Tapered Roller Bearing Cup Bore Diameter 1 59/64 in Compatible Cone Grainger Part Number 55PX19 Compatible Cone Manufacturer Part Number 1755 1775 1779 1780 Cup Width 0.625 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 2 15/64 in Overall Width 0.625 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 1.3 mm Ring Material Grade 52100 Standards ABMA