Tapered Roller Bearing Cone, Bearing Industry Number LM11949V1, Bore Diameter 3/4 in, Bore Type Cylindrical, Cage Material Pressed Steel, Compatible Cup Grainger Part Number 55PY97, Compatible Cup Manufacturer Part Number LM11910, Cone Width 0.875 in, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 1.634 in, Ring Material Alloy Steel, Roller Material Alloy Steel, System of Measurement Inch, Bore Diameter Tolerance +0.0008 to -0.0000 in