Attributes . 50MM Bore; 80MM Outside Diameter; 32MM Width; Open; Yes Flush Ground; Ball Bearing; Single Row of Balls; ABEC 1 | ISO P0; No Filling Slot; No Snap Ring; C0-Medium; Phenolic Cage; 25 Degree; 2 (1 Pair); Light Preload; Duplex-Universal Mounting . Names