Three Characteristics Of Rolling Bearing Process
Three Characteristics Of Rolling Bearing Process
2021年12月19日
Combined Rolling Bearing Improves Spindle Speed
Combined Rolling Bearing Improves Spindle Speed
2021年12月19日

Type Of Plain Bearing

Type of plain bearing

Bearing is a rotary part supporting journal or shaft. Type Of Plain Bearing According to the working principle of bearing, it can be divided into rolling friction bearing (rolling bearing) and sliding friction bearing (sliding bearing).

Sliding bearing:

if a lubricating film can be formed on the surface of the sliding bearing to separate the surface of the moving pair, the Type Of Plain Bearing sliding friction can be greatly reduced. Since the surface of the moving pair is not in direct contact, wear is also avoided.

Type Of Plain Bearing Sliding bearing has large bearing capacity, high rotation precision and anti impact effect of lubricating film. Therefore, it has been widely used in engineering.

Type Of Plain Bearing The formation of lubricating film is the basic condition for the normal operation of sliding bearing. The factors affecting the formation of lubricating film include lubrication mode, relative motion speed of moving pair, physical properties of lubricant and surface roughness of moving pair.

The design of sliding bearing shall determine the structural type of bearing, select lubricant and lubrication method and determine the geometric Type Of Plain Bearing parameters of bearing according to the working conditions of bearing.

Type Of Plain Bearing

Characteristics of angular contact ball bearings

Angular contact ball bearing,

namely radial thrust ball bearing, can be loaded with more steel balls, its radial bearing capacity is greater than that of ordinary ball bearing, and can also Type Of Plain Bearing bear large axial load or pure axial load at the same time.

Its allowable working speed is similar to that of deep groove ball bearing and its support rigidity is stronger, but it requires Type Of Plain Bearing accurate installation and is very sensitive to axis misalignment error,

Generally, it does not need to bear the radial load alone, but it must bring additional axial load while bearing the radial load. This kind of bearing has many Type Of Plain Bearing variants and is widely used. It is often made into three series with 15 °, 25 ° and 40 ° contact angles. The larger the contact angle is, the higher its axial load capacity is. However, it is appropriate to use a small contact angle at high speed.

Most of these bearings are used in pairs for small-span rigid double support shafts or precision spindles. When Type Of Plain Bearing in use, the clearance should be carefully adjusted. By changing the axial distance between the inner and outer rings of the bearing, the internal clearance of the bearing can be adjusted.

Type Of Plain Bearing At the same time, several sets of bearings can be installed in parallel and given a certain pre interference, which can improve the rigidity of the bearing system.

A single bearing of this type

can only bear the axial load in one direction. At the same time, other bearings need to be configured to offset their additional axial forces. Type Of Plain Bearing When installed in pairs, their additional axial forces offset each other, and Type Of Plain Bearing they can bear the axial load of two forces upward, and have strong axial limit capacity in two directions,

Generally, two sets of bearings are installed in pairs, with their outer ring wide end face opposite Type Of Plain Bearing (back-to-back) or narrow end face opposite (face-to-face), in which the rigidity of the back-to-back installation bearing system.

In order to facilitate installation in pairs or groups, some bearing factories supply bearings in pairs, three sets in groups and four sets in groups. In this way, the processing consistency of the supplied bearings Type Of Plain Bearing in the same batch is good, the load is borne more evenly during use, and the additional axial forces offset each other more thoroughly.

This type of bearing can be divided into two types: separated type and non separable type. The separated type bearing is used Type Of Plain Bearing when the installation conditions are limited and the outer ring or inner ring is required to be removed from the whole set of bearings for separate installation.

Because the separated type angular contact ball bearing is widely used in magneto, it is also called magneto bearing. In this type of bearing, the locking port is on the Type Of Plain Bearing inner ring, which can be adapted to higher speed.