50BS20 Sprocket With 1-1/2" Finished Bore 50B11 Sprockets ANSI 40 hollow pin chain

ANSI 40 hollow pin chain is a unique 1/2" pitch roller chain with a cylindrical open-bearing surface area where the pin would typically be

The standard ABEC 1 precision standard that almost all ball bearings are made to today has a deviation of -10 micrometers

This 100BS19 sprocket features a 2-7/16" finished bore with a key-way and two set screws

It features 13 teeth and is manufactured to accept a X-Type weld on hub

50BS20 Sprocket With 1-1/2" Finished Bore 50B11 Sprockets ANSI 40 hollow pin chainThis 50BS20 sprocket featured a 1 1 2" 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 #50 roller chain and sprocket thus preventing premature wear