Bearing - a technical device, which is part of reliance, which supports the shaft axis or other construction, captures the situation in space, provides a rotation, swing or linear movement (for linear bearings) with the least resistance, takes and passes the burden on other parts of the structure. The main types of bearings - Anti-friction bearings - Sliding bearings - Gazostaticheskie bearings - Gas dynamic bearings - Hydrostatic bearings - Hydrodynamic bearings - Magnetic bearings