NAICS 333613 — Mechanical Power Transmission Equipment Manufacturing 
BEA sector: Mechanical power transmission equipment manufacturing
Activity: Ball joints (except aircraft, motor vehicle) manufacturing
Activity: Bearings, plain (except internal combustion engine), manufacturing
Activity: Bushings, plain (except internal combustion engine), manufacturing
Activity: Chains, power transmission, manufacturing
Activity: Collars, shaft for power transmission equipment, manufacturing
Activity: Couplings, mechanical power transmission, manufacturing
Activity: Drive chains, bicycle and motorcycle, manufacturing
Activity: Joints, swivel (except aircraft, motor vehicle), manufacturing
Activity: Joints, universal (except aircraft, motor vehicle), manufacturing
Activity: Pulleys, power transmission, manufacturing
Activity: Railroad car journal bearings, plain, manufacturing
Activity: Sheaves, mechanical power transmission, manufacturing
Activity: Sprockets, power transmission equipment, manufacturing
Activity: Universal joints (except aircraft, motor vehicle) manufacturing