105 mm x 145 mm x 40 mm ISB NNU 4921 SPW33 cylindrical roller bearings

105x145x40 bearing offers a 105 mm x 145 mm x 40 mm ISB NNU 4921 SPW33 cylindrical roller bearings selection of Genuine BROWNING BEARINGS MANUFACTURE LIMITED 105x145x40 bearing at Wholesale Prices. We are a 105 mm x 145 mm x 40 mm 105 mm x 145 mm x 40 mm ISB NNU 4921 SPW33 cylindrical roller bearings Certified 0800675194185 EAN Parts Retailer

What is NNU 4921 SPW33 bearing cross reference？