Tapered Roller Bearing Cone Bearing Industry Number 14138A Bore Diameter 1 3/8 in Bore Type Cylindrical Cage Material Pressed Steel Compatible Cup Grainger Part Number 55PX09 Compatible Cup Manufacturer Part Number 14272 14273 14274 14274A 14276 14277 14282 14283 14284 14299 Cone Width 0.771 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Number of Rows One Outside Diameter 2.48 in Ring Material Alloy Steel Roller Material Alloy Steel