Pillow Block Bearing, Base Height 0.75 in, Bearing Insert Material UHMW Polyethylene, Bearing Insert Type Sleeve, Bore Diameter 1 in, Center Height 1 7/16 in, Housing Material UHMW Polyethylene, Maximum Speed 3,500 RPM, Maximum Temperature 180 Degrees F, Minimum Temperature -60 Degrees F, Mount Hole Center-to-Center Length 4 in, Mount Type Bolt-Through, Number of Mount Holes 2, Overall Height 2.75 in, Overall Length 5.5 in, Overall Width 1.5 in, Self Lubricating Bearing Yes