Tapered Roller Bearing Cup Bore Diameter 4 19/32 in Compatible Cone Grainger Part Number 55PY19 Compatible Cone Manufacturer Part Number 6379 6386 Cup Width 1.75 in Maximum Temperature 250 Degrees F Minimum Temperature -40 Degrees F Outside Diameter 5 11/32 in Overall Width 1.75 in Ring Material Alloy Steel System of Measurement Inch Application Forestry Mining Steel Manufacturing Housing Fillet Radius 0.13 in Ring Material Grade 52100 Standards ABMA Static Load Capacity 380 kN