86136136181181
181227296291290
22.525.527.527.527.5
27.527.536.536.539.539.5
39.539.546.546.5
46.546.546.546.5
52.552.552.552.571.0
71.071.081.081.0
81.096.596.596.596.5
96.596.596.5128128
10.012.014.014.014.0
14.014.016.016.019.019.0
19.019.026.026.0
26.025.525.525.5
31.531.531.531.545.0
45.045.055.055.0
55.065.065.065.065.0
65.065.065.090.090.0
18.521.523.523.523.5
23.523.529.529.532.532.5
32.532.539.539.5
39.539.539.539.5
45.545.545.545.562.5
62.562.572.572.5
72.586.586.586.586.5
86.586.586.586.586.5
2527282832
323945454747
49505456
56616265
6972757886
879298
104
111119126131137
144149154180198
25.529.531.531.531.5
31.531.542.542.545.545.5
45.545.552.552.5
52.552.552.552.5
58.558.558.558.579.0
79.079.089.089.0
89.0106.5106.5106.5106.5
106.5106.5106.5140.0140.0
2324252528
283540404242
43444850
50555759
6266697180
81869298
105113119125131
137142147172190
689
1011
121415161718
19202224
25283032
3538404245
48505560
6570758085
9095
100110120
1415161618
182324242626
27283234
34394143
4750535559
62657177
849095
100106
112120125140155
10
Clamping Elements Type RCK 80
Available for shaft diameters down to 6mm, these shaft clamping elementsare designed to fit into small diameter hubs, being particularly suited tolight duty, light torque applications. A spacer ring prevents axial movementduring clamping; and design ensures good levels of concentricity.For correct operation of these units, the hub diameter should not be lessthan the flange diameter D2, even though with many materials stress limitswould allow selection of smaller hub diameters.
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3. For unit to function correctly hub diameter should not be less thanflange outside diameter D2.For assembly and disassembly instructions refer to page 20.
Dimensions
Part No.
RCK80-6X14RCK80-8X15RCK80-9X16RCK80-10X16RCK80-11X18
RCK80-12X18RCK80-14X23RCK80-15X24RCK80-16X24RCK80-17X26RCK80-18X26
RCK80-19X27RCK80-20X28RCK80-22X32RCK80-24X34
RCK80-25X34RCK80-28X39RCK80-30X41RCK80-32X43
RCK80-35X47RCK80-38X50RCK80-40X53RCK80-42X55RCK80-45X59
RCK80-48X62RCK80-50X65RCK80-55X71RCK80-60X77
RCK80-65X84RCK80-70X90RCK80-75X95RCK80-80X100RCK80-85X106
RCK80-90X112RCK80-95X120RCK80-100X125RCK80-110X140RCK80-120X155
1012121212
121218181818
18181818
18181818
1818181822
22222222
2225252525
2525253030
1228313551
5669
170180200200
210219250392
411460510701
720781768863
1711
1824190223532569
27864755510072507700
816010800148001600017400
1719191922
222729293333
34353842
42474953
5558616370
73758187
94103108117123
129140150167185
Dimensions mm
d D L L1D1 L2D2 L3 X
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Press. Clamping Screws Min. Hub Dia* mm
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
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CD Contents Catalogue Selection INDEX
ACE81-11X26ACE81-12X26ACE81-14X26ACE81-15X26ACE81-16X26ACE81-18X26ACE81-19X26ACE81-20X26ACE81-19X38ACE81-20X38ACE81-22X38ACE81-24X38ACE81-25X38ACE81-28X38ACE81-30X38ACE81-19X38HACE81-20X38HACE81-22X38HACE81-24X38HACE81-25X38HACE81-28X38HACE81-30X38HACE81-24X52ACE81-25X52ACE81-28X52ACE81-30X52ACE81-32X52ACE81-35X52ACE81-38X52ACE81-40X52ACE81-42X52ACE81-28X72ACE81-30X72ACE81-32X72ACE81-35X72ACE81-38X72ACE81-40X72ACE81-42X72ACE81-45X72ACE81-48X72ACE81-50X72ACE81-55X72ACE81-60X72
11
Clamping Elements Type ACE 81
Available for shaft diameters down to 11mm, these shaft clamping elementsare designed to fit into very small diameter hubs, being particularly suited toTiming pulley and overload clutch applications. A spacer ring prevents axialmovement during clamping; and design ensures good levels of concentricity.For correct operation of these units, the hub diameter should not be less thanthe flange diameter D2, even though with many materials stress limits wouldallow selection of smaller hub diameters.
Dimensions
Part No.Dimensions mm
d D L L1D1 L2D2 L3 X
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ShaftPs
N/mm2
HubPh
N/mm2
No.Assy
Type AAssy
Type BAssy
Type C
Size Torque
Nm
Surface Press. Clamping Screws Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3. For unit to function correctly hub diameter should not be less thanflange outside diameter D2.For assembly and disassembly instructions refer to page 20.
