There is a contact angle between the ring and the ball. The standard contact angles are 15°, 30° and 40°. The larger the contact angle, the greater the axial load capacity. The smaller the contact angle, the more conducive to high-speed rotation. Bear radial load and unidirectional axial load. The two single-row angular contact ball bearings that are combined in structure on the back share the inner ring and the outer ring, and can bear radial load and bidirectional axial load.

The main purpose:

Single row: machine tool spindle, high frequency motor, gas turbine, centrifugal separator, front wheel of small car, differential pinion shaft.

 

Double row: oil pump, roots blower, air compressor, various transmissions, fuel injection pump, printing machinery.

 

 

 

This type of bearing is equipped with spherical rollers between the outer ring of the spherical raceway and the inner ring of the double raceway. According to the different internal structures, it is divided into four types: R, RH, RHA and SR. The center of the bearing is consistent and has self-aligning performance, so it can automatically adjust the misalignment of the shaft caused by the deflection or misalignment of the shaft or the casing, and can withstand radial loads and bidirectional axial loads.

Main uses:

papermaking machinery, reduction gear, railway vehicle axles, rolling mill gearbox seats, rolling mill rollers, crushers, vibrating screens, printing machinery, woodworking machinery, various industrial reducers, vertical self-aligning bearings with seats .

 

This type of bearing is equipped with truncated truncated rollers, which are guided by the large rib of the inner ring. The design makes the vertices of the inner ring raceway surface, the outer ring raceway surface and the conical surfaces of the roller rolling surface intersect at the center line of the bearing. point above. Single-row bearings can bear radial load and one-way axial load, and double-row bearings can bear radial load and two-way axial load, and are suitable for bearing heavy load and impact load.

Main use:

Automobile: front wheel, rear wheel, transmission, differential pinion shaft. Machine tool spindles, construction machinery, large agricultural machinery, gear reduction devices for railway vehicles, rolling mill roll necks and reduction devices.

 

4. Deep groove ball bearings

 

Structurally, each ring of a deep groove ball bearing has a continuous groove-type raceway with a cross-section of approximately one third of the ball's equatorial circumference. Deep groove ball bearings are mainly used to bear radial loads, and can also bear certain axial loads.

 

When the radial clearance of the bearing increases, it has the properties of an angular contact ball bearing and can bear axial loads alternating in two directions. Compared with other types of bearings with the same size, this type of bearing has a small friction coefficient, high limit speed and high precision, and is the preferred bearing type for users when selecting models.

Main uses:

automobiles, tractors, machine tools, motors, water pumps, agricultural machinery, textile machinery, etc.