4 Bolt Flange Bearing, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 1/4 in, Bore Type Cylindrical, Closure Double Sealed, Housing Material Polymer, Housing Type Square, Included Bearing ZUCFPL206-20, Lubricant Material FDA/USDA-H1 Solid Grease, Maximum Speed 4,300 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -2 Degrees F, Mount Hole Center-to-Center Height 3 17/64 in, Number of Mount Holes 4, Overall Height 4 13/64 in