| Item |
Description |
| Type |
Loose needle rollers |
Dimensions
Outside diameter, mm (in)
Overall length, mm (in) |
1.2 to 11 (.047 to .433)
4.5 to 100 (.17 to 4.0) |
Materials
Standard
Alternative |
SAE 52100 bearing quality chrome steel
Available on request (contact factory) |
Hardness
Standard
Alternative |
HRC 60 to 64
Hardness as low as HRC 45 available on request |
Surface
finish
Standard, mm (in)
Alternative |
OD ground and lapped to surface finish of 0.2µ m (8µ in) Ra maximum
Surface finish as low as 0.025µ m (1µ in) Ra available on request |
Tolerance
Outside diameter, mm (in)
Standard
Alternatives
Length, mm (in)
Standard
Alternatives |
+0.000 -0.005 (+0.000 -0.0002) G5
+0.000 -0.003 (+0.00000 -0.000120) G3
+0.000 -0.002 (+0.00000 -0.000080) G2+0.00
-0.500 (+0.000 -0.020)
+0.00 -0.300 (+0.000 -0.012)
+0.00 -0.250 (+0.000 -0.010)
+0.00 -0.100 (+0.000 -0.004)
Note: Closer tolerance length rollers available
primarily in end ground configurations. |
| Stock needle rollers available in many sizes.
Please consult factory. |
