Characteristics and applicable occasions of ball race bearing!

ball race bearing are common parts used to support the shaft and the rotating parts on the shaft to maintain a certain load bearing and rotation accuracy, and reduce the friction and wear caused by the mutual rotation between the parts. According to the working nature of the bearing, it can be divided into rolling bearings and sliding bearings. ball race bearing are mainly used in environments that require high speed, heavy load, large impact load or particularly high requirements for bearing rotation accuracy.

1. Single row radial ball race bearing (radial bearings, deep groove ball bearings)

Bearing characteristics: can bear radial load, requires high rigidity of the main shaft;
Applicable occasions: on gearboxes and spindles.

2. Double row radial ball race bearing (self-aligning ball bearings)

Bearing features: It mainly bears radial load, has double-row balls, the outer ring raceway is inner spherical shape, has automatic centering performance, and can automatically compensate for the coaxiality error caused by deflection and shell deformation;
Applicable occasions: used in parts where the support seat hole cannot guarantee strict coaxiality.

3. Centripetal thrust ball race bearing (angular contact ball bearings)

Bearing characteristics: it can bear both axial load and radial load, and can also bear pure axial load. The limit speed is high. The maximum axial load that the bearing can bear is determined by the contact angle α. The larger the α, the better the ability to bear the axial load. bigger (α=15°α=25°α=40°).
Applicable occasions: Since angular contact bearings can only bear axial load in one direction, these bearings are used in pairs, such as on the spindle of machine tools.

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