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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If hot-rolled steel not finished as bearing
Semi-finished steel products classify in Chapter 72.
If part of machine tools for grinding
Wafer grinders as machine tools pull parts to Chapter 84 heading 8466.
If crankshaft/transmission shaft application
Plain bearings for engines/vehicles shift within 8483 but different subheading.
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Import Tips & Compliance
• Provide Rockwell hardness certs and grind flatness specs
• Separate from housing to maintain 'without housing' status
• Anti-dumping vigilance for steel products from certain origins
Related Products under HTS 8483.30.80.90
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