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
11121415161819201920222425283019202224252830242528303235384042283032353840424548505560
26262626262626263838383838383838383838383838525252525252525252727272727272727272727272
40.540.540.540.540.540.540.540.5575757575757575757575757575770.570.570.570.570.570.570.570.570.596.596.596.596.596.596.596.596.596.596.596.596.5
31.531.531.531.531.531.531.531.5393939393939395252525252525252525252525252525268.068.068.068.068.068.068.068.068.068.068.068.0
14.014.014.014.014.014.014.014.014.014.014.014.014.014.014.02727272727272727272727272727272737.037.037.037.037.037.037.037.037.037.037.037.0
27.527.527.527.527.527.527.527.53333333333333346464646464646464646464646464646606060606060606060606060
12121212121212121818181818181818181818181818181818181818181818222222222222222222222222
8087
102109116131138145210220242265276309331314331364397413465497529552618662706772839883926
146215671671182819852089219423502506261128723133
14.514.514.514.514.514.514.514.52222222222222233333333333333444444444444444444
104104104104104104104104104104104104
236.4216.7185.7173.3162.5144.4136.8130208197.6179.6164.7158.1141.1131.7162153.9139.9128.3123.1109.9102.6171.2164.3146.7136.9128.4117.4108.1102.797.81254.6237.6222.8203.7187.6178.2169.7158.4148.5142.6129.6118.8
10010010010010010010010010410410410410410410481818181818181797979797979797979999999999999999999999999
6666666644444446666666888888888
101010101010101010101010
M4M4M4M4M4M4M4M4M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M6M8M8M8M8M8M8M8M8M8M8M8M8
55555555
1717171717171717171717171717171717171717171717414141414141414141414141
0.220.220.220.220.220.220.220.220.320.320.320.320.320.320.320.400.400.400.400.400.400.400.600.600.600.600.600.600.600.600.601.501.501.501.501.501.501.501.501.501.501.501.50
36363636363636365454545454545450505050505050676767676767676767
100100100100100100100100100100100100
34343434343434345050505050505047474747474747646464646464646464939393939393939393939393
32323232323232324747474747474745454545454545616161616161616161878787878787878787878787
37.537.537.537.537.537.537.537.553.053.053.053.053.053.053.053.053.053.053.053.053.053.066.566.566.566.566.566.566.566.566.591.591.591.591.591.591.591.591.591.591.591.591.5
14.014.014.014.014.014.014.014.014.014.014.014.014.014.014.02727272727272727272727272727272737.037.037.037.037.037.037.037.037.037.037.037.0
22.522.522.522.522.522.522.522.526.026.026.026.026.026.026.039.039.039.039.039.039.039.039.039.039.039.039.039.039.039.039.0525252525252525252525252
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
ale
s@
cr
os
sm
or
se
.c
om
CD Contents Catalogue Selection INDEX
Clamping ScrewsSize
Surface Press.HubPh
N/mm2
ShaftPs
N/mm2XL1
1012
141516
181920
222425
2022
262832
353538
404747
1313
171717
212121
212626
1212
161616
202020
202525
1520
354070
8085
220
240380390
33
559
99
22
223231
11092
10293
130
117111219
200215207
5550
555065
6060
115
110110110
44
444
446
666
M2.5M2.5
M3M3M4
M4M4M5
M5M6M6
1.21.2
2.12.14.9
4.94.99.7
9.716.216.2
M2.5M2.5
M3M3M4
M4M4M5
M5M6M6
22
222
223
333
0.080.09
0.120.130.15
0.200.190.21
0.220.310.30
2426
313339
424255
576767
2325
303238
414151
536262
2224
293136
393947
495858
15.515.5
202021
252526
263232
12
Clamping Elements Type RCK 61
Available for shaft diameters from 10mm, these clamping elements aredesigned for small low torque applications, providing concentric connectionof components to shafting. The thin wall design combined with low hubpressures enable use within small hub diameters. The design is intendedthat the units fit totally within the hub bore to provide safe surface. Some axial movement will occur when the units are clamped.
Dimensions
Part No.
RCK61-10X20RCK61-12X22
RCK61-14X26RCK61-15X28RCK61-16X32
RCK61-18X35RCK61-19X35RCK61-20X38
RCK61-22X40RCK61-24X47RCK61-25X47
Dimensions mm
d D L
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ExtractionScrewsNo.
