Pillow Block Bearing Base Height 0.594 in Base Width 1.5 in Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 7/8 in Bore Type Cylindrical Center Height 1 19/64 in Closure Open Housing Material Cast Iron Lubricant Material NLGI #3 Equivalent Maximum Speed 5 900 RPM Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Mount Hole Center-to-Center Length 4 1/8 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 2.689 in