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 SUC205-16FG1, 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