2 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 Rhombus 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 2.5 in Number of Mount Holes 2 Overall Height 1 1/16 in Overall Length 3.25 in Overall Width 2 in