Spur Gear; 18" Pitch Diameter; 3 DP; 3" Face Width; Rough Bore; 54 Teeth; 20 Degree Pressure Angle; Yes Minimum Plain Bore; 4-1/8" Max Bore; 6-1/2" Hub Diameter; Steel; No Hardened Teeth

Spur Gear; 3-15/16" Bore; 18" Pitch Diameter; 3 DP; 3" Face Width; Finished Bore; 54 Teeth; 20 Degree Pressure Angle; No Minimum Plain Bore; 4-1/8" Max Bore; 6-1/2" Hub Diameter; Steel; No Hardened Teeth

Spur Gear; 18" Pitch Diameter; 3 DP; 3" Face Width; Rough Bore; 54 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 4-1/8" Max Bore; 6-1/2" Hub Diameter; Steel

Spur Gear; 18" Pitch Diameter; 3 DP; 3" Face Width; Rough Bore; 54 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 3-1/4" Max Bore; 5-1/2" Hub Diameter; Cast Iron

Spur Gear; 18" Pitch Diameter; 3 DP; 3" Face Width; Rough Bore; 54 Teeth; 14-1/2 Degree Pressure Angle; Minimum Plain Bore; 5-1/4" Hub Diameter; Cast Iron