Other
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: > Bearing housings; plain shaft bearings: > Other > Plain shaft bearings: > Without housing: > Other
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 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Products classified under HTS 8483.30.80.90
Bronze Bushing for Semiconductor Wafer Grinder
A precision bronze plain shaft bearing without housing, designed for high-speed rotation in wafer grinding machines used to shape semiconductor crystal boules to exact diameters. It falls under HTS 8483.30.8090 as a plain shaft bearing without housing, essential for maintaining alignment and reducing friction in semiconductor manufacturing equipment.
Graphite Plain Shaft Bearing for Crystal Puller
A self-lubricating graphite plain shaft bearing without housing, used in Czochralski crystal pullers to support rotating shafts during monocrystalline silicon boule growth for semiconductor wafers. Classified under HTS 8483.30.8090 for its role as a plain shaft bearing in high-temperature semiconductor processing equipment.
PTFE-Lined Bushing for Wafer Slicing Saw Spindle
A low-friction PTFE-lined steel plain shaft bearing without housing, fitted on spindles of wafer slicing saws that cut monocrystalline semiconductor boules into thin wafers. It qualifies for HTS 8483.30.8090 as an unlubricated plain shaft bearing optimized for cleanroom semiconductor fabrication.
Ceramic Plain Bearing for Wafer Polisher
A high-precision silicon carbide ceramic plain shaft bearing without housing, used in wafer polishers to achieve flatness tolerances critical for semiconductor device fabrication. Under HTS 8483.30.8090 as a plain shaft bearing for semiconductor wafer preparation equipment.
Oil-Impregnated Sintered Bronze Bushing for Float Zone Crystal Grower
Self-lubricating oil-impregnated sintered bronze plain shaft bearing without housing, supporting shafts in float zone crystal growers for pure semiconductor material production. Classified in HTS 8483.30.8090 for plain shaft bearings in specialized semiconductor equipment.
Stainless Steel Sleeve Bearing for Wafer Lapping Machine
Corrosion-resistant 316 stainless steel sleeve-type plain shaft bearing without housing, used in wafer lappers to prepare semiconductor wafers to dimensional tolerances. HTS 8483.30.8090 covers this as a plain shaft bearing for semiconductor processing.
Polymer Composite Plain Bearing for Crystal Grinder
High-load polymer composite (POM/PTFE blend) plain shaft bearing without housing for crystal grinders that shape semiconductor boules with conductivity flats. Falls under HTS 8483.30.8090 as a plain shaft bearing designed for precision semiconductor applications.
Titanium Plain Shaft Bushing for Wafer Slicer Drive
Lightweight Grade 5 titanium plain shaft bushing without housing, enduring high RPM in drive shafts of wafer slicing saws for semiconductor boule slicing. Classified HTS 8483.30.8090 for plain shaft bearings in semiconductor wafer manufacturing.
Hardened Steel Lap Bearing for Wafer Grinder
Precision-ground hardened steel plain shaft bearing without housing for lap platens in wafer grinders preparing semiconductor wafers for fabrication. HTS 8483.30.8090 applies to this plain shaft bearing in semiconductor processing tools.