Gear and Gear Reducer The inter connecting gears are grease lubricated and made of EN 36 alloy steel, teeth hob cut & case carburized hardened for better wear life. This is of Indian Standard make Greaves Flender Elecon Shanthi Gears and is of horizontally mounted, parallel shaft, multi reduction, case hardened and ground helical gearing supported on heavy duty antifriction bearings. The case is steel fabricated stress relived and fully machined horizontally split design unit and carries Thrust Bearing inbuilt housing at output end.