Pillow Block Bearing Base Height 0.511 in Base Width 1.889 in Bearing Insert Material Stainless Steel Bearing Insert Type Radial Ball Bore Diameter 1 1/2 in Bore Type Cylindrical Center Height 1 59/64 in Closure Double Sealed Housing Material Stainless Steel Lubricant Material FDA/USDA-H1 Solid Grease Maximum Speed 3 300 RPM Maximum Temperature 250 Degrees F Minimum Temperature -4 Degrees F Mount Hole Center-to-Center Length 3 1/2 in Mount Type Bolt-Through