Insert Bearing Ball Material Alloy Steel Bearing Industry Number ER-39 Bearing Insert Type Radial/Deep Groove Ball Bearing Insert Shape Cylindrical Bore Diameter 2 7/16 in Closure Double Sealed For Environment Chemical Food and Beverage Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outer Ring Width 1.252 in Outside Diameter 4 21/64 in Ring Material Alloy Steel Rolling Element Material Alloy Steel Rolling Element Rows 1 Seal Type Contact