No. AssyType A
AssyType B
AssyType C
SizeTorque
Nm
Min. Hub Dia* mm
Recommended tolerances for fulltorque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
ØD
Ød
L
L1X
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
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14
1516181920
24252830
323540455060
14151618
19202425
28303235
40455060
25
2525303030
35354040
454550556070
25252530
30303535
40404545
50556070
32
3232383838
45455252
585865707585
32323238
38384545
52525858
65707585
16.5
16.516.517.017.017.0
17.017.020.020.0
22.022.023.025.525.529.5
29292931
31313535
35354242
44454652
6.5
6.56.57.07.07.0
7.07.08.08.0
9.09.09.0
10.010.012.0
17171718
18182222
22222828
28282828
37
4042656070
100110140170
210230330440530830
90100
80200
170130270200
460300420460
640760930
1500
5
55767
89
1011
131317202128
13131022
18132316
33202626
32343750
130
122114133111120
117126100107
113103113110108
93
143133
94183
14290
11784
157939877
88737282
73
7373807080
80907080
808090909080
808060
110
90608060
110707060
70606070
KM4
KM4KM4KM5KM5KM5
KM6KM6KM7KM7
KM8KM8KM9
KM10KM11KM13
KM4KM4KM4KM5
KM5KM5KM6KM6
KM7KM7KM8KM8
KM9KM10KM11KM13
M20
M20M20M25M25M25
M30M30M35M35
M40M40M45M50M55M65
M20M20M20M25
M25M25M30M30
M35M35M40M40
M45M50M55M65
65
65658595
110
155160200240
320320440550660900
909070
190
150110230170
390240320320
440550660
1050
32
3232393739
45475052
585867738090
32323043
40364542
57505654
62667387
30
3030373637
43444849
555563697586
31312940
38354341
53485452
60647084
29
2929353435
41424647
525259657181
29292837
36344139
49465150
57626780
CCE54-14X25
CCE54-15X25CCE54-16X25CCE54-18X30CCE54-19X30CCE54-20X30
CCE54-24X35CCE54-25X35CCE54-28X40CCE54-30X40
CCE54-32X45CCE54-35X45CCE54-40X50CCE54-45X55CCE54-50X60CCE54-60X70
CCE55-14X25CCE55-15X25CCE55-16X25CCE55-18X30
CCE55-19X30CCE55-20X30CCE55-24X35CCE55-25X35
CCE55-28X40CCE55-30X40CCE55-32X45CCE55-35X45
CCE55-40X50CCE55-45X55CCE55-50X60CCE55-60X70
Locking NutThread
Surface Press.HubPh
N/mm2
ShaftPs
N/mm2L L1
13
Clamping Elements TypesCCE 54 and CCE 55
These clamping elements use a single lock nut to apply the clamping pressure, thereby enabling quick assembly and removal. The lock nut canbe secured in postition by bending over a tab of lock washer. The thin wallsof the clamping cones, combined with low hub pressures enables use withsoft materials, such as aluminium, and small hub diameters.
Dimensions
Part No.Dimensions mm
d D E
TorqueCap.
MNm
AxialForce
FkN
TypeAssy
Type AAssy
Type BAssy
Type C
Torque
Nm
Min. Hub Dia* mm
Use type CCE 54 where axial space is restricted and torque is low.
Type CCE 55 is for higher torque transmission.
Recommended tolerances for full torque transmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
L
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
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5 F
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CD Contents Catalogue Selection INDEX
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3. For assembly and disassembly instructions refer to page 20.† Clamping Rings for shafts diameters up to 400mm available to order.
X
1819202224
2528303235
3840424548
5055606570
7580859095
100110120130140
150160170180190
200220240260280
4747474750
5055556060
6565757580
80859095
110
115120125130135
145155165180190
200210225235250
260285305325355
2020202020
2020202020
2020202424
2424242428
2828282828
3333333838
3838444452
5256565666
1717171717
1717171717
1717172020
2020202024
2424242424
2626263434
3434383846
4650505060
2828282828
2828282828
2828283434
3434343440
4040404040
4747475252
5252606068
6874747489
1818181818
1818181818
1818182222
2222222225
2525252525
3030303535
3535404045
4550505060
250265280310370
390490520680710
880930
158016201690
17702260245030404560
48205130623065207770
946010490129451736020650
2381527615323703727045810
516006680093200
114500141000
2828282831
3135354341
4647757270
71828294
130
129128147145164
189191216267295
318345381414482
516607777881
1007
235235208192192
187153173205180
176176235206186
187196177188206
191177191176191
193176182163163
166166157163148
148148178188165
9292929294
949494
105105
108108123123108
113127120128127
124120127122133
133122133113123
122127118123113
113113140150130
88889
910101212
1414121212
1214141614
1414161618
1414162022
2426222428
3026283026
M5M6M6M6M6
M6M6M6M6M6
M6M6M8M8M8
M8M8M8M8
M10
M10M10M10M10M10
M12M12M12M12M12
M12M12M14M14M14
M14M16M16M16M18
1515151515
1515151515
1515153737
373737377070
70707070
127
127127127127
127127195195195
195290290290410
M8M8M8M8M8
M8M8M8M8M8
M8M8M8
M10M10
M10M10M10M10M12
M12M12M12M12M12
M14M14M14M14M14
M14M14M16M16M16
M16M18M18M18M20
22223
34444
44444
44444
44444
44444
44444
54444
0.260.250.240.230.26
0.250.300.290.340.32
0.360.340.600.570.63
0.600.630.690.731.26
1.331.401.491.531.62
2.012.152.353.513.85
4.074.305.786.058.25
8.6511.2512.2513.2517.00
6363636368
6874748484
9292
112112114
116129133145167
173178190194210
226232257260285
299320331352362
376412488540546
5959595964
6470707979
8686
103103106
107118123132153
158164174178191
205212233241261
274292305323334
348381440482497
5656565660
6066667373
8080959598
99108113121140
146151159164174
187196213223240
252268282297310
322353399434455
14
Clamping Elements Type RCK 40
These are the original type of shaft clamping elements, proven in a widerange of applications for more than 20 years. Suited to more generalapplications, this series provides medium torque transmission, which can beincreased by mounting the unit in series. This type does not provide selfcentring, and therefore other methods of centring the hub to the shaft arerequired. The units do not move axially during clamping and generally self-release when clamping screws are relaxed.
