Toothed wheels, chain sprockets and other transmission elements presented separately; parts
Transmission shafts (including cam shafts and crank shafts) and cranks; bearing housings 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). > Toothed wheels, chain sprockets and other transmission elements presented separately; parts
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8483.90.00
ANSI #40 Roller Chain Sprocket 20 Teeth
A standard ANSI #40 roller chain sprocket with 20 teeth, machined to engage with roller chains in power transmission systems. It is presented separately as a transmission element, falling under tariff item 8483.90.00 for toothed wheels and chain sprockets.
Bicycle Rear Chain Sprocket Cassette
A multi-gear cassette sprocket assembly for bicycles, with precisely machined teeth for derailleur chain engagement. Presented separately as a chain sprocket, it falls under tariff item 8483.90.00 for transmission elements.
Custom Offset Chain Sprocket
An offset tooth sprocket for specialty chain drives requiring non-standard engagement, presented separately. It falls under tariff item 8483.90.00 as a chain sprocket for transmission systems.
Double Strand Chain Sprocket Duplex
A duplex sprocket for double-strand roller chains, featuring two parallel sets of teeth for heavy load transmission in printing presses and packaging machines. Presented separately, it falls under tariff item 8483.90.00.
Forged Agricultural Tractor Chain Sprocket
A forged sprocket for tractor PTO-driven chain implements like balers and combines, built for field durability and high torque. Presented separately, it falls under tariff item 8483.90.00.
Go-Kart Racing Chain Sprocket 10T
A lightweight 10-tooth front sprocket for go-kart racing chains, made of hard-anodized aluminum for high-RPM performance. Presented separately, it falls under tariff item 8483.90.00 as a chain sprocket.
Hardened Steel Chain Sprocket Replacement Teeth
Replaceable tooth segments for large chain sprockets, designed for bolt-on installation in bucket elevators. These parts fall under tariff item 8483.90.00 as parts of transmission elements.
Heavy Duty Mining Conveyor Chain Sprocket
A massive sprocket for armored face conveyors in coal mining, with replaceable tooth segments and alloy steel construction for extreme wear resistance. Presented separately, it falls under tariff item 8483.90.00.
Idler Chain Sprocket for Tensioning
A non-driven idler sprocket used to maintain chain tension in conveyor and drive systems, with a bearing-mounted hub. Presented separately, it falls under tariff item 8483.90.00 as a chain sprocket.
Motorcycle Chain Sprocket Front Sprocket
A compact front sprocket for motorcycle primary drive chains, typically steel with hardened teeth for high-torque transmission. Presented separately, it falls under tariff item 8483.90.00.
Platewheel Chain Sprocket Simplex
A British standard platewheel sprocket for simplex chains, with a hubless design for welding, used in marine winches. Presented separately, it falls under tariff item 8483.90.00.
Precision Timing Chain Sprocket for Automotive
A high-precision sprocket for engine timing chains, with laser-cut teeth for exact synchronization of camshaft and crankshaft. Presented separately, it falls under tariff item 8483.90.00 as a transmission element.
Roller Chain Sprocket for Industrial Conveyor
A precision-toothed steel sprocket designed to engage with roller chains in conveyor systems, transmitting mechanical power efficiently. Presented separately, it falls under tariff item 8483.90.00.
Split Taper Bushing Chain Sprocket
A sprocket featuring a split taper bushing for easy installation and removal on shafts without machining. Presented separately, it falls under tariff item 8483.90.00 as a chain sprocket with parts.
Taper Lock Chain Sprocket for Mining Equipment
A heavy-duty sprocket with a taper lock bushing system for secure mounting on shafts in mining conveyors and crushers. Presented separately, it falls under tariff item 8483.90.00.