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.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If rolled stainless steel bars/tubes not machined as bearings
Unfinished stainless steel shapes go to Chapter 72 iron/steel articles.
If specific to boule grinding equipment
Semiconductor manufacturing machine parts in statistical note classify to 8486.
If general machinery part not semiconductor-specific
Other steel articles for machines shift to Chapter 73 if not specialized.
Not sure which classification is right?
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Import Tips & Compliance
• Provide 316SS material cert and ID/OD tolerances for bearing verification
• Avoid classification pitfalls by excluding any roller/ball features
• Comply with FDA-equivalent cleanroom material standards
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