2 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 3/4 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Rhombus Included Bearing UC209-28 Lubricant Material NLGI #2 Equivalent Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Mount Holes 2 Overall Height 2 1/16 in Overall Length 7 13/32 in Overall Width 4.25 in Rolling Element Rows 1