- Precision roller bearings
- Contains 2 bearings, 2 bearing races, 1 seal and a cotter pin and dust cap
- 81111 contains 1" bearings
- 81116 contains 1 1/16" bearings
- 81126 contains 1 1/4" bearings
- 81128 contains 1 3/4" x 1 1/4" bearings
- 81141 contains 1 3/8" x 1 1/16" bearings
