Tapered Roller Bearing Cone, Bearing Industry Number LM102949, Bore Diameter 1 49/64 in, Bore Type Cylindrical, Cage Material Pressed Steel, Compatible Cup Grainger Part Number 55PY91, Compatible Cup Manufacturer Part Number LM102910, Cone Width 0.78 in, Maximum Temperature 250 Degrees F, Minimum Temperature -40 Degrees F, Number of Rows One, Outside Diameter 2.756 in, Ring Material Alloy Steel, Roller Material Alloy Steel, System of Measurement Inch, Bore Diameter Tolerance +0 to 0.013 mm