45 mm x 85 mm x 19 mm skf QJ 209 MA four-point contact ball bearings

Four-Point Contact Ball Bearings offers a 45 mm x 85 mm x 19 mm 45 mm x 85 mm x 19 mm skf QJ 209 MA four-point contact ball bearings selection of Genuine 59 Flange O.D. H(φ) Four-Point Contact Ball Bearings GF BEARING-SINGAPORE LTD. at Wholesale Prices. We 15 Bearing I.D. d(mm) are a 45 mm x 85 mm x 19 mm skf QJ 209 MA four-point contact ball bearings Certified Parts Retailer

What is QJ 209 MA bearing cross reference？