6905 Ball Bearing | 6905 Bearing - 25x42x9 Taper Lock Bushings If the chain gauge falls

If the chain gauge falls through and goes to the next size up it's time to replace your roller chain

Limiting Speed (Grease): 3700 RPM

6218-ZZ ball bearings are found in a wide range of industrial and automation applications

Something else that is notable about this 160B25 sprocket is that it fully meets all ANSI Standards

6905 Ball Bearing | 6905 Bearing - 25x42x9 Taper Lock Bushings If the chain gauge fallsThis 6905 ball bearing is a high precision premium quality deep groove 25x42x9 ball bearing made to ABEC 3 precision standards from AXIS. What sets this 6905 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