Bearings
Bearings
The drive pinion is installed on three bearings, with a double row angular ball bearing (1) being used in the front area.
This offers the following advantages over a conventional prestressed tapered roller bearing:
- The reduced prestressing of the bearing reduces friction, which has a favorable effect on efficiency.
- The bearing remains unaffected by thermal expansion of the transmission housing.
- The employed double row angular ball bearing is a sealed bearing (clear bearing). No dirt (e.g. abraded material) enters into the bearing, which extends the service life substantially.
The two other bearings are cylindrical roller bearings, whereby the middle bearing is provided with a steel plate bearing support. This simplifies the design of the housing and the assembly process. The drive shaft is also installed on three bearings, in the form of a ball bearing (6) at the front, a cylindrical roller bearing (5) in the middle and a needle bearing (4) installed in the housing at the end of the shaft.