Pillow Block Bearing Base Height 1.31 in Base Width 2.5 in Bearing Insert Material Alloy Steel Bearing Insert Type Tapered Roller Bore Diameter 1 15/16 in Bore Type Cylindrical Center Height 2.25 in Expansion Type Fixed Housing Material Ductile Iron Included Bearing Non-Expansion Timken Type E Tapered Roller Lubricant Material Lithium Complex Grease Maximum Speed 2 650 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F