R6-ZZ Ball Bearing | R6-ZZ Bearing - 3/8"x7/8"x0.2812" #140 E-Type Sprockets This 120BS21 sprocket features a

This 120BS21 sprocket features a 1-1/4" finished bore with a key-way and two set screws

This 140BTB12 sprocket is a durable

Dimension (F): 18

6314-ZZ Ball Bearing Dimensions

160J30 Sprocket Dimensions

R6-ZZ Ball Bearing | R6-ZZ Bearing - 3/8"x7/8"x0.2812" #140 E-Type Sprockets This 120BS21 sprocket features aThis R6 ZZ ball bearing is a high precision premium quality shielded deep groove 3 8"x7 8"x0. 2812" ball bearing made to ABEC 3 precision standards from AXIS. What sets this R6 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 has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The