400 mm x 540 mm x 33.5 mm 400 mm x 540 mm x 33.5 mm skf 81280 M Cylindrical roller thrust bearings

Online shopping NTN BEARING MANUFACTURING DE MEXICO,S.A.DE C.V. 26 mm D 400 mm x 540 mm x 33.5 mm 400 mm x 540 mm x 33.5 mm skf 81280 M Cylindrical roller thrust bearings from 053893772899 manufacturer upc number: a great selection at Store. ... Cylindrical roller thrust bearings Accessories. 400 mm x 540 mm x 33.5 mm

What is 81280 M bearing cross reference？