70 mm x 150 mm x 51 mm ISO 2314K self aligning ball bearings

Self Aligning Ball Bearings Radial Contact bearing type: offers a 70 mm x 150 mm x 51 mm ISO 2314K self aligning ball bearings 70 mm x 150 mm x 51 mm selection of Genuine Self Aligning Ball Bearings at NTN Driveshaft CORP. Wholesale Prices. We are a 70 mm x 150 mm x 51 mm ISO 2314K self aligning ball bearings Certified Parts Retailer

What is 2314K bearing interchange？