PA3212Y-G Bevel Gear 36 teeth for use with PA3212Y-P mating bevel gear in 2:1 gear ratio applications Straight bevel 90 degree mesh transmits mechanical power between perpendicular shafts Pressure angle of 20 degrees for a lower contact ratio between gears, resulting in higher load capacity than smaller pressure angles ASTM A48 Class 30 gray cast iron for resistance to wear, corrosion, and galling Unhardened teeth for applications where hardness and strength are not needed to transmit torque and motion