50BS39 Sprocket With 1-1/8" Finished Bore 41B21 Sprockets Dimension (S): 1

Dimension (S): 1

Sprocket Size: 35BTB19

Bearing Insert: UE 206-17

Common Interchanges: 40BS96H

What sets this 6204-ZZ bearing apart from others is the ABEC 3 precision standard that this bearing is made to

50BS39 Sprocket With 1-1/8" Finished Bore 41B21 Sprockets Dimension (S): 1This 50BS39 sprocket features a 1 1 8" finished bore including a key way and two setscrews. It is a durable, high quality, and precision sprocket that fully meets all ANSI Standards which insures proper contact between the #50 roller chain and sprocket thus preventing premature wear or breakage. This sprocket is also black oxide coated which increases resistance to the environment and will prevent early rust build up. We also offer stock bore