140 mm x 210 mm x 69 mm NTN 24028C spherical roller bearings

NTN Bearing offers a 140 mm x 210 mm x 69 mm NTN 24028C spherical roller bearings selection of Genuine NTN Bearing 140 mm x 210 mm x 69 mm Non-Expansion Bearin expansion type: at Wholesale Prices. We are a 140 mm x 210 mm x 69 mm NTN 24028C spherical roller bearings 46800 lb dynamic load capacity: Certified Parts SKF BEARING rolling stock(Europe) G.m.b.H. Retailer

What is 24028C bearing interchange？