Analysis of the characteristics of angular touch ball bearings

Source: China Bearing Network Time: 2014-08-03

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Angular touch ball bearings are radial thrust ball bearings; because more steel balls can be loaded; their radial load can be larger than that of ordinary ball bearings; they can also accept large axial loads or accept pure axial loads; The working speed is close to the deep groove ball bearing and the support rigidity is stronger; but the demand device is accurate; it is sensitive to the misalignment of the axis; it is usually not used to accept the radial load alone; and the radial load is sure to bring the additional axis together. To the load. This type of bearing has many variations; it is widely used; it is often made into three series with 15Â°, 25Â° and 40Â° touch angles; the larger the touch angle is, the higher the axial load can be; It is advisable to use a small touch angle.
Most of these bearings are used for small-span rigid double-supported shafts or fine spindles; carefully adjust the clearance when using; change the axial spacing of the inner and outer rings of the bearing; adjust the internal clearance of the bearing; together Several sets of bearings are connected in parallel and give a certain amount of pre-interference; can improve the rigidity of the bearing system.
A single bearing of this type can only accept axial loads in one direction; together with other bearings to offset its additional axial force; when added to the device, the additional axial forces cancel each other; and can accept two forces upwards Axial load; and has a strong axial limit in two directions; paired devices usually use two sets of bearings with their outer ring wide end face opposite (back to back) or narrow end face opposite (face to face) two means; The back-to-back device bearing system is the most rigid. For easy pairing or grouping; some bearing plants supply pairs, three sets and four sets of bearings; Good; the load is more uniform when used; the additional axial forces cancel each other out completely.
This type of bearing is available in both separate and non-detachable types; the separate bearing is used to limit the condition of the device; the outer ring or the inner ring can be removed from the entire set of bearings to separate the device; Bearings are widely used in magneto-electric machines; so they are also called magneto-motor bearings. The types of locks on this type of bearings are on the inner ring; they can be adapted to higher speeds.

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