Heavy Duty JT72 Custom Bevel Gears and Right Angle Gearboxes main components with international standard materials: The main components are Spiral Bevel Gears: alloy steel material, case hardened and lapped in pairs for intersecting shafts, low noise with grinded spiral teeth, high rigidity and wear risistance. Input Shaft and Output Shaft: hardened and tempered alloy steel material, hanging heavy load capacity, with key and keyway. Customized stainless steel, chromium coated or other corrosion resistance painting. Customized spline shaft, shaft without key and keyway. Housing: high rigidity cast iron, customized aluminum, stainless steel, galvanic coating or other corrosion resistance painting. Bearing: heavy duty on soild input shafts and output shafts, ball bearings on hollow input shaft for motor flange, customized reinforced bearings for higher radial and axial load.