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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
outer diameter is 5 5/8" inch and width is 5/16" inch
the NU321MY outer diameter is 225mm
313SFF Deep groove ball bearing single row Radial Bearing 65x140x33
513021 Ball Bearing
Dynamic load rating Cr: 167 N
16 inline Skate Bearing Nylon Cage Open Outer Diameter - 7mm outer diameter is 5 5/8"inline Skate Bearings NYLON Retainer 16 Bearings 16 skate bearings are Deep Groove Oil Preserved Radial Ball Bearings with NYLON Retainer,The Nylon material has low friction and less weight, less friction & less weight means higher speeds. Made from high strength chrome steel for durability and performance, also bearings are pre lubricated with Oil. 608 Ball Bearings Deep groove ball bearings Retainer: NYLON (Less friction & less weight=Higher speeds)