1Bearing structure according to the type of classification:

Bearings can bear the load of their direction or different nominal contact angle, divided into:

1) radial bearings ---- mainly used to bear radial load bearing, the nominal contact angle from 0 to 45. At different nominal contact angle, is divided into: radial contact bearings ---- nominal contact angle of 0 radial bearings: radial angular contact bearings ---- nominal contact angle greater than 0 to 45 radial bearings.

2) Thrust bearing is mainly used for axial load bearing, the nominal contact angle greater than 45 to 90. According to the nominal contact angle is divided into different: axial contact bearings ---- nominal contact angle of the thrust bearing 90: Axial angular contact bearings ----nominal contact angle greater than 45 but less than 90 of the thrust bearing.

2 The rolling bearing according to the type, divided into:

1) The ball is rolling ball bearings
2) rolling roller bearings for the roller. Roller bearings by roller types, is divided into: ----cylindrical roller bearings are cylindrical roller roller bearings, cylindrical roller length and diameter ratio less than or equal to 3; Needle Roller Bearings --- - is a needle roller bearings, needle length and diameter greater than 3, but the diameter is less than or equal to 5mm; tapered roller bearings ---- rolling body is tapered roller bearings; self-aligning roller rolling bearing eleven are spherical roller bearings.

4 bearing aligning their work can be divided into:

1) Spherical roller bearings ---- is spherical, and can adapt to the two roller angular deviation between the axis line and the angular motion of the bearing;

2) non-self-aligning bearing (rigid roller bearing )---- can impedance offset angle between the axis of the bearing.
 



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