Balls
Ball or roller bearings. > Parts: > Balls, needles and rollers > Balls
Duty Rate (from China)
Products classified under Tariff item 8482.91.00.10
1/8 Inch Stainless Steel Bearing Balls
Corrosion-resistant 1/8 inch 440C stainless steel balls for bearings in float zone crystal pullers, maintaining purity in semiconductor boule growth. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically as other balls due to their size and application.
8482.91.003mm Grade 10 Zirconia Oxide Bearing Balls
Zirconia oxide balls for low-friction bearings in Czochralski crystal growers, critical for smooth rotation in semiconductor wafer production. These advanced ceramic balls are classified under tariff item 8482.91.00 as other balls for bearings.
8482.91.00Alloy Steel Bearing Balls for Semiconductor Wafer Crystal Pullers
Precision-ground alloy steel balls used in the high-speed rotating mechanisms of Czochralski crystal pullers for growing monocrystalline silicon boules in semiconductor manufacturing. These balls minimize friction in the bearing assemblies and are classified under tariff item 8482.91.00 as balls for ball bearings.
8482.91.00Anti-Magnetic 2mm Bearing Balls
Low-magnetic 17-4 PH stainless balls for cleanroom bearings in wafer fabs, preventing contamination in semiconductor processing. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically for their anti-magnetic properties.
8482.91.00Automotive Wheel Bearing Balls
High-volume chrome steel balls engineered specifically for automotive hub and wheel bearings. These precision-ground balls are designed to handle combined radial and axial loads, making them essential components in automotive bearing assemblies.
8482.91.00Ceramic 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 where steel balls would fail.
8482.91.00Chrome 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, ensuring reliable performance in heavy-duty applications.
8482.91.00Chrome Steel Needle Rollers for Planetary Gear Bearings
Chrome steel needle rollers are through-hardened AISI 52100 steel needles used in needle bearings for planetary gears of wind turbines and heavy machinery. Their length-to-diameter ratio exceeds 4:1, making them suitable for high-load radial applications. They are classified as bearing needles under this tariff item.
8482.91.00Copper Alloy Balls for Wafer Slicing Saw Bearings
Specialized copper balls for precision bearings in inner diameter (ID) saws that slice semiconductor wafers from monocrystalline boules. These copper alloy balls are classified under tariff item 8482.91.00 as balls for bearings, and are noted for their use in wafer slicing applications.
8482.91.00Copper Alloy Bearing Balls for Semiconductor Wafer Crystal Pullers
Precision copper alloy balls used in high-vacuum bearings of Czochralski crystal pullers for growing monocrystalline silicon boules in semiconductor manufacturing. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically for their use in crystal puller mechanisms.
8482.91.00Copper Roller Balls for Semiconductor Wafer Polisher Spindles
Precision copper alloy roller balls for high-speed polishers that prepare wafer surfaces to atomic flatness for semiconductor device fabrication. These balls are classified under tariff item 8482.91.00 as balls for bearings, used in polisher spindles.
8482.91.00Cylindrical Needle Rollers for Automotive Transmission Bearings
Cylindrical needle rollers are high-precision components (1-3mm diameter) used in needle roller bearings for automotive transmissions. They provide compact high-load capacity in limited spaces. These are classified as bearing needles under this tariff item due to their dedicated rolling element function.
8482.91.00Cylindrical Roller Bearing Elements
Straight cylindrical steel rollers for radial roller bearings in electric motors and conveyor systems. Their barrel-free profile ensures uniform load distribution and long service life in high-speed applications.
8482.91.00Drawn Cup Needle Roller Bearing Elements
Drawn cup needle roller bearing elements are loose needle rollers supplied separately for assembly into drawn cup needle bearings used in robotics and precision instruments. They are the dedicated rolling elements (needles) provided independently. These are classified as bearing needles under this tariff item.
8482.91.00Glass 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 where metallic components could cause interference.
8482.91.00Grade 3 10mm Tool Steel Bearing Balls
High-grade tool steel balls for heavy-duty bearings in boule grinders, precision-engineered for semiconductor crystal processing. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically for their use in grinding machine bearings.
8482.91.00Grade 5 Tungsten Carbide Bearing Balls
Grade 5 tungsten carbide bearing balls are ultra-hard precision components used in roller bearings for wafer slicing saws in semiconductor manufacturing. Their extreme hardness provides durability against abrasive materials like silicon boules, making them essential for precise cutting operations. They are classified under this tariff item as 'other' balls for ball or roller bearings.
8482.91.00Heavy-Duty Needle Rollers for Industrial Gearboxes
Heavy-duty needle rollers are large-diameter (5-10mm) case-hardened needles used for full complement needle roller bearings in steel mill gearboxes. They provide exclusive radial load support in demanding industrial applications. These are classified as bearing needles under this tariff item.
8482.91.00High-Carbon Chrome Roller Pins
Hardened high-carbon chrome steel rollers functioning as needles in planetary gear bearings. These rollers are precision-ground to tight tolerances to withstand high radial loads in compact spaces.
8482.91.00High-Chrome Alloy Steel Balls for Wafer Grinding Machines
High-chromium alloy steel balls employed in the spindle bearings of wafer grinders that shape semiconductor crystal boules to exact diameters. These balls provide corrosion resistance and durability during continuous precision operations, falling under tariff item 8482.91.00 as balls for bearings.
