# How to Specify SRW0ZZ Without Mixing Nearby Parts
Look-alike part numbers are the usual way a stores ticket goes wrong on a stainless steel extended inner ring bearing. Do not substitute a standard-width miniature with the same bore but no extended inner ring. This is an inch-size stainless extended-inner-ring bearing, not a metric 6000-series deep groove.
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The envelope to write on the ticket is 0.0469 × 0.1562 × 0.0937 in. That geometry belongs to SRW0ZZ, a stainless steel extended inner ring bearing. Measure the removed part or the housing before you trust a faded stamp.
Review SRW0ZZ bearing on the TFL Bearing Made-in-China listing. Shandong TFL Bearing Co., Ltd can confirm stock, packing, and any OEM marking once the drawing or sample is attached.
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