4 Bolt Flange Bearing Back Side to Center Width 0.63 in Bearing Insert Material Stainless Steel Bearing Insert Type Radial Ball Bore Diameter 1 in Bore Type Cylindrical Closure Double Sealed Housing Material Stainless Steel Housing Type Square Included Bearing SUC205-16 Lubricant Material FDA/USDA-H1 Solid Grease Maximum Speed 5 100 RPM Maximum Temperature 250 Degrees F Minimum Temperature -20 Degrees F Mount Hole Center-to-Center Height 2.75 in Number of Mount Holes 4