BOSTON GEAR
GD77A CHANGE SPUR GEAR ; 16 DIA PITCH CAST IRON
Change Gear; 1" Bore; 6.417" Pitch Diameter; 12 DP; 3/4" Face Width; Finished Bore; 77 Teeth; 14-1/2 Degree Pressure Angle; 2.19" Hub Diameter; Cast Iron
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LINN GEAR
12CG77 CHANGE GEAR ; STEEL
Change Gear; 1" Bore; 6.417" Pitch Diameter; 12 DP; 3/4" Face Width; Finished Bore; 77 Teeth; 14-1/2 Degree Pressure Angle; Steel
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