2 Bolt Flange Bearing, Bearing Insert Material Alloy Steel, Bearing Insert Type Radial Ball, Bore Diameter 1 7/16 in, Bore Type Cylindrical, Closure Double Sealed, Expansion Type Fixed, Housing Material Cast Iron, Housing Type Rhombus, Included Bearing ARFLU-1.7/16, Lubricant Material NLGI #3 Equivalent, Maximum Speed 4,200 RPM, Maximum Temperature 250 Degrees F, Minimum Temperature -20 Degrees F, Mount Hole Center-to-Center Height 5 1/8 in, Number of Mount Holes 2, Overall Height 3 25/32 in