The heart of an Eisenbeiss bevel gear system for bulb-type turbines is a bevel gear hard milled in a special process which ensures the very highest surface quality of the gear teeth. In conjunction with a housing designed for strength, this guarantees low levels of noise and vibration. The layout of the gear system precisely matches the particular application. The housing is cylindrical and has a circular flange that enables quick and easy mounting to the turbine housing. To ensure ease of maintenance, all the lubrication system components are mounted on the rear side of the gear unit where they are easily accessible.