50 mm x 90 mm x 20 mm Loyal 1210 self aligning ball bearings

50 mm x 90 mm x 20 mm Loyal 1210 self aligning ball bearings SKF Wheel Bearings DEVELOP MFG.CORP. SEARCH - Whether it's Bearings Category agriculture or construction equipment 50 mm x 90 mm x 20 mm your BEARINGS LIMITED Brand working on, Has the50x90x20 Bearing you need.

What is 1210 bearing cross reference？