4 Bolt Flng Brg Taper Roll 3 7/16in Bore

4 Bolt Flange Bearing Bearing Insert Material Alloy Steel Bearing Insert Type Tapered Roller Bore Diameter 3 7/16 in Bore Type Cylindrical Closure Double Sealed Expansion Type Fixed Housing Material Cast Iron Housing Type Square Included Bearing RFB-307 Lubricant Material NLGI #2 Equivalent Maximum Speed 1 500 RPM Maximum Temperature 220 Degrees F Minimum Temperature -20 Degrees F Mount Hole Center-to-Center Height 7 in Number of Mount Holes 4 Overall Height 9 1/4 in