Premium 60R70 Sprocket 36-Tooth Sprocket This 40BS22 sprocket featured a

This 40BS22 sprocket featured a 1-1/2" finished bore with a key-way and two set screws

This 6914-2RS ball bearing is a high-precision premium quality sealed deep groove 70x100x16 ball bearing made to ABEC 3 precision standards from AXIS

For more information on a triple groove 3TB46 pulley

Bearing Size: 6907-ZZ

Dimension (X): 13/16"

Premium 60R70 Sprocket 36-Tooth Sprocket This 40BS22 sprocket featured aThis 60R70 sprocket is a durable, high quality, and precision sprocket that is manufactured to accept a R1 bushing. Something that is notable about this sprocket is that it fully meets all ANSI Standards, which insures proper contact between the #60 roller chain and sprocket, thus preventing premature wear or breakage and this means that it will directly interchange with most other manufactures sprockets. This sprocket is also black oxide coated which