Brand:rain
Model:2.5*9.8/2*13.8/2.5*11.8
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material:SAE52100
SIZE:6*7/6*8/3*5/5*5.5/6*9
Name:Needle Roller
Material standard: HCHC BEARING STEEL
Hardness standard: HRC58-65 25-35HRC
Grade:G1,G2,G3,G5
End surface shape: round, flat
Surface finishing: polish-grind,superfinish grinding
Tolerance grade | The maximum diameter vibration VDWL | Upper and lower vibration for preferential group average diameter Dwmp | The maximum roundness vibration | Length tolerance |
G2 | 2 | 0/-2, -1/-3, -2/-4, -3/-5, -4/-6, -5/-7, -6/-8, -7/-9, -8/-10 | 1 | h13 |
G3 | 3 | 0/-3, -1.5/-4.5, -3/-6, -4.5/-7.5, -6/-9, -7/-10 | 1.5 | |
G5 | 5 | 0/-5, -3/-8, -5/-10 | 2.5 |
