Spur Gear; 5-1/2" Pitch Diameter; 10 DP; 1" Face Width; Rough Bore; 55 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 1-1/2" Max Bore; 2-1/2" Hub Diameter; Steel

Spur Gear; 5-1/2" Pitch Diameter; 10 DP; 1" Face Width; Rough Bore; 55 Teeth; 14-1/2 Degree Pressure Angle; Yes Minimum Plain Bore; 1-1/2" Max Bore; 2-1/2" Hub Diameter; Steel; No Hardened Teeth

Spur Gear; 5-1/2" Pitch Diameter; 10 DP; 1-1/4" Face Width; Rough Bore; 55 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 2-1/2" Max Bore; 4" Hub Diameter; Steel

Spur Gear; 5-1/2" Pitch Diameter; 10 DP; 1" Face Width; Rough Bore; 55 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 2-1/8" Hub Diameter; Cast Iron