41BS80 High-Performance Sprocket 1-1/8" UCPX00 2-Bolt Set Screw Pillow Block Bearings What separates this 1TB250 pulley

What separates this 1TB250 pulley from the others is that it is made using a high grade-35 cast iron

Connecting Link Pin Length (A): 78

For more information on a double groove 2B5V70 sheave

What sets this R20 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

CSB206-18 bearing is a light-duty ball bearing insert made to C3 precision standards and utilizes set-screws to secure to a 1-1/8" shaft

41BS80 High-Performance Sprocket 1-1/8" UCPX00 2-Bolt Set Screw Pillow Block Bearings What separates this 1TB250 pulleyThis 41BS80 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 #41 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