- Ball joints, except motor vehicle and aircraft
- Bearings, plain
- Belting, chain
- Chain, power transmission
- Clutches, except motor vehicle
- Collars, shaft (power transmission equipment)
- Couplings, shaft: rigid, flexible, universal joint, etc.
- Drive chains, bicycle and motorcycle
- Joints, swivel: except motor vehicle and aircraft
- Joints, universal: except motor vehicle
- Pillow blocks, with plain bearings
- Pivots, power transmission
- Pulleys, power transmission
- Railroad car journal bearings, plain
- Shafts, flexible
- Sprockets (power transmission equipment)
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