The B-88 (or B88) drawn cup needle roller bearing has an inside diameter of 1/2 inch (12.70 mm), an outside diameter of 11/16 inch (17.46 mm), and a width/thickness of 1/2 inch (12.70 mm). Size Specifications
- Inside Diameter (Bore):
0.500 in / 12.70 mm - Outside Diameter:
0.6875 in (11/16") / 17.46 mm - Width (C):
0.500 in / 12.70 mm
- Type: Drawn cup open-end full complement needle roller bearing
- Measurement System: Imperial
- Design: No inner ring (requires a hardened and machined shaft or separate inner ring)