2 Bolt Flange Bearing, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 3/16 in, Bore Type Cylindrical, Closure Double Sealed, Housing Material Cast Iron, Housing Type Rhombus, Included Bearing ARFLU-1.3/16, Lubricant Material NLGI #3 Equivalent, Maximum Speed 4,900 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -20 Degrees F, Mount Hole Center-to-Center Height 4 19/32 in, Number of Mount Holes 2, Overall Height 3 9/32 in