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Needle Bearings
NAD
ELLA
Nad
ella
ger
WL 2008 E
WL
2008
E
2008
Nadella S.p.a.
� NEEDLE BEARINGS2008
© NADELLA 2008
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PRINCIPAL UNITS
NEEDLE BUSHES
BEARINGS WITH CAGEGUIDED NEEDLES
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7
TEC
HN
ICA
LIN
FOR
MAT
ION
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Coeffizient �for formula 4) page 65Coeffizient K for formula 1) page 65
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TAB
LES
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SYMBOLS
A PageAIG Needle. 63
AR Roller thrust bearing - one retained plate. 97ARNB Precision combined bearing with adjustable preload using roller thrust bearings. 129ARNBT Combined bearing ARNB with screw locations. 129ARZ Roller thrust bearing - two retained plates. 97
AX Needle thrust bearing - one retained plate. 97AXJ Special needle thrust bearing for high speed. 98AXNA Precision combined bearing with adjustable preload using needle thrust bearings 129
AXNAT Combined bearing AXNA with screw locations. 129AXNB Precision combined bearing with adjustable preload using needle thrust bearings. 129AXNBT Combined bearing AXNB with screw locations. 129AXZ Needle thrust bearing -two retained plates. 97
BB Needle cage, one-piece with one row of needles. -BB Needle cage, one-piece with two rows of needles. -
...B6 Convex outer diameter for RNA 11 000 series cam followers. 71BIC Cylindrical inner ring with lubrication holes for full complement needle bearings 149
type RNA.BICG Wide cylindrical inner ring with lubrication holes for full complement needle 149
bearings type RNA 1000, 2000 and 3000 series.BIG-BIK Wide cylindrical inner ring without lubrication hole for full complement needle 149
bearings type RNA 1000, 2000 and 3000 series.BIP Wide cylindrical inner ring without lubrication hole for full complement needle 149
bearings type RNA 1000 series....BIR Full complement needle bearing type NA with special convex inner ring. 52
BK Caged needle bush, closed-end, according to ISO tolerances. 25...BP Needle roller with flat ends. 63...BR Needle roller with round ends. 63
C… C2, C3, C4, C5 Radial play groups for complete bearings with inner rings. 38
CN, CNS Needle bush closed-end with full complement grease retained needles. 25CP Plate for needle thrust bearing, roller thrust bearing (light series) and combined -
bearing.CPN Plate, machine-tool quality. -CPR Plate for roller thrust bearing (heavy series) and 812 series. -CPT Overthick thrust plate. -
DDB Caged needle bush, open. 25DBF Caged needle bush, closed-end. 25DBFH Needle bush DBF with lubrication hole. 25DBH Needle bush DB with lubrication hole. 25
… DELTA High precision needle roller bearing with adjustable play. -… DER Needle roller bearing with convex outer ring. 51
DG, DGX® Deltaflex bearing for steering column. -
DL Full complement needle bush, open. 25DLF Full complement needle bush, closed-end. 25DLFH Needle bush DLF with lubrication hole. 25DLH Needle bush DL with lubrication hole. 25
E… E Seal incorporated one side. 25
... EE Seals incorporated on two sides 71... EEM Metal seals incorporated on two sides 71
ET Sealing ring. 143
SY
MB
OLS
156
F PageFG Cam follower with non-separable outer and inner rings. Convex outer ring. 71FGL Cam follower with non-separable outer and inner rings. Cylindrical outer ring. 71FGU ...FGUL Roller cam follower. 71
GGC Cam follower with stud. Convex outer ring. 71GCL Cam follower with stud. Cylindrical outer ring. 71GCR Eccentric cam follower with stud. Convex outer ring. 71
GCRL Eccentric cam follower with stud. Cylindrical outer ring. 71GCU-GCUL Roller cam follower. 71GCUR Eccentric roller cam follower with stud. Convex Outer Ring 71GCURL Eccentric roller cam follower with stud. Cylindrical Outer Ring 71
GN Grease nipple for cam follower with stud. 74
HHK Caged needle bush, open, according to ISO tolerances. 25Hm Nut for cam follower with stud. 74
... HT 1, 2, 3, 4 Stabilisation heat treatment for high temperature. 12
IIM Cylindrical inner ring. 145IMC Cylindrical inner ring with lubrication hole. 145
JJL Full complement needle bushes, open, inch dimensions. 25JLF Full complement needle bush, closed-end, inch dimensions. 25JLFH Needle bush JLF with lubrication hole. 25JLH Needle bush FL with lubrication hole. 25
MMB Needle cage two-piece with one row of needles. -MBB Needle cage two-piece with two rows of needles. -
NNA Full complement or caged needle bearing with inner ring. 51NAR Full complement self-aligning needle roller bearing, with inner ring. –NAW Full complement inverted bearing. -NB Caged needle bearing without inner ring. 37NBI Caged needle bearing with inner ring. 37
NE Special product, deep drawn raceway. –NG Special product, tooled race~ay. –NH Special product, both types raceway. –
OOB Plug for cam follower with stud. 74
P… P Needle bush DB, DL and derivatives, or inner rings 1M and IMC, according to ISO
tolerances. 25… P6, P5, P4 Precision tolerance codes for inner and outer rings. 38
PM Intermediate plate for needle or roller thrust bearing, light series. -PMH Intermediate plate with lubrication hole for needle or roller thrust bearing, -
light series.
157
R Page… R6 Convex inner ring raceway. 52
RAX 400 Combined bearing with needle thrust cage. 111RAX 500 Combined bearing with roller thrust cage. 111RAX 700® Combined bearing with thin outer ring, open. 111RAX 700® Combined bearing with thin outer ring, closed- end. 111
RAXN 400, 500 Combined bearing, machine-tool quality. 112RAXNPZ 400, 500 Combined bearing RAXN 400 or RAXN 500 with retained thrust plate. 112RAXNTZ 400 Combined bearing RAXN 400 with retained thrust plate. 112RAXPZ 400 Combined bearing RAX 400 with retained thrust plate. 112RAXTZ 400 Combined bearing RAX 400 with retained thrust plate. 123RAXZ 500 Combined bearing RAX 500 with retained thrust plate. 111
RNA Full complement or cages needle bearing without inner ring. 51RNAB Cam follower 11 000 series, outer diameter crowned greater than ...86. 71RNAL Cam follower 11 000 series, cylindrical outer ring. 71RNAR Full complement self-aligning needle roller bearing, without inner ring. -
RT Adjustment spring for Delta bearing. -
S(...s/Bi) Old symbol for full complement bearing without inner ring. Replaced by RNA. 51… SGT Needle bearing without lubrication groove and hole in outer ring. 51
SL Full complement needle bush, grease retained needles, open. 25
T… TA Radial play, precision applications. 38–53… TB Radial play, selected from lower half of standard tolerance. 38–53… TC Radial play, selected from upper half of standard tolerance. 38–53
… TS Special radial play for conditions of expansion. 55
Z… ZS Reduced radial play for special conditions. 38
Notice
Needle Bearings
NAD
ELLA
Nad
ella
ger
WL 2008 E
WL
2008
E
2008
Nadella S.p.a.