Insert Bearing Ball Material Alloy Steel Bearing Industry Number SUC209-28FG1 Bearing Insert Type Radial/Deep Groove Ball Bearing Insert Shape Spherical Bore Diameter 1 3/4 in Closure Double Sealed Lubricant Material Non-Relubricatable Maximum Speed 3 100 RPM Maximum Temperature 250 Degrees F Minimum Temperature -4 Degrees F Outer Ring Width 0.866 in Outside Diameter 3 11/32 in Plain Bearing Material Stainless Steel Ring Material Stainless Steel