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