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 UC201-8S, Lubricant Material NLGI #2 Equivalent, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Mount Holes 2, Overall Height 2 15/64 in, Overall Length 3 57/64 in, Overall Width 1 7/32 in, Rolling Element Rows 1