Insert Bearing Ball Material Alloy Steel Bearing Industry Number UC210-50MM Bearing Insert Type Radial/Deep Groove Ball Bearing Insert Shape Spherical Bore Diameter 50 mm Closure Double Sealed For Environment Chemical Food and Beverage Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outer Ring Width 24 mm Outside Diameter 90 mm Ring Material Alloy Steel Rolling Element Material Alloy Steel Rolling Element Rows 1 Seal Type Contact Shaft Locking Type Set Screws