R12-2RS Ball Bearing | R12-2RS Bearing - 3/4"x1-5/8"x0.4375" Metric Roller Chain Master Links 10B27 sprockets with a stock

10B27 sprockets with a stock bore comes with the standard 20 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes

The electric motor quality (EMQ) rating means that the bearing must operate at an extremely low noise level with minimal to no vibration

100BTB36 Sprocket Dimensions

This sprocket is also black oxide coated which increases resistance to the environment and will prevent early corrosion

R12-2RS Ball Bearing | R12-2RS Bearing - 3/4"x1-5/8"x0.4375" Metric Roller Chain Master Links 10B27 sprockets with a stockThis R12 2RS ball bearing is a high precision premium quality sealed deep groove 3 4"x1 5 8"x0. 4375" ball bearing made to ABEC 3 precision standards from AXIS. What sets this R12 2RS 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 has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The