- Bearings, bushings, and blocks (1)
- Bearings, plain (2)
- Railroad car journal bearings (1)
- Joints and couplings (3)
- Couplings, shaft: rigid, flexible, universal joint, etc. (4)
- Drives, chains, and sprockets (1)
- Sprockets (power transmission equipment) (4)
- Collars, shaft (power transmission equipment) (1)
- Pivots, power transmission (1)
- Pulleys, power transmission (1)
- Shafts, flexible (3)