Dimensions
Part No. †
RCK40-18X47RCK40-19X47RCK40-20X47RCK40-22X47RCK40-24X50
RCK40-25X50RCK40-28X55RCK40-30X55RCK40-32X60RCK40-35X60
RCK40-38X65RCK40-40X65RCK40-42X75RCK40-45X75RCK40-48X80
RCK40-50X80RCK40-55X85RCK40-60X90RCK40-65X95RCK40-70X110
RCK40-75X115RCK40-80X120RCK40-85X125RCK40-90X130RCK40-95X135
RCK40-100X145RCK40-110X155RCK40-120X165RCK40-130X180RCK40-140X190
RCK40-150X200RCK40-160X210RCK40-170X225RCK40-180X235RCK40-190X250
RCK40-200X260RCK40-220X285RCK40-240X305RCK40-260X325RCK40-280X355
Dimensions mm
d D L L1 H
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ExtractionScrewsShaft
PsN/mm2
HubPh
N/mm2
No.No. Assy
Type AAssy
Type C
SizeSize
Torque
Nm
Surface Press. Clamping Screws Min. Hub Dia* mm
Recommended tolerances for full torquetransmission are:-
Shaft h9Hub H9
As both cones are split larger tolerances,up to h11/H11 can be accommodated, butwith a reduction in torque capacity.Clamping surfaces to be finished to≤ 15 µm.
If two or more elements are used in seriesthe resultant torque will be proportionallyincreased. However the minimum hub dia.must be increased to accommodate theextra stress.
X = Distance required to removescrews, additional clearance for alankey may be required.
AssyType B
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
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5 F
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*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
16181920
242528
303538
404245
485055
607080
15
Clamping Elements Type RCK 45
These clamping elements provide good torque transmission from a compact, low cost assembly. These units must always be installed inside the hub, and will then provide a reasonable level of concentricity.A small axial movement of the hub occurs during clamping.
Dimensions
Part No. Dimensions mm
d D L L1 H X
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ExtractionScrewsShaft
PsN/mm2
HubPh
N/mm2
No.No. Assy
Type AAssy
Type BAssy
Type C
SizeSize
Torque
Nm
Surface Press. Clamping Screws Min. Hub Dia* mm
Recommended tolerances for full torquetransmission are:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
X = Distance required to removescrews, additional clearance for alankey may be required.
RCK45-16X32RCK45-18X40RCK45-19X41RCK45-20X42
RCK45-24X46RCK45-25X47RCK45-28X50
RCK45-30X52RCK45-35X57RCK45-38X60
RCK45-40X62RCK45-42X70RCK45-45X73
RCK45-48X76RCK45-50X78RCK45-55X83
RCK45-60X88RCK45-70X105RCK45-80X115
32404142
464750
525760
627073
767883
88105115
11121212
121212
121515
151818
181818
182222
222424.524.5
24.524.524.5
24.52828
283636
363636
364545
12151515
151515
151515
152222
222222
222525
80180210240
290330370
430610680
78014801500
155016502000
235039004800
10202224
242626
293536
397067
656673
78111120
260260260250
250230220
210170170
170190210
210190190
190180170
120120120120
120120120
120100100
100110130
130120120
120120120
6666
688
81212
121212
121216
161216
M4M6M6M6
M6M6M6
M6M6M6
M6M8M8
M8M8M8
M8M10M10
5161616
161616
161616
164141
414141
417070
M4M6M8M8
M8M8M8
M8M8M8
M8M10M10
M10M10M10
M10M12M12
2222
222
233
333
334
434
0.150.180.200.20
0.230.240.24
0.270.280.30
0.310.500.53
0.590.620.64
0.691.251.40
47596162
687074
777983
86100112
117116123
131156171
44555657
636468
717477
8093
102
106106113
120143157
40505253
585963
656973
758694
9798
104
111132145
ØD
Ød
H
L
L1
X
171818.518.5
18.518.518.5
18.52222
222828
282828
283535
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
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5 F
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CD Contents Catalogue Selection INDEX
Clamping Elements Type RCK 11
16
These shaft clamping elements provide maximum torque transmission froma single unit, but, due to their large clamping surfaces clamping pressuresare kept to reasonable levels. The design enables automatic centringbetween shaft and hub, and axial positioning of the hub does not changeduring clamping. Suitable for applications with high bending loads.
