Balls, needles and rollers
Ball or roller bearings. > Balls, needles and rollers
Duty Rate (from China)
Subheadings
Products classified under Tariff item 8482.91.00
Automotive Wheel Bearing Balls
High-volume chrome steel balls engineered for automotive hub and wheel bearings. These balls are designed to handle combined radial and axial loads, making them essential rolling elements in ball bearings for vehicles.
Ceramic Silicon Nitride Bearing Balls
High-performance silicon nitride ceramic balls for hybrid bearings in high-speed automotive and aerospace applications. Their non-magnetic and corrosion-resistant properties make them ideal for demanding environments, and they are classified as bearing balls under this item.
Chrome Steel Bearing Balls
Precision-ground chrome steel balls used as rolling elements in ball bearings for industrial machinery. These balls feature high hardness and wear resistance, making them suitable for various mechanical applications.
Cylindrical Roller Bearing Elements
Straight cylindrical steel rollers for radial roller bearings in electric motors and conveyor systems. Their barrel-free profile allows them to function as bearing rollers, classified under this tariff item.
Glass Bearing Balls
Precision soda-lime glass balls for low-load instrumentation bearings and fiber optic connectors. Their non-magnetic properties make them ideal for sensitive applications, and they are classified as bearing balls under this item.
High-Carbon Chrome Roller Pins
Hardened high-carbon chrome steel rollers functioning as needles in planetary gear bearings. These rollers are classified as bearing needles under this tariff item due to their application in bearing systems.
Large Diameter Bearing Rollers
Heavy steel rollers (100-300mm diameter) for wind turbine and paper mill bearings. These large rollers are designed for high-capacity applications and are classified as bearing rollers under this item.
Miniature Bearing Balls
Micro-precision steel balls (1-5mm diameter) for miniature bearings in computer HDDs, medical devices, and precision instruments. This tariff item covers all bearing ball sizes, including miniature ones.
Precision 52100 Alloy Steel Balls for Wafer Lapping Machine Spindles
Grade 5 precision 52100 chrome alloy steel balls for the main spindles in wafer lapping equipment that achieve sub-micron flatness on semiconductor wafers. These through-hardened balls are classified as bearing balls under this tariff item.
Precision Instrument Needle Rollers
Ultra-precision needle rollers (0.5-2mm diameter) for gyroscopes, avionics, and scientific instruments. These needles feature sub-micron tolerances and are classified as bearing needles under this tariff item.
Precision Tungsten Carbide Bearing Balls
Ultra-hard tungsten carbide balls for extreme wear applications in pump seals and precision instruments. Despite specialized applications, these are classified as bearing balls under this tariff item.
Spherical Bearing Rollers
Barrel-shaped rollers with spherical outer surfaces for self-aligning roller bearings in mining equipment. The convex profile compensates for shaft misalignment, and they are classified as bearing rollers under this item.
Stainless Steel Needle Rollers
Cylindrical stainless steel needle rollers for needle roller bearings in automotive transmissions and textile machinery. Their small diameter-to-length ratio defines them as needles under this tariff item.
Tapered Bearing Rollers
Conical steel rollers for tapered roller bearings used in heavy truck axles and industrial gearboxes. The tapered profile enables handling combined radial and axial loads, and they are classified as bearing rollers under this item.
Turbocharger Bearing Rollers
High-temperature alloy steel rollers for turbocharger journal and thrust bearings. These rollers are designed for extreme RPM and heat specifications, and are classified as bearing rollers under this item.