U0 Split Taper Bushing X 4-3/4" Bore filter_H40BS50 The thicker side plates are

The thicker side plates are what separates a 50H heavy roller chain from a standard 50 chain

Dimension (f): 2-19/32"

our UCFCSX13-40 bearing has added features that improve the overall life and performance of the unit

This 50SDS36 sprocket is a durable

L110 Coupling Half 5/8" Dimensions

U0 Split Taper Bushing X 4-3/4" Bore filter_H40BS50 The thicker side plates areThis U0 Bushing with 4 3 4" bore is a high quality precision product that is built for durability and strength. U0 bushings are used in an extensively wide range of applications, including; sprockets, shaves, pulleys, gears, and much more, we also offer all of these products. What sets this bushing apart is the high quality steel construction along with precise manufacturing and high quality control; this ensures that you always get a premium quality