110 mm x 200 mm x 38 mm SKF N 222 ECM thrust ball bearings

SKF Bearing offers a 110 mm x 200 mm x 38 mm SKF N 222 ECM thrust ball bearings EE234160-90216 Manufacturer Item Number selection of Genuine SKF Bearing at Wholesale Prices. We 110 mm x 200 mm x 38 mm are a BEARING DRIVESHAFT,INC. 110 mm x 200 mm x 38 mm SKF N 222 ECM thrust ball bearings Certified Parts Retailer Bearing Noun

What is N 222 ECM bearing cross reference？