40BS21 High-Performance Sprocket 1-3/8" 40B29 Sprockets It utilizes set-screws for locking

It utilizes set-screws for locking onto a 1-9/16" shaft and features a premium C3 precision insert bearing housed within a high-strength solid-base cast-iron housing

120BS26 1 1/4" Finished Bore Sprocket Dimensions

Part Number: D200B15

For more information on a two groove 2C300F sheave

This 5305-2RS Bearing is a high-precision premium double-sealed double-row angular contact ball bearing made to ABEC 3 precision standards from AXIS

40BS21 High-Performance Sprocket 1-3/8" 40B29 Sprockets It utilizes set-screws for lockingThis 40BS21 sprocket featured a 1 3 8" finished bore with a key way and two set screws. It is a durable, high quality, and precision sprocket with hardened teeth. Sprockets that have hardened teeth last longer and are much more durable than those that don't. Something else that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #40 roller chain and sprocket thus preventing premature wear