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
Dimensions
Part No.
RCK11-25X55RCK11-28X55RCK11-30X55RCK11-35X60RCK11-38X75
RCK11-40X75RCK11-42X75RCK11-45X75RCK11-48X80RCK11-50X80
RCK11-55X85RCK11-60X90RCK11-65X95RCK11-70X110RCK11-75X115
RCK11-80X120RCK11-85X125RCK11-90X130RCK11-95X135RCK11-100X145
RCK11-110X155RCK11-120X165RCK11-130X180RCK11-140X190
RCK11-150X200RCK11-160X210RCK11-170X225RCK11-180X235
RCK11-190X250RCK11-200X260RCK11-220X285RCK11-240X305RCK11-260X325RCK11-280X355RCK11-300X375
2528303538
4042454850
5560657075
80859095
100
110120130140
150160170180
190200220240260280300
5555556075
7575758080
859095
110115
120125130135145
155165180190
200210225235
250260285305325355375
4646466062
6262626272
7272728888
88888888
112
112112130130
130130164164
164164164164164197197
3232324444
4444444456
5656567070
7070707090
9090
104104
104104134134
134134134134134165165
4040405454
5454545464
6464647878
78787878
100
100100116116
116116148148
148148148148148177177
3535354550
5050505050
5050506060
6060606080
80809090
9090
110110
110110110110110130130
784882931
12742696
28432981319638734069
505060806619
1127712062
1421915102174551833825791
31184396185050363470
7279082890
106000120900
131250143220177560213850245250353160419860
63636273
142
142142142161163
184203204322322
355355388386516
567660777907
971103612471343
1382143216141782188725232799
291259243161289
276262246203196
201198183218218
210210203203196
194207188204
204204178180
182173184180174181188
99999985
113
113113113
9696
101103
98111111
112112112112104
107117109121
124125110112
113110112116114115120
66677
77788
910101010
1112121211
12141214
15161415
16161820211820
M6M6M6M6M8
M8M8M8M8M8
M8M8M8
M10M10
M10M10M10M10M12
M12M12M14M14
M14M14M16M16
M16M16M16M16M16M20M20
M6M6M6M6M8
M8M8M8M8M8
M8M8M8M10M10
M10M10M10M10M12
M12M12M14M14
M14M14M16M16
M16M16M16M16M16M20M20
33333
33333
34444
45554
5557
6767
7789
1089
0.390.370.350.621.02
0.960.910.891.101.30
1.401.501.603.003.20
3.503.703.904.106.00
7.007.80
10.0011.00
12.0013.0018.0020.00
22.0024.0027.0030.0033.0048.0052.00
76767679
108
108108108109109
118126130158165
173180187195203
219242257283
301317322339
362372411446472517556
71717174
100
100100100102102
110117122146153
160167173180189
204223238260
276290298313
334345380411436477511
6666667093
9393939696
103109114136142
149155161167177
190206221239
253267277291
310321353380404442471
1717171741
4141414141
4141418383
83838383
145
145145230230
230230355355
355355355355355690690
Dimensions mm
d D L L1 L2 X
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
ExtractionScrewsShaft
PsN/mm2
HubPh
N/mm2
No.No. Assy
Type AAssy
Type BAssy
Type C
SizeSize
Torque
Nm
Surface Press. Clamping Screws Min. Hub Dia* mm
Recommended tolerances for fulltorque transmission both shaft andhub should be within the followingtolerances:-
Shaft h8Hub H8
Clamping surfaces to be finished to≤ 15 µm.
These units ideal for mounting ofwheels and belt conveyor pulleys.
X = Distance required to removescrews, additional clearance for alankey may be required.
