2 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 1 15/16 in Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Rhombus Included Bearing HC210-31 Lubricant Material NLGI #2 Equivalent Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Mount Holes 2 Overall Height 2 29/64 in Overall Length 7 15/32 in Overall Width 4 17/32 in Rolling Element Rows 1