55 mm x 120 mm x 29 mm Fersa 6311 deep groove ball bearings

The online 55 mm x 120 mm x 29 mm Fersa 6311 deep groove ball bearings parts store gives 55 mm x 120 mm x 29 mm you NTN DRIVESHAFT ANDERlu, INC. immediate 2150 lbf radial dynamic load capacity: access to a selection of more than 1.4 million new, used, remanufactured.

What is 6311 bearing cross reference？