- Bearings, plain (5)
- Pillow blocks with plain bearings (1)
- Ball joints, except aircraft and auto (1)
- Couplings, shaft: rigid, flexible, universal joint, etc. (1)
- Drive chains, bicycle or motorcycle (1)
- Sprockets (power transmission equipment) (1)
- Clutches, except vehicular (7)
- Collars, shaft (power transmission equipment) (1)
