Four-Bolt Flange Roller Bearing Unit
Heavy-duty four-bolt flanged roller bearing unit for vibratory screens in aggregate processing. HTS 8483.30.4040 covers this roller bearing type flange unit, engineered for shock loads and misalignment tolerance.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing needle roller elements
Needle roller bearing units classify under 8482.80, specific to thin roller geometry.
If integral to semiconductor wafer grinding machines
Parts for wafer prep equipment (per statistical note) may go to 8474.90 if machine-specific.
If housing is primarily cast iron without precision machining
Basic cast iron housings not precision-machined for bearings may be articles of iron under 7326.
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Import Tips & Compliance
• Specify roller vs ball in invoices; CBP distinguishes via internal construction inspection
• Include vibration rating data for units destined for high-shock environments
• Pre-clear with binding ruling if novel housing design to avoid delays
Related Products under HTS 8483.30.40.40
Pillow Block Ball Bearing Unit
A mounted ball bearing unit with a pillow block housing designed for supporting rotating shafts in industrial machinery. It falls under HTS 8483.30.4040 as a flange, take-up, cartridge or hanger unit of the ball or roller bearing type, providing easy installation and alignment for conveyor systems and motors.
Flanged Ball Bearing Cartridge Unit
A cartridge-style ball bearing unit with an integrated flange for bolted mounting in automated assembly lines. Classified in HTS 8483.30.4040 for its ball bearing type within a take-up or cartridge housing, ideal for precise shaft support in high-speed applications.
Take-Up Ball Bearing Hanger Unit
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Adjustable Diamond Flange Ball Bearing Unit
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Cylindrical Roller Bearing Cartridge Unit
Replaceable cartridge unit with cylindrical roller bearings for paper mill dryer sections. HTS 8483.30.4040 applies to this roller bearing cartridge housing, designed for high-temperature steam environments.
Hanger Ball Bearing Unit for Conveyors
Ceiling-mount hanger ball bearing unit optimized for overhead conveyor chains in warehouses. Classified HTS 8483.30.4040 for ball bearing hanger type, supporting suspended shaft loads with minimal deflection.