6203-ZZ Ball Bearing | 6203-ZZ Bearing - 17x40x12 76-Tooth Sprocket This 120R21 sprocket is a

This 120R21 sprocket is a durable

This 08B12 sprocket is a durable

06B35 sprockets with a stock bore comes with the standard 14 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

1B68SDS Sheave Dimensions

Outside Diameter: 22

6203-ZZ Ball Bearing | 6203-ZZ Bearing - 17x40x12 76-Tooth Sprocket This 120R21 sprocket is aThis 6203 ZZ ball bearing is a high precision premium quality deep groove shielded 17x40x12 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6203 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