Pillow Block Bearing Base Height 1.38 in Base Width 2.19 in Bearing Insert Material Alloy Steel Bearing Insert Type Spherical Roller Bore Diameter 2 in Center Height 2.25 in Expansion Type Fixed Housing Material Cast Iron Included Bearing Non-Expansion M2000 Spherical Roller Lubricant Material Lithium Grease Maximum Speed 2 400 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 6.25 in Mount Type Bolt-Through