6009-2RS Ball Bearing | 6009-2RS Bearing - 45x75x16 10B-4 Metric Roller Chain This 120BS23 sprocket features a

This 120BS23 sprocket features a 2" finished bore with a key-way and two set screws

Sprocket Size: 140B25

Besides 1VP56 pulleys with a 5/8" bore we also stock a full line of high-quality performance 3L

Dimension (IF): 23

6009-2RS Ball Bearing | 6009-2RS Bearing - 45x75x16 10B-4 Metric Roller Chain This 120BS23 sprocket features aThis 6009 2RS ball bearing is a high precision premium quality sealed deep groove 45x75x16 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6009 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 itself has a micron deviation from a nominal of 20. 000mm of 8 micrometers. The