6,35 mm x 15,875 mm x 4,978 mm ZEN SFR4 deep groove ball bearings

170 Million 6,35 mm x 15,875 mm x 4,978 mm used 6,35 mm x 15,875 mm x 4,978 mm ZEN SFR4 deep groove ball bearings instantly searchable. Shop our large selection of parts based on brand, price, description, and location. Order 100 Weight the deep groove ball bearings AMERICAN NTN BEARING LTD with stock ... NSK Manufacturer Name

What is SFR4 bearing interchange？