2 Bolt Flange Bearing Back Side to Center Width 0.866 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 11/16 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Rhombus Included Bearing UC209-111D1 Lubricant Material NLGI #3 Equivalent Maximum Speed 3 500 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Mount Holes 2 Overall Height 4.25 in Overall Length 7 13/32 in