8482.91.00High-Polish 5/32 Inch Carbon Steel Bearing Balls
High-polish 5/32 inch carbon steel bearing balls are mirror-finish precision components used in lapping machine bearings for wafer preparation in semiconductor processing. Their fine surface finish ensures flatness tolerances critical to semiconductor manufacturing. They are classified as 'other' balls under this tariff item for ball or roller bearings.
8482.91.00High-Purity Copper Balls for Wafer Lapping Machine Thrust Bearings
Ultra-pure copper alloy balls for thrust bearings in wafer lappers that achieve flatness tolerances critical for semiconductor fabrication. These balls are classified under tariff item 8482.91.00 as bearing balls, specifically for use in lapping machine thrust bearings.
8482.91.00Hybrid Ceramic-Steel Bearing Balls
Hybrid ceramic-steel bearing balls consist of a silicon nitride (Si3N4) core with a steel jacket, designed for mixed-load bearings in float zone equipment used in semiconductor crystal growth. The combination offers high hardness with improved fracture toughness. These are classified as 'other' balls under this tariff item for ball bearings.
8482.91.00Large Diameter Bearing Rollers
Heavy steel rollers (100-300mm diameter) for wind turbine and paper mill bearings. These extreme-size rollers are designed for high-capacity applications requiring exceptional load-bearing capability.
8482.91.00Miniature Bearing Balls
Micro-precision steel balls (1-5mm diameter) for miniature bearings in computer HDDs, medical devices, and precision instruments. These balls are manufactured to extremely tight tolerances for smooth, quiet operation.
8482.91.00Miniature Needle Rollers for Medical Device Bearings
Miniature needle rollers are ultra-precision components (0.8-2mm diameter) used in miniature bearings for surgical robots and dental handpieces. Their specialized geometry enables compact, high-speed bearing applications. These are classified as bearing needles under this tariff item.
8482.91.00Non-Magnetic Copper Roller Balls for Wafer Grinding Machine Spindles
Copper alloy balls engineered for non-magnetic properties in high-speed spindles of wafer grinders that process crystal boules to precise diameters for semiconductor wafers. These balls are classified under tariff item 8482.91.00 as bearing balls.
8482.91.00Polymer Bearing Rollers
PTFE or nylon cylindrical rollers for low-speed, corrosion-resistant bearing applications in food processing. These polymer rollers are designed as bearing elements where metal components would corrode or contaminate the product.
8482.91.00Precision 4mm Sapphire Bearing Balls
Precision 4mm sapphire bearing balls are made of synthetic sapphire and used in ultra-precision bearings for semiconductor testing polishers. Their extreme hardness and wear resistance make them ideal for high-accuracy device processing equipment. They are classified as 'other' balls under this tariff item for ball bearings.
8482.91.00Precision 52100 Alloy Steel Balls for Wafer Lapping Machine Spindles
Grade 5 precision 52100 chrome alloy steel balls, through-hardened for maximum fatigue resistance, used in the main spindles of wafer lapping equipment to achieve sub-micron flatness on semiconductor wafers prior to device fabrication. These balls are classified under tariff item 8482.91.00 as parts of ball bearings, specifically balls.
8482.91.00Precision Chrome Steel Bearing Balls
Precision chrome steel bearing balls are high-precision components used in ball bearings for semiconductor wafer grinding machines. They ensure minimal surface deviation for accurate wafer preparation. These balls are classified as 'other' balls under this tariff item for ball or roller bearings.
8482.91.00Precision Copper Balls for Float Zone Crystal Grower Bearings
High-purity copper alloy balls for vacuum bearings in float zone crystal growers that produce semiconductor boules from polycrystalline silicon rods. These balls are classified under tariff item 8482.91.00 as bearing balls for use in crystal grower bearings.
8482.91.00Precision Instrument Needle Rollers
Ultra-precision needle rollers (0.5-2mm diameter) for gyroscopes, avionics, and scientific instruments. These rollers are manufactured to sub-micron tolerances for applications requiring exceptional accuracy.
8482.91.00Precision Tungsten Carbide Bearing Balls
Ultra-hard tungsten carbide balls for extreme wear applications in pump seals and precision instruments. These balls are classified as bearing balls despite their specialized applications due to their precision-ground spherical shape.
8482.91.00Spherical Bearing Rollers
Barrel-shaped rollers with spherical outer surfaces for self-aligning roller bearings in mining equipment. The convex profile compensates for shaft misalignment, ensuring reliable operation under harsh conditions.
8482.91.00Stainless Alloy Steel Balls for Wafer Slicing Saw Bearings
Corrosion-resistant stainless alloy steel balls for the high-precision bearings in wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. Designed for ultra-low vibration to maintain cut accuracy, these balls are classified under tariff item 8482.91.00 as bearing balls.
8482.91.00Stainless 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, providing compact high-load capacity.
8482.91.00Tapered 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, making them essential for demanding applications.
8482.91.00Turbocharger Bearing Rollers
High-temperature alloy steel rollers for turbocharger journal and thrust bearings. These rollers are engineered to withstand extreme RPM and heat specifications in automotive and industrial turbochargers.
8482.91.00Vacuum-Compatible Alloy Steel Balls for Float Zone Crystal Growers
Specially alloyed steel balls for vacuum-rated bearings in float zone crystal growers producing ultra-pure silicon for power semiconductors. Low outgassing materials prevent contamination during high-temperature zone refining, and these balls are classified under tariff item 8482.91.00 as bearing balls.