Tapered Roller Bearing Cone, Bearing Industry Number 25877, Bore Diameter 1 3/8 in, Bore Type Cylindrical, Cage Material Pressed Steel, Compatible Cup Grainger Part Number 55PX30, Compatible Cup Manufacturer Part Number 25820, 25821, Cone Width 0.968 in, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 2.677 in, Ring Material Alloy Steel, Roller Material Alloy Steel, System of Measurement Inch, Dynamic Load Capacity 78.5 kN