45 mm x 85 mm x 19 mm FAG 6209-2RSR deep groove ball bearings

Deep Groove Ball Bearings offers 45 mm x 85 mm x 19 mm a 45 mm x 85 mm x 19 mm FAG 6209-2RSR deep groove ball bearings selection of Genuine 33500 lbf static load capacity: Deep Groove Ball Bearings at Wholesale Prices. We are ZKLF series: a 45 mm x 85 mm x 19 mm FAG 6209-2RSR deep groove ball bearings Certified Bearing equipment manufacturing Co., Ltd Parts Retailer

What is 6209-2RSR bearing cross reference？