85 mm x 130 mm x 22 mm NKE 6017 deep groove ball bearings

85x130x22 Bearing offers a 85 mm x 130 mm x 22 mm 85 mm x 130 mm x 22 mm NKE 6017 deep groove ball bearings selection of FBJ needle roller bearings-SINGAPORELTD. Genuine 85x130x22 Bearing at Wholesale Prices. N/A Minimum Buy Quantity We are a 85 mm x 130 mm x 22 mm NKE 6017 deep groove ball bearings Certified Parts Retailer

What is 6017 bearing interchange？