Tapered Roller Bearing Cup Bore Diameter 4 11/64 in Compatible Cone Grainger Part Number 55PY10 Compatible Cone Manufacturer Part Number 5395 5578 5583 5584 Cup Width 1.437 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 4 13/16 in Overall Width 1.437 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Bore Diameter Tolerance +0 to 0.013 mm Housing Fillet Radius 3.3 mm