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âž” fig )and in the housing ( âž” fig )are given in Table . Snap rings may beused in less demanding applications, other-wise an intermediate ring, e.g. a pressedspring steel washer should be placed be-tween the snap ring and the assembly. Needle roller and cage assemblies Abutment dimensions

Table 4

Needle roller and cage assemblies must be axially guided. The lateral abutment surfaces should be fine turned and possibly polished; for high speed operation they should be hardened and ground. Interruptions in the surface should be avoided. Appropriate values for the abutment diameters on the shaft (

Abutment dimensions for needle roller and cage assembliesNeedle roller andShaftHousingcage assemblyabutmentabutment Inside diameter F
w d
a D
a overincl. mmmmmm

9 10 4

–25 E
w − 0,3F
w + 0,4 2565 E
w − 0,5F
w + 0,5 65– E
w − 1F
w + 1

Fig 9 Fig 10

UU

+0,2

UU

+0,2

d

a

E

w

D

a

F

w

38