4 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Radial Ball Bore Diameter 40 mm Bore Type Cylindrical Closure Double Sealed Housing Material Cast Iron Housing Type Square Included Bearing UC208-40MM Lubricant Material NLGI #2 Equivalent Maximum Temperature 120 Degrees C Minimum Temperature -40 Degrees C Mount Hole Center-to-Center Height 101.9 mm Number of Mount Holes 4 Overall Height 130.1 mm Overall Length 130.1 mm Overall Width 51.1 mm