Pillow Block Bearing Base Height 1.094 in Base Width 2.905 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 2 15/16 in Bore Type Cylindrical Center Height 3 1/4 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 2 100 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 8.5 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 6.405 in