Pillow Block Bearing Base Height 1.88 in Base Width 3.44 in Bearing Insert Material Alloy Steel Bearing Insert Type Tapered Roller Bore Diameter 2 3/4 in Bore Type Cylindrical Center Height 3 1/8 in Expansion Type Fixed Housing Material Ductile Iron Included Bearing Non-Expansion Timken Type E Tapered Roller Lubricant Material Lithium Complex Grease Maximum Speed 1 965 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 9 in