Product Details

Specifications

needle rollers

C&H can supply high precision needle rollers with different end face and high precision crowning needle rollers with end face flat and profiled end ( outside surface has a curved transition to the end faces). The longlife design can give a longer service time and lower noise though reducing friction and vibration.

Type of Needle Rollers - flat end, round end and tip end

Material : GCr15 ( 100Cr6, SAE 52100) , GCr15SiMn

Grade: G5, G3, G2

Hardness: GCr15 - HRC 61 ~ 65 , GCr15SiMn – HRC 60 ~ 64

Roughness: min Ra≤0.20 . max Ra≤0.40

Dimensions can be supplied: min φ0.8mm~φ3mm , max φ6mm~φ80mm

Tolerance of Dimensions and Geometrical ( μm )

Grade	Batch Diameter Variation VDWL max	The Gauge of Needle Roller Dwmp	Roundness Deviation max	Diameter Variation VDwp max
G2	2	0/-2,-1/-3,-2/-4	0.8	1
		-3/-5,-4/6,-5/-7
		-6/-8,-7/-9,-8/-10
G3	3	0/-3,-1.5/-4.5,-3/6	1.2	1.5
		-4.5-7.5,-6/-9,-7/-10
G5	5	0/-5,-3/-8,-5/-10	2	2

Dimension(Dw x Lw) : 1x5.8mm ~ 6 x 37mm