Tapered Roller Bearing Cone, Bearing Industry Number HM212049, Bore Diameter 2 5/8 in, Bore Type Cylindrical, Cage Material Pressed Steel, Compatible Cup Grainger Part Number 1YTX9, Compatible Cup Manufacturer Part Number HM 212012, HM212010, Cone Width 1.51 in, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 4.567 in, Ring Material Alloy Steel, Roller Material Alloy Steel, System of Measurement Inch