Incorporating ball bearings
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: > Housed bearings, incorporating ball or roller bearings: > Flange, take-up, cartridge and hanger units > Incorporating ball bearings
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 8483.20.40.40
Pillow Block Ball Bearing Housing Unit
A pillow block unit consists of a mounted ball bearing housed in a cast iron or steel housing with a pillow-shaped base for easy bolting to machinery frames. It incorporates sealed deep groove ball bearings for smooth rotation and is designed for supporting shafts in conveyor systems and agricultural equipment. Classified under HTS 8483.20.4040 as a housed bearing unit incorporating ball bearings, specifically a flange or take-up type.
Four-Bolt Flange Ball Bearing Unit
This flange-mounted ball bearing unit features a square four-bolt flange housing with pre-lubricated insert ball bearings, ideal for high-speed shaft support in pumps and fans. The self-aligning design compensates for minor shaft misalignment. It qualifies under HTS 8483.20.4040 for flange units incorporating ball bearings.
Take-Up Ball Bearing Housing Unit
Take-up units with ball bearings allow for shaft adjustment in conveyor belt tensioning systems, featuring cast iron housings and corrosion-resistant inserts. They incorporate angular contact ball bearings for axial load handling. Falls under HTS 8483.20.4040 as take-up housed bearings with ball elements.
Hanger Ball Bearing Unit
Ceiling or wall-mounted hanger ball bearing units support horizontal shafts in overhead conveyor systems, with lightweight aluminum or steel housings and solid lube ball bearings. Designed for low-vibration operation. HTS 8483.20.4040 covers hanger units incorporating ball bearings.
Heavy-Duty Cast Iron Ball Bearing Cartridge
Heavy-duty cartridge ball bearing units in cast iron housings withstand shock loads in crushers and ball mills, with triple-lip labyrinth seals and tapered roller-ball hybrid inserts. Specifically for 8483.20.4040 cartridge units with ball bearings.
Cartridge Ball Bearing Insert Unit
Cartridge-style ball bearing units are sealed inserts that fit into larger housings, used in mining equipment and heavy machinery for easy replacement. They feature double-lip seals and eccentric locking collars. Classified in HTS 8483.20.4040 for cartridge housed ball bearing units.
Adjustable Flange Ball Bearing Take-Up
Combination flange take-up ball bearing units offer both mounting flexibility and tension adjustment for conveyor and elevator shafts. Equipped with high-capacity ball bearing inserts and stainless steel baffles. Meets HTS 8483.20.4040 for multi-function housed ball bearing units.