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Arab Republic of Egypt

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ES 4981 (2008) (Arabic): Rollingbearings – needle rollers– dimensionsand tolerances

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ISO 286-2:1988, ISO system of limits and fits �– Part 2 : Tables standard tolerance grades and limit deviations for holes and shafts .

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.......................................................................nominal diameter of a needle roller

...............................................................................single diameter of a needle roller

....mean diameter of a needle roller in a single plane

.............................................................................nominal length of a needle roller

........................................................................................single length of a needle roller

..............................................................................................................single chamfer dimension

...........................................smallest permissible single chamfer dimension

..................................................largest permissible single chamfer dimension

.........................................................................................................................circularity deviation

........................................................................................................needle roller gauge

...............................................................................................................................gauge lot

ISO 3096 / 1996 Rolling bearings �– Needle rollers �– Dimensions and tolerances.

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ES: 4981 / 2008

ISO: 3096 / 1996

ROLLING BEARINGS �– NEEDLE ROLLERS�– DIMENSIONS AND TOLERANCES

ICS :21.100.20

Arab Republic of Egypt Egyptian Organization for Standardization and Quality