40BS49 High-Performance Sprocket 1-1/4" 16B-4 Metric Roller Chain What sets this 5314 bearing

What sets this 5314 bearing apart from others is the ABEC 3 precision standard that this bearing is made to

Dimension (A): 5

Our UEP207-20 bearings are engineered and manufactured to provide long-lasting performance and durability with added features such as a steel retainer

Dimension (d0): 51

This 6303-2RS ball bearing is a high-precision premium quality sealed deep groove 17x47x14 ball bearing made to ABEC 3 precision standards from AXIS

40BS49 High-Performance Sprocket 1-1/4" 16B-4 Metric Roller Chain What sets this 5314 bearingThis 40BS49 sprocket features a 1 1 4" 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