General Purpose Conveyor Roller Bearing Steel Bearing Material Powered Powered For Use with Tubing or Pipe Tubing For Axle Size 7/16 in For Axle Shape Hex For Pipe Size (Schedule) 1-29/32 in (Schedule 40) For Tubing OD and Gauge 0.065 in (16 ga) 1.783 in Bearing OD 1 57/64 in Flange Outside Dia 35/64 in Overall Width 635 lb Bearing Load Rating 11/25 in Bore Dia