Tapered Roller Bearing Cup Bore Diameter 3 7/32 in Compatible Cone Grainger Part Number 1YTW9 55PX74 Compatible Cone Manufacturer Part Number 3767 3775 3776 3777 3778 3780 3781 3782 Cup Width 0.937 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 3 43/64 in Overall Width 0.937 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 3.3 mm Ring Material Grade 52100