6311-ZZ Ball Bearing | 6311-ZZ Bearing - 55x120x29 6000 Series Deep Groove Ball Bearings This kit includes all the

This kit includes all the required hardware

and precision sprocket with 8 teeth

What sets this 6306-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

10B13 sprockets with a stock bore comes with the standard 12 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

Part Number: #200U30

6311-ZZ Ball Bearing | 6311-ZZ Bearing - 55x120x29 6000 Series Deep Groove Ball Bearings This kit includes all theThis 6311 ZZ ball bearing is a high precision premium quality deep groove shielded 55x120x29 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6311 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