4 Bolt Flange Bearing Back Side to Center Width 0.752 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 3/4 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Square Included Bearing A-UEL204-012D1 Lubricant Material NLGI #3 Equivalent Maximum Speed 6 700 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Height 2.5 in Number of Mount Holes 4