The annular structure and the receiving means (8) form the bearing and the radial bearing is a sliding bearing, whereby means of the receiving element are arranged in a directly gliding manner on a wall of the annular structure.

The axial bearing is configured as a magnetic bearing and the radial bearing as an air bearing.

A thrust bearing is disposed between the upper journal bearing and the lower journal bearing.

The bearing element is provided with a bearing sleeve.

The bearing bore receives and supports the bearing.

The movable bearing (5) is a toroidal bearing.

  The bearing may be used as a thrust bearing.

The main bearing and the sub-bearing are used to support the crankshaft.

Bearing can be a sleeve bearing (20, 26).

The rotational bearing may be a spherical ball bearing or needle bearing for example.

The first bearing assembly, the second bearing assembly and the housing define an interior space.

The bearing (4) is interference installed in the bearing housing (5).

The pump chambers are arranged between the fixed bearing and the free bearing.

In addition, the downhole motor includes a bearing assembly including a bearing housing and a bearing mandrel rotatably disposed within the bearing housing.

The differential bearing disposed is between the differential case and the bearing mount.