Pillow Block Bearing Base Height 1.75 in Base Width 3.25 in Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 2 7/16 in Center Height 2.75 in Expansion Type Fixed Housing Material Cast Iron Included Bearing Non-Expansion M2000 Spherical Roller Lubricant Material Lithium Grease Maximum Speed 1 800 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 7.25 in