40BS59 High-Performance Sprocket 1-1/2" 06B Chain Sprockets This 100BTB28 sprocket is a

This 100BTB28 sprocket is a durable

35BS28 3/4" Finished Bore Sprocket Dimensions:

40BB17H idler sprocket is categorized as a ball bearing idler sprocket due to the ball bearing inserted

While the phosphate coated and then painted finish adds corrosion resistance to the 23V315JA sheave

Bearing Size: 6304

40BS59 High-Performance Sprocket 1-1/2" 06B Chain Sprockets This 100BTB28 sprocket is aThis 40BS59 sprocket features a 1 1 2" 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 #40 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