4 Bolt Flange Bearing, Back Side to Center Width 0.906 in, Bearing Insert Material Stainless Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 1/2 in, Bore Type Cylindrical, Closure Double Sealed, Housing Material Polymer, Housing Type Square, Included Bearing SUC208-24FG1, Lubricant Material FDA/USDA-H1 Solid Grease, Maximum Speed 3,300 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -4 Degrees F, Mount Hole Center-to-Center Height 4 1/64 in, Number of Mount Holes 4