Other
Transmission shafts (including camshafts and crankshafts) and cranks; bearing housings, housed bearings and plain shaft bearings; gears and gearing; ball or roller screws; gear boxes and other speed changers, including torque converters; flywheels and pulleys, including pulley blocks; clutches and shaft couplings (including universal joints); parts thereof: > Toothed wheels, chain sprockets and other transmission elements presented separately; parts: > Parts of gearing, gear boxes and other speed changers > Other
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 8483.90.50.80
Helical Gearbox Housing
A precision-machined aluminum housing designed to enclose and support helical gears within industrial gearboxes. It falls under HTS 8483.90.5080 as a part of gearing or gear boxes, specifically classified as 'other' parts not enumerated elsewhere in the subheading. This component ensures alignment and lubrication for high-torque transmission applications.
Planetary Gear Carrier
A forged steel carrier that holds planet gears in a planetary gear set for speed reduction in heavy machinery. Classified under HTS 8483.90.5080 as an 'other' part of gear boxes and speed changers due to its role in transmitting torque via epicyclic gearing. Essential for construction equipment and wind turbines.
Worm Gearbox End Cover
Machined cast iron end cover for worm gear reducers, featuring shaft seals and mounting flanges. It qualifies for HTS 8483.90.5080 as an 'other' part essential for containing lubricants and aligning shafts in speed changers. Commonly used in conveyor systems and elevators.
Spiral Bevel Gear Blank
Pre-machined steel blank for spiral bevel gears used in right-angle speed changers. Falls under HTS 8483.90.5080 as an unfinished part of gearing, awaiting final tooth cutting. Applied in automotive differentials and marine propulsion.
Torque Converter Housing
Aluminum die-cast housing for automatic transmission torque converters, including impeller mounting surfaces. Classified in HTS 8483.90.5080 as a part of speed changers and torque converters. Critical for automotive and industrial fluid couplings.
Rack and Pinion Gearbox Mount
Precision CNC-machined mount bracket for rack and pinion steering gearboxes. HTS 8483.90.5080 applies as an 'other' part supporting gearing alignment in speed changers. Used in robotics and CNC machines.
Cycloidal Speed Reducer Frame
High-strength steel frame for cycloidal drive speed reducers, featuring eccentric bearing seats. Qualifies under HTS 8483.90.5080 as a gear box part for precise motion control. Common in automation and robotics.
Differential Gear Case
Two-piece forged case housing bevel gears in mechanical differentials for torque distribution. HTS 8483.90.5080 classification as part of speed changers, not vehicle-specific. Used in tractors and industrial differentials.
Multi-Stage Gearbox Spacer
Hardened steel spacer rings maintaining shaft alignment in multi-stage reduction gearboxes. Falls under 'other' parts of gear boxes in HTS 8483.90.5080 due to critical spacing function. Applied in pumps and compressors.
Bevel Gearbox Input Shaft Flange
Machined flange coupling input shaft to bevel gear sets in right-angle drives. Classified HTS 8483.90.5080 as part of gearing assemblies for power transmission. Used in mixers and agitators.
Inline Helical Gear Reducer Baseplate
Cast aluminum baseplate with machined mounting pads for inline helical gear reducers. HTS 8483.90.5080 as 'other' speed changer part providing structural foundation. Essential for fixed installations.
Precision Worm Wheel Bushing
Bronze precision bushing supporting worm wheel shafts in high-ratio reducers. Qualifies HTS 8483.90.5080 as specialized plain shaft bearing part of gear boxes. Reduces friction in indexing applications.
Gear Pump Drive Adapter
Spline adapter connecting motor to gear pump drive gears in hydraulic systems. HTS 8483.90.5080 as part transmitting motion to gearing in speed changers. Critical for fluid power applications.
Right Angle Gearbox Output Flange
Machined output flange with pilot diameter for right angle gear box load connections. Classified under HTS 8483.90.5080 as essential part completing speed changer torque output. Used in conveyor drives.
Harmonic Drive Wave Generator
Cam-shaped flex spline wave generator for strain wave harmonic speed reducers. HTS 8483.90.5080 as precision part of high-ratio gear boxes enabling zero-backlash positioning. Used in robotics and aerospace.