Machine parts, namely, bearings, namely, roller bearings, spherical plain bearings, ball bearings, anti-friction bearings, engine bearings, high performance bearings, precision bearings, machine tool bearings, integrated bearings, and aerospace bearings; integrated bearing assemblies being machine parts; bearings being machine parts and parts thereof, namely, cups, cones, rollers, balls, spacers, retainers, cages and shields; machine parts, namely, bearing housings, covers and closures; seals and seal wear rings for bearings being machine parts; machine parts, namely, journal boxes, journal box covers, closures and spacers; closures for lubricant flingers being machine parts; brakes for machines and brake systems for machines; worms being gear parts for machines and gears for machines; engine transmissions for machines; grinders; axles for machines; machine parts, namely, wheels and pulleys; machine parts, namely, lubricators for roller bearings, chains, linear guideways, gears, seals and machines; precision bearing inserts being machine parts and mechanical seals used in industrial and automotive applications to assist in the sliding, rolling and lifting motion of machinery, all being parts of machines; aircraft and boat parts, namely, engine bearings and engine bearing parts, namely, cups, cones, rollers, balls, spacers, retainers, cages and shields; rotor hubs being machine parts; gas turbine engines not for land vehicles; machine parts, namely, transmissions, turbine blades, compressor wheels, compressor blades, gears, combustors and yokes; aviation drive train components, namely, main rotor hubs, transmissions, gearboxes, tail rotor gearboxes, main rotor masts and servos; shaft couplings for machines; locking ring for rolling mill stands or presses; transmission gears for machines; machinery brakes; machine parts, namely, variable speed drives for machines and power transmissions; synchronizing clutches for machines; clutch and brake units for machinery; self-aligning gear couplings for machines; power driven reduction gear units for reducing the speed of motors; motor drives for mixers and agitators; shaft mounted gear system for driving paper machine dryers; primary motor driven parallel shaft reducers; sprockets, and transmissions for ships, boats and marine vessels; propulsion gear drives, clutches and couplings, and reduction gearing for marine drives; hydro viscous drive used as wet clutches, wet brakes, torque controllers or variable speed drives for machines; machinery and parts of machines, namely, gear motors not for land motor vehicles, gear drives, and replacement parts therefor for all the above; machinery and parts of machines, namely, coal handling and crushing machines for use in mines and coal-fired power plants, and replacement parts therefor; industrial and light commercial mechanical drivers for machines; bevel-helical and bevel-epicyclic roller mill drives; condensate feed and cooling water pump drives; induced draft, forced draft, and air-preheater fan drives for machines; power transmission equipment, namely, gears, clutches, brakes and couplings used to drive horizontal or vertical pumps for the transportation, storage, or conditioning of treated or untreated water; pumps and drives for natural gas pipeline pumping; gas turbine electrical power-generation, accessory pump and starter drives; high speed drives and transmission equipment, namely, gears, clutches, brakes and couplings to power machinery used in gas and oil gathering and compression; shell pinion gearing, rolling mill drives, and reducers engineered for large loads used in the steel and metal processing industry; wind and hydro-turbine drives and synchronous condenser and cooling tower drives; replacement parts therefor; Lubricant filters and filtrations systems comprised of filters, relief valves, pumps and coolers and associated connecting piping and instrumentation for removing ferrous metal contaminants from lubricant and lubricant systems related to industrial machine gearboxes; structural components and replacement parts for the aforementioned goods; power transmission chain not for land vehicles; conveyor chain; helicoid, sectional and mounted auger flighting for conveying materials; spooling rack for power transmission chains, not for land vehicles; roller chain not for land vehicles; machine parts, namely, chains and chain links used in conveyors, elevators, and power transmissions; industrial machine parts, namely, chains made of metal and roller chains; power transmission belts for machines, motors and engines used in industrial applications; brakes, clutches, torque limiters, gearboxes, beltless transmissions, and couplings used for power transmission in equipment and machinery, all being other than for land vehicles; automatic lubrication apparatus, namely, pumps and machines; automatic apparatus for filling crank, namely, crank shafts for machines and engines; jaw couplings, radial removable spacer couplings, elastomeric couplings, metallic couplings, elastomeric tensioners belts, universal joints for transmission of motive power in machines, variable speed pulleys being parts of machines, variable speed belts, flexible couplings and shaft collar couplings, all for machines.