Pillow Block Bearing Base Height 0.75 in Bearing Insert Material UHMW Polyethylene Bearing Insert Type Sleeve Bore Diameter 5/8 in Center Height 1 7/16 in Housing Material UHMW Polyethylene Maximum Speed 5 000 RPM Maximum Temperature 180 Degrees F Minimum Temperature -60 Degrees F Mount Hole Center-to-Center Length 3 3/8 in Mount Type Bolt-Through Number of Mount Holes 2 Overall Height 2.187 in Overall Length 4.75 in Overall Width 1.5 in Self Lubricating Bearing Yes