CROSS+MORSE
Power Transmission Solutions
NEXTBACKINDEXShaft Clamping Elements :
Te
l +
44
1
21
3
60
0
15
5 F
ax
+
44
1
21
3
25
1
07
9 E
ma
il s
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CD Contents Catalogue Selection INDEX
RCK50-6X9RCK50-7X10RCK50-8X11RCK50-9X12
RCK50-10X13RCK50-12X15RCK50-13X16RCK50-14X18
RCK50-15X19RCK50-16X20RCK50-17X21RCK50-18X22
RCK50-19X24RCK50-20X25RCK50-22X26RCK50-24X28
RCK50-25X30RCK50-28X32RCK50-30X35RCK50-32X36
RCK50-35X40RCK50-36X42RCK50-38X44RCK50-40X45
RCK50-42X48RCK50-45X52RCK50-48X55RCK50-50X57
RCK50-55X62RCK50-56X24RCK50-60X68RCK50-63X71
RCK50-65X73RCK50-70X79RCK50-71X80RCK50-75X84RCK50-80X91
6789
10121314
15161718
19202224
25283032
35363840
42454850
55566063
6570717580
9101112
13151618
19202122
24252628
30323536
40424445
48525557
62646871
7379808491
4.54.54.54.5
4.54.54.56.3
6.36.36.36.3
6.36.36.36.3
6.36.36.36.3
7778
8101010
10121212
1214141417
3.73.73.73.7
3.73.73.75.3
5.35.35.35.3
5.35.35.35.3
5.35.35.35.3
6.06.06.06.6
6.68.68.68.6
8.610.410.410.4
10.412.212.212.214.8
2.43.04.77.9
9.511.413.122.3
24.327.329.832.4
49.053.066.073.0
72.086.091.0
131.0
171.0169.0181.0231.0
235.0390.0572.0602.0
670.0790.0860.0945.0
10001300134015002100
0.80.91.21.8
1.91.92.03.2
3.23.43.53.6
5.25.36.06.1
5.86.16.18.2
9.89.49.5
11.6
11.219.023.824.1
24.428.228.730.0
30.837.137.740.052.5
115105120140
135115110115
110105105100
140135135130
115115100130
125115110115
110116155150
140130125125
125125125125125
757090
105
105909090
85858580
110105115110
95100
85115
110100
95105
95105135130
125115110110
110110110110110
1.21.41.51.7
1.82.22.34.9
5.35.55.86.1
7.88.27.38.0
10.19.2
12.010.0
17.020.021.023.0
28.042.045.047.0
50.067.072.076.0
78110114118187
11.512.514.716.9
18.320.121.424.1
25.026.327.628.5
34.435.237.940.1
40.844.346.052.5
57.358.159.863.3
65.273.286.387.8
93.793.397.4
101.6
104.5113.1114.5120.2130.3
10.912.013.915.8
17.118.920.222.7
23.624.926.127.1
31.932.835.037.2
38.341.443.548.4
53.154.356.158.9
61.268.178.279.9
85.786.190.294.2
96.9104.8106.1111.4120.7
3.83.95.3
15.6
15.615.615.625.4
25.425.425.425.4
36.036.036.036.0
36.036.036.045.0
54.054.054.066.0
66.0110.0132.0132.0
132.0158.0158.0160.0
160200200220300
Clamping Elements Type RCK 50
These shaft clamping elements consist of just two conical rings whichrequire the minimum of radial space, so providing compact assemblies, andenabling use within small hub diameters. The design offers the maximumversatility of design, but does require the customer to provide their ownthrust ring assembly. Whilst only providing low torque transmission perunit they can be combined (up to 4 units) to increase torque capacity. Whenfully clamped these units provide excellent gastight sealing. Many designsof thrust rings are possible and sketches to the left are two typical designs.These units do not self centre, so require external means of centring thehub.
Dimensions
Part No. †
10.411.513.114.7
15.917.819.021.4
22.423.524.725.6
29.630.632.434.6
36.038.741.244.9
49.450.852.755.0
57.563.571.373.1
78.879.783.987.6
90.097.498.7
103.6112.2
Dimensions mm
d D L L1
TorqueCap.
MNm
AxialForce
FkN
Axial Forcenecessaryto clamp
kN
Approx.Weight
gms
ShaftPs
N/mm2
HubPh
N/mm2Assy
Type AAssy
Type BAssy
Type C
Surface Pressure Min. Hub Dia* mm
*Minimum outside diameter of hubs manufactured in medium carbon steels with yield strength ≥ 320 N/mm2.
For hub types, and other materials, refer to page 3.For assembly and disassembly instructions refer to page 20.
† Clamping Rings for shafts diameters up to 150mm available to order.
Recommended tolerances for full torque transmission are:-
Up to 38m shaft Ø:- Shaft h6Hub H7
40mm and above shaft Ø:- Shaft h8Hub H8
Clamping surfaces to be finished to ≤ 15 µm.
Factor for combining elements in one assembly.
