2 Bolt Flange Bearing, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1/2 in, Bore Type Cylindrical, Closure Double Sealed, Housing Material Cast Iron, Housing Type Rhombus, Included Bearing ARFLU-1/2, Lubricant Material NLGI #3 Equivalent, Maximum Speed 7,800 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -20 Degrees F, Mount Hole Center-to-Center Height 3 in, Number of Mount Holes 2, Overall Height 2 13/32 in, Overall Length 3 27/32 in