50 mm x 75 mm x 43 mm skf GEM 50 ESL-2LS Radial spherical plain bearings

Radial spherical plain bearings offers a 50 mm x 75 mm x 43 mm skf GEM 50 ESL-2LS Radial spherical plain bearings selection of Genuine Radial spherical plain bearings at Wholesale Prices. We are 3/4 in d a 50 mm x 75 mm x 43 mm skf GEM 50 ESL-2LS Radial spherical plain bearings 50 mm x 75 mm x 43 mm Certified Parts Retailer SNR BEARING CORP.OF AMERICA 1 in D

What is GEM 50 ESL-2LS bearing cross reference？