4 Bolt Flange Bearing Back Side to Center Width 1.142 in Bearing Insert Material Stainless Steel Bearing Insert Type Radial Ball Bore Diameter 2 7/16 in Bore Type Cylindrical Closure Double Sealed Housing Material Stainless Steel Housing Type Square Included Bearing SUC212-39FG1 Lubricant Material FDA/USDA-H1 Solid Grease Maximum Speed 1 900 RPM Maximum Temperature 250 Degrees F Minimum Temperature -20 Degrees F Mount Hole Center-to-Center Height 5.625 in Number of Mount Holes 4