1, bearing its own length compensation
Supporting a shaft and bearings are normally fixed bearing and bearing structure of a combination of swimming. Free bearing compensation the length error and thermal expansion of the shaft.
NU-type and n-type bearings cylindrical roller bearings is ideal for walks, they themselves can compensate for length. Bearing inner and outer rings with a tight fit.
2, slide tie length compensation
Not bearing (such as deep groove ball bearings and roller bearings) but also for the free bearing. Such a tie in the two rings of the bearing and does not have axis to a fixed surface. Therefore, bearing one of ring on its seating can be active.
3, separable bearings (precision)
This is a ring of bearings can be mounted separately, when two rings are a tight fit, its advantages are highlighted.
Separable bearings includes the four-point contact ball bearings, double half inner ring of double row angular contact ball bearings, cylindrical roller bearings, tapered roller bearings, thrust ball bearings, cylindrical roller thrust bearing and thrust roller bearings.
Here which would introduce an inseparable bearing types:) not bearing: deep groove ball bearings, single row angular contact ball bearings, self-aligning ball bearings, Mr PANG Chun-hoi-roller bearings and spherical roller bearings.
4, bearing radial load
Main radial load bearing for radial spherical plain bearings. These bearings the nominal contact angle A0<=45 0. Rain roller bearing of the same larger than the ball bearings can accommodate radial loads.
N and NU-type cylindrical roller bearings can only accommodate radial loads, other types of radial bearings can accommodate radial loads, can also be subjected to axial loads.
5, bearing axial load
Principal bearings subjected to axial loads for thrust bearing, nominal contact A0>450 the corner of it. Thrust angular contact ball bearings and thrust bearings can afford one or two depending on the structure of the axial force. When subjected to special optimization of high thrust force cylindrical roller bearing and thrust roller bearings.
Spherical thrust roller bearings and single direction angular contact thrust ball bearings can also withstand axial and radial loads, other thrust bearings can only accommodate axial loads.



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