Description & Specifications
7/8" finished bore hubs are bored-to-size and include a keyway & 2 setscrews. All X series hubs are manufactured from 1020CD carbon steel and finished with black oxide for corrosion resistance. Our 7/8" weld on hubs is compatible any of our X series weld on sprockets.

7/8" Finished Bore Hub Dimensions
- Hub Series:X Series
- Bore:7/8''
- Outside Diameter (de):2.500''
- Length Thru Bore (LTB):1.437"
- Keyway Size:3/16'' X 3/32''
- Material:1020CD
- No. Of Setscrews:2
- Type Of Finish:Black Oxide
- Step Diameter (dm):2.000''
- Step Width (A1):0.4375''
Installation
Welding Instructions
It's recommended to use Low Hydrogen Electrodes for welding weld on sprockets & hubs. Below is a diagram showing the location to weld on small vs large diameter sprockets.
