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 SB201-8G, Lubricant Material NLGI #2 Equivalent, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Mount Holes 2, Overall Height 1 5/64 in, Overall Length 3.875 in, Overall Width 2.25 in, Rolling Element Rows 1, Shaft Locking Type Set Screws