Tapered Roller Bearing Cup Bore Diameter 2 29/32 in Compatible Cone Grainger Part Number 55PX71 Compatible Cone Manufacturer Part Number 3576 3578 3579 3580 3586 Cup Width 0.937 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 3 27/64 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 Standards ABMA