6903-ZZ Ball Bearing | 6903-ZZ Bearing - 17x30x7 Coupling Roller Chain Pitch Diameter (B/ 5L): 15

Pitch Diameter (B/ 5L): 15

the 5314-ZZ bearing features raceways that are precision honed to a superb finish

100B39 sprockets with a stock bore come with the standard 1-1/4" inside diameter hole with no keyway or setscrews and can be easily machine bored to custom sizes

We also offer 160C60 sprockets with finished bore configurations right off the shelf from stock

5521000-ZZ Bearing Dimensions

6903-ZZ Ball Bearing | 6903-ZZ Bearing - 17x30x7 Coupling Roller Chain Pitch Diameter (B/ 5L): 15This 6903 ZZ ball bearing is a high precision premium quality deep groove shielded 17x30x7 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6903 ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to, the grade 10 balls used, and the superb electric motor quality rating (EMQ). ABEC 3 means that the bearing itself has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The