15 mm x 32 mm x 40 mm skf KRE 32 PPA Track rollers,Cam followers

Track Rollers,Cam Followers offers a MSD MANUFACTURING CO.,LTD. 15 mm x 32 mm x 40 mm skf KRE 32 PPA Track rollers,Cam followers selection of Genuine Track Rollers,Cam Followers at Wholesale Prices. We 15 mm x 32 mm x 40 mm are a 15 mm x 32 mm x 40 mm skf KRE 32 PPA Track rollers,Cam followers Certified No Internal Special Features Parts Retailer

What is KRE 32 PPA bearing cross reference？