Number of Elements Torque Capacity2 1.55M Nm3 1.86M Nm4 2.03M Nm
17
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CD Contents Catalogue Selection INDEX
19202124252628303132353638404242454848505250556055606560657065707570758075808585909595
100105105110115115120125125130135135140145
RCK19-24X50
RCK19-30X60
RCK19-36X72
RCK19-44X80
RCK19-50X90
RCK19-55X100
RCK19-62X110
RCK19-68X115
RCK19-75X138
RCK19-80X145
RCK19-90X155
RCK19-100X170
RCK19-110X185
RCK19-125X215
RCK19-140X230
RCK19-155X265
RCK19-165X290
RCK19-175X300
RCK19-185X330
† X = min. clearance required to totally remove bolt. Units for shaft diameters up to 240mm available to order.For assembly and disassembly instructions refer to page 20.* Max Clearance = dw-di. 18
Clamping Elements Type RCK 19
Type RCK 19 are normally referred to as Clamping Discs, used toclamp externally onto thin walled hubs to lock them to the shaft. Thedesign permits the use of large diameter shafts with small hub sizes,and is popular for connection of large sprocket and pulleys. Thedesign provides for optimum concentricity, with high torquetransmission. A number of shaft diameters can be accommodated by
one size of unit, max., min. and anintermediate being shown in table.
Dimensions
Part No.
0.017
0.017
0.032
0.032
0.032
0.032
0.048
0.048
0.048
0.048
0.048
0.048
0.048
0.069
0.069
0.069
0.069
0.079
0.090
24
30
36
44
50
55
62
68
75
80
90
100
110
125
140
155
165
175
185
50
60
72
80
90
100
110
115
138
145
155
170
185
215
230
265
290
300
330
14
16
18
20
22
23
23
23
25
25
30
34
39
42
46
50
56
56
71
19.5
21.5
23.5
25.5
27.5
30.5
30.5
30.5
32.5
32.5
39.0
44.0
50.0
54.0
60.5
64.5
71.0
71.0
86.0
23.0
25.0
27.5
29.5
31.5
34.5
34.5
34.5
37.8
37.8
44.3
49.3
56.4
60.4
68.0
72.0
81.0
81.0
96.0
18
18
20
20
25
25
25
25
30
30
35
35
40
40
45
50
55
55
70
170210250300340380440570630620780860940
1160138011601520188018502200240020002500315025003200395032003900460047506000725069007500900072009000
10800110001300015000151001760020100220002500028000310003500039000360004100045000520005700062000
1821242527293138413945484958665568787788928091
10591
107122107120131146171193197200225192225254259289316318352383419455487539583624576631667770814855
286
233
307
317
289
252
279
255
273
256
271
258
244
266
264
263
277
6
7
5
7
8
8
10
10
7
7
10
12
9
12
10
12
8
M5
M5
M6
M6
M6
M6
M6
M6
M8
M8
M8
M8
M10
M10
M12
M12
M16
4
4
12
12
12
12
12
12
30
30
30
30
59
59
100
100
250
0.2
0.3
0.4
0.6
0.8
1.1
1.3
1.4
1.7
1.9
3.3
4.7
5.9
8.5
9.0
11.0
15.0
Dimensions mm
dw Max*Clearance d D LL1 L2 X †
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
kg
No. Size Torque
Nm
SurfacePressureShaft PsN/mm2
Clamping Screws
Recommended tolerances
Hub Outside Ø:- h8*Hub Bore:- H6*Shaft Ø:- j6 below 30mm
h6 30mm plus
*Clearance between hub bore and shaftmust not exceed figures in table.
261
237
8
10
M16
M16
250
250
15.8
21.0
CROSS+MORSE
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CD Contents Catalogue Selection INDEX
Clamping Elements Type RCK 95
19
Similar in design to the Clamping Discs, type RCK 19, but with the discsspaced further apart to enable connection to more than one shaft, enablinguse as a rigid shaft coupling. These units can be used to connect twoidentical diameter shafts which are perfectly aligned, or to produce a longershaft which is only mounted in two bearings. Torque capacities are suitablefor standard shafting. These units provide zero backlash shaft connectionwith advantage of fast assembly and disassembly. The design makes theunit equally suitable for horizontal and vertical shafts, capable ofwithstanding high axial loads.
For assembly and disassembly instructions refer to page 20.
Dimensions
Part No.
RCK95-17X50RCK95-18X50RCK95-19X50RCK95-20X50RCK95-24X55
RCK95-25X55RCK95-28X60RCK95-30X60RCK95-32X63RCK95-35X75
RCK95-38X75RCK95-40X75RCK95-42X78RCK95-45X85RCK95-48X90
RCK95-50X90RCK95-55X94RCK95-60X100RCK95-65X105RCK95-70X115
RCK95-75X125RCK95-80X125
1718192024
2528303235
3840424548
5055606570
7580
5050505055
5560606375
7575788590
9094
100105115
125125
5656565666
6666666683
8383839393
93939393
110
110110
5050505060
6060606075
7575758585
85858585
100
100100
200220230240290
450510550580760
850900930
15201600
16902430268029003720
39704280
2424242424
3636373643
4545446867
68888989
106
106107
110110110105120
110110105
90105
1009590
110100
95110
959090
8070
44444
66664
44466
68886
66
M6M6M6M6M6
M6M6M6M6M8
M8M8M8M8M8
M8M8M8M8M10
M10M10
1717171717
1717171741
4141414141
4141414183
8383
0.460.450.440.440.65
0.630.750.710.731.33
1.201.191.281.721.90
1.882.002.173.955.25
5.465.30
Dimensions mm
d D L L1
TorqueCap.
