4 Bolt Flange Bearing Back Side to Center Width 0.657 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 5/8 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Square Included Bearing A-UC202X-010D1 Lubricant Material NLGI #3 Equivalent Maximum Speed 7 800 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 2.125 in Number of Mount Holes 4