R18 Ball Bearing | R18 Bearing - 1-1/8"x2-1/8"x0.375" Metric Roller Chain Sprockets Bearing Size: 6904-2RS

Bearing Size: 6904-2RS

Sheave Weight: 17 LBS

Sprocket Weight: 33

Pin Length (L): 7

140BTB26 Sprocket Dimensions

R18 Ball Bearing | R18 Bearing - 1-1/8"x2-1/8"x0.375" Metric Roller Chain Sprockets Bearing Size: 6904-2RSThis R18 ball bearing is a high precision premium quality deep groove 1 1 8"x2 1 8"x0. 375" ball bearing made to ABEC 3 precision standards from AXIS. What sets this R18 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 standard