# Keep SP-22FL Separate From SP-25FL
Look-alike part numbers are the usual way a stores ticket goes wrong on a SUS304 stainless swivel ball transfer unit. Do not substitute SP-25FL, SP-30FL, or SP-45FL units that appear in the same title family. The listing title mentions several SP sizes; this page is for SP-22FL. Check ball height and housing before mixing sizes on one table.
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SP-22FL is listed as a SUS304 stainless swivel ball transfer unit. Because a public millimetre sheet is thin on some catalog pages, confirm bore, outside diameter, and width against your drawing or the live product listing.
Review SP-22FL 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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