380 mm x 480 mm x 40 mm SKF BC1B 322770 A/HB1 thrust ball bearings

LET OUR 2.449 Weight 380 mm x 480 mm x 40 mm SKF BC1B 322770 A/HB1 thrust ball bearings EXPERTS GET YOU THE PARTS 380 mm x 480 mm x 40 mm YOU NTN BEARUNG DRIVESHAFT,INC. NEED.

What is BC1B 322770 A/HB1 bearing cross reference？