MNm
AxialForce
FkN
ApproxWeight
gms
ShaftPs
N/mm2
No. Size Torque
Nm
Surface Pressure Clamping Screws
Recommended tolerances for full torque transmission shaftsshould be to h8 tolerance with surface finish ≤ 15 µm.
Warning
The units are not flexiblecouplings, and must never beused as such. Any radial loadson shafts must be adequatelysupported by bearingassemblies.
CROSS+MORSE
Power Transmission Solutions
BACKINDEXShaft Clamping Elements :
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CD Contents Catalogue Selection INDEX
20
Installation Instructions
Installation and Removal of Cross Shaft Clamping Elements
Types RCK 11, 13, 15, 16, 61,70,71,80 and ACE81Installation:-1. Slacken all screws in element by approx. two turns.2. Remove two or three screws completely, and fit into equally spaced
sempty release thread holes. Tighten these screws lightly so as to ensure inner and outer cones are kept apart.
3. Clean all contact surfaces including screw threads, and lightly oil with clean thin unmodified oil.*
4. Insert clamping element into hub and push onto shaft and locate.5. Remove screws from release holes and replace in original holes.6. Tighten all screws finger tight and align hub.7. Tighten all screws evenly in a diametrically opposite sequence
(see typical progression in sketch) using a torque wrench, initially at halfscrew catalogue torque, then 3/4 value, and finally full torque. Check all screws at full torque until no further rotation of screws occurs.
Disassembly:-1. Slacken all clamping screws by couple of turns, completely removing as many as release holes in element.2. Fit screws in release holes and tighten in sequence as clamping to force inner and outer cones apart.3. Carefully remove hub and clamping element from shaft, and take element from hub.
Types RCK 40 and 45Installation:-1. Clean all contact surfaces, and lightly oil with clean thin unmodified mineral oil.*2. Fit hub to shaft and insert clamping element.3. Tighten all screws finger tight and align hub.4. Tighten all screws evenly in a diametrically opposite sequence (see typical progression in sketch) using a torque wrench,
initially at half catalogue torque for screw, then at 3/4 value, and finally at full torque. Check all screws are at full torqueuntil no further rotation of screws can be achieved.
Disassembly:-1. Release clamping screws in same sequence as for clamping. Element should now self release. If required lightly
tap clamping screws to aid release. If still not released remove light coloured screws completely and replace with next larger metric size and tighten these screws to jack the cones apart.
Type RCK 50Installation procedure depends detailed design, but following is typical:-1. Clean all contact surfaces, and lightly oil with clean thin unmodified mineral oil.*2. Push hub onto shaft and insert spacer sleeves and clamping ring sets according to application drawing.3. Insert distance ring if fitted and attach clamping flange lightly tightening screws. Align hub.4. Tighten all screws in a diametrically opposite sequence, in several stages up to max. torque for screw size.
Disassembly:-The taper of the individual rings is such that the assembly should automatically release when the locking screwsare slackened. If not light tapping on the hub circumference should release them.
Types CCE 54 and 55Installation:-1. Clean all contact surfaces, and lightly oil with clean unmodified mineral oil.*2. Turn locking nut anticlockwise until outer sleeve loose on inner cone.3. Position hub on shaft and insert clamping element.4. Align hub and tighten locking nut to catalogue torque value, and bend suitable tab on lock washer to prevent
further rotation.
Disassembly:-1. Release bent washertab and undo nut until sleeve loose.2. Remove clamping element, If tight give end of tab gentle tap to release.
Types RCK 19 and 95Installation:-1. Clean all contact surfaces, and lightly oil with clean thin unmodified mineral oil.*2. Slacken all clamping bolts by a couple of turns.3. (RCK 19 only) Fit clamping element on outer diameter of hub, and slide assembly onto shaft and position.
(RCK 95 only) Fit shaft ends equally into clamping element ensuring small clearance between shafts.4. Tighten all bolts in a diametrically opposite sequence, in several stages up to max. specified torque.
Disassembly:-Slacken all bolts and gently tap on bolts to release clamping element.
*WARNING: Never use, lubricant containing Molydenum or E.P. additives, synthetic lubricant, or grease.
19
3
7
52
10
4
8
6
END