Spur Gear; 12" Pitch Diameter; 12 DP; 3/4" Face Width; Rough Bore; 144 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 2" Hub Diameter; Cast Iron

Spur Gear; 1" Bore; 12" Pitch Diameter; 12 DP; 3/4" Face Width; Finished Bore; 144 Teeth; 14-1/2 Degree Pressure Angle; No Minimum Plain Bore; 1-13/16" Max Bore; 3" Hub Diameter; Cast Iron; No Hardened Teeth

Spur Gear; 12" Pitch Diameter; 12 DP; 1" Face Width; Rough Bore; 144 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 2-1/2" Hub Diameter; Cast Iron

Spur Gear; 12" Pitch Diameter; 12 DP; 3/4" Face Width; Rough Bore; 144 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 1-3/8" Max Bore; 2.96" Hub Diameter; Steel

Spur Gear; 12" Pitch Diameter; 12 DP; 1" Face Width; Rough Bore; 144 Teeth; 20 Degree Pressure Angle; Minimum Plain Bore; 1-11/16" Max Bore; 2-3/4" Hub Diameter; Cast Iron