2 Bolt Flange Bearing, Back Side to Center Width 0.748 in, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 1/4 in, Bore Type Cylindrical, Closure Double Sealed, Housing Material Cast Iron, Housing Type Rhombus, Included Bearing UC207-104D1, Lubricant Material NLGI #3 Equivalent, Maximum Speed 4,200 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Mount Holes 2, Overall Height 3 17/32 in, Overall Length 6 11/32 in