4 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 5/8 in Bore Type Cylindrical Closure Double Sealed Housing Material Zinc Die Cast Housing Type Square Lubricant Material NLGI #2 Equivalent Maximum Speed 5 000 RPM Maximum Temperature 200 Degrees F Minimum Temperature -30 Degrees F Mount Hole Center-to-Center Height 2.125 in Number of Mount Holes 4 Overall Height 3 in Overall Length 3 in Overall Width 1 1/64 in