Chain sprockets and parts thereof
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: > Chain sprockets and parts thereof
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 9903.88.05, 9903.88.06, 9903.88.07, 9903.88.08, 9903.88.10, 9903.88.11, 9903.88.14, 9903.88.19, 9903.88.50, 9903.88.52, 9903.88.58, 9903.88.60, 9903.88.62, 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(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(b) [to this subchapter]
Subheadings
Products classified under HTS 8483.90.10
Split Taper Bushing Chain Sprocket
Sprocket featuring split taper bushing for easy installation/removal on shafts without machining. HTS 8483.90.10 classification for chain sprockets and parts thereof, presented separately. Popular in HVAC fans and material handling.
Heavy Duty Mining Conveyor Chain Sprocket
Massive sprocket for armored face conveyors in coal mining, with replaceable tooth segments. Under HTS 8483.90.10 as chain sprocket parts, separable design for maintenance. Alloy steel construction for extreme wear resistance.
Go-Kart Racing Chain Sprocket 10T
Lightweight 10-tooth front sprocket for go-kart racing chains, hard-anodized aluminum. HTS 8483.90.10 for separately presented chain sprockets. Optimized for high-RPM performance.
Platewheel Chain Sprocket Simplex
British standard platewheel sprocket for simplex chains, hubless design for welding. Classifies HTS 8483.90.10 as chain sprocket. Used in marine winches.
Hardened Steel Chain Sprocket Replacement Teeth
Replaceable tooth segments for large chain sprockets, bolt-on design. HTS 8483.90.10 parts thereof. For bucket elevators.
Custom Offset Chain Sprocket
Offset tooth sprocket for specialty chain drives requiring non-standard engagement. HTS 8483.90.10 separate presentation. Engineering applications.
Roller Chain Sprocket for Industrial Conveyor
A precision-toothed steel sprocket designed to engage with roller chains in conveyor systems, transmitting mechanical power efficiently. Classified under HTS 8483.90.10 as a chain sprocket presented separately for use in industrial transmission applications. Excludes complete assemblies or gearing integrated with other components.
Bicycle Rear Chain Sprocket Cassette
A multi-gear cassette sprocket assembly for bicycles, with precisely machined teeth to mesh with derailleur chains for gear shifting. Falls under HTS 8483.90.10 as chain sprockets presented separately, distinct from complete bicycle assemblies. Commonly used in recreational and competitive cycling.
Motorcycle Chain Sprocket Front Sprocket
Compact front sprocket for motorcycle primary drive chains, typically steel with hardened teeth for high-torque transmission. Classified in HTS 8483.90.10 as a standalone chain sprocket part, not part of a complete engine or drivetrain. Essential for speed and power transfer in two-wheeled vehicles.
ANSI #40 Roller Chain Sprocket 20 Teeth
Standard #40 size sprocket with 20 teeth for ANSI roller chains, used in machinery power transmission systems. HTS 8483.90.10 covers this as a chain sprocket presented separately, with machined pockets for chain rollers. Ideal for pumps, fans, and agricultural equipment.
Taper Lock Chain Sprocket for Mining Equipment
Heavy-duty sprocket with taper lock bushing system for secure mounting on shafts in mining conveyors and crushers. Meets HTS 8483.90.10 as chain sprocket parts, designed for harsh environments with abrasion-resistant teeth. Separate from complete drive systems.
Double Strand Chain Sprocket Duplex
Duplex sprocket for double-strand roller chains, featuring two parallel sets of teeth for heavy load transmission. Classified under HTS 8483.90.10 as presented separately, used in printing presses and packaging machines. Precision hardened for durability.
Idler Chain Sprocket for Tensioning
Non-driven idler sprocket used to maintain chain tension in conveyor and drive systems, with bearing-mounted hub. HTS 8483.90.10 applies to such chain sprockets presented separately, regardless of drive function. Common in automotive assembly lines.
Precision Timing Chain Sprocket for Automotive
High-precision sprocket for engine timing chains, with laser-cut teeth for exact synchronization of camshaft and crankshaft. Falls under HTS 8483.90.10 as separate chain sprocket, not engine part. Used in performance and OEM vehicle engines.