6303 Ball Bearing | 6303 Bearing - 17x47x14 08B B-Hub Sprockets Additionally this bushing features a

Additionally this bushing features a 45 millimeter bore with a standard keyway

Something that is notable about this 10B20 sprocket is that it fully meets all ISO Standards

Length Thru Bore: 1-1/2"

This 200C40 sprocket is high quality

6303 Ball Bearing | 6303 Bearing - 17x47x14 08B B-Hub Sprockets Additionally this bushing features aThis 6303 ball bearing is a high precision premium quality deep groove 17x47x14 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6303 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 ABEC 1