2 Bolt Flange Bearing Back Side to Center Width 0.937 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 1/2 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Rhombus Included Bearing A-UC208-108D1 Lubricant Material NLGI #3 Equivalent Maximum Speed 3 700 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Mount Holes 2 Overall Height 4.125 in Overall Length 6 25/32 in