Five categories of bearing structure and performance characteristics

1. Thrust tapered roller bearings.
 1.1. Thrust tapered roller bearings has the rolling body with tapered roller, the structure of the rolling roller bus and bus washers bearing intersect the axis lines at a point, which can form the surface of pure rolling, speed higher than the thrust cylindrical roller bearings.
 1.2. Thrust tapered roller bearings can withstand a one-way axial load.
 1.3. Thrust tapered roller bearing type codes for the 90000 type.
 1.4. Thrust tapered roller bearings because the production is less, the plant has produced more than for the non-standard dimensions models, and standard dimensions of family, production of fewer varieties and thus there are no such present dimensions of bearing the introduction of national standards.

2. Axial angular contact ball bearings.
 2.1 Axial angular contact ball bearing contact angle of 60 ?is generally used in the thrust angular contact ball bearings are generally two-way thrust angular contact ball bearings, mainly used for precision machine tool spindles, usually with double row cylindrical roller bearings used in conjunction with, affordable, two-way shaft to the load, with high accuracy and good rigidity, low temperature, high speed and easy assembly and disassembly.

3. Double row tapered roller bearings.
 3.1 Double row tapered roller bearings are numerous; the most substantial is the 35000-type, with a double and two inner ring outer ring raceway, and divides between the two inner circles, circle change across the thickness of adjustable clearance. These bearings to support radial load at the same time affordable two-way axial load can be axial clearance in the bearing shaft and housing within the limit of axial displacement.

4. Tapered roller bearings.
 4.1 Tapered roller bearing type code 30000, tapered roller bearings for the separable type bearings. Under normal circumstances, particularly in the GB/T307.1-94 "Rolling bearings tolerance" are involved in the size range of the tapered roller bearing outer ring and inner components interchangeable between the uses of one hundred percent. The angle of the outer ring and the outer raceway diameter has been standardized with the same dimensions provided. Not allowed to change the design and manufacture as to make tapered roller bearings between the outer and inner components may be interchangeable in the world.
 4.2 Tapered roller bearings are mainly used to bear radial load mainly consisting of radial and axial load. Compared with the angular contact ball bearings, bearing capacity, low speed limit, tapered roller bearings can withstand axial load in one direction, shaft or housing to limit axial displacement in one direction.

5. Deep groove ball bearings.
 5.1 Deep groove ball bearings in the structure of each ring has a cross section of both the equatorial circumference of the ball about one-third of long continuous groove type raceway.
 5.2 Deep groove ball bearings are mainly used to bear radial load, but also bear certain axial load.
 5.3 When the bearing radial clearance increases, with the nature of angular contact ball bearing can withstand both directions alternating axial load.
 5.4 With the same size compared to other types of bearings, such bearings friction coefficient is small, extreme high speed, high precision, when a user selection of the preferred bearing type.
 5.5 Deep groove ball bearing structure is simple and easy to use, is the largest production volume, most widely used of a class of bearings.

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