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 UELFLU-1/2M, Lubricant Material NLGI #3 Equivalent, Maximum Speed 7,800 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Mount Holes 2, Overall Height 2 13/32 in, Overall Length 3 27/32 in, Overall Width 1 21/32 in