65 mm x 100 mm x 16,5 mm NSK 65BTR10S angular contact ball bearings

NSK Bearing offers a 65 mm x 100 mm x 16,5 mm NSK 65BTR10S angular contact ball bearings selection 5.3139 in shaft diameter: of BEARING MANUFACTURING DE MEXICO,S.A.DE C.V. Genuine NSK Bearing at Wholesale Prices. We 65 mm x 100 mm x 16,5 mm are a 65 mm x 100 mm x 16,5 mm NSK 65BTR10S angular contact ball bearings Certified Parts Retailer

What is 65BTR10S bearing interchange？