The difference between deep groove ball bearings and angular contact ball bearings

Deep groove ball bearings

Deep groove ball bearings is Typical rolling bearings, widely used to withstand radial load and bidirectional axial load, suitable for high-speed rotation and low noise and low vibration occasions, with steel plate dust cap or rubber sealing ring sealed bearing pre-filled with grease, with a stop ring or flange bearing, easy to axial positioning, but also convenient for the installation of the outside and inside, the size of the maximum load bearing is the same as the standard bearing, but the inner and outer rings are filled with a groove, increasing the number of balls, increasing the rated load.

 

Angular contact ball bearings:

There is a contact angle between the ring and the ball, the standard contact angle is 15/25 and 40 degrees, the larger the contact angle, the greater the load capacity, the smaller the contact angle, the more conducive to high-speed rotation, the single row bearing can bear the radial load and the unidirectional axial load, the D combination, DF combination and the double row angular contact ball bearing can bear the radial load and the two-way axial load, the combination is suitable for the occasion that the one-way axial load is large, the rated load of the bearing is insufficient, the ball diameter is small, the number of balls is large, and most of them are used for machine tool spindles. In general, angular contact ball bearings are suitable for high-speed, high-precision rotation applications.

 

Deep groove ball bearings and angular contact ball bearings with the same inner and outer diameters and widths have different inner ring sizes and structures, while outer ring sizes and structures are different

1. Double shoulders on both sides of the outer channel of the deep groove ball bearing, while the angular contact ball bearing is generally a single shoulder;

2. The curvature of the groove of the outer ring of the deep groove ball bearing is different from that of the angular jointed ball, and the latter is often the former

3. The position of the groove of the outer ring of the deep groove ball bearing is different from that of the angular contact ball bearing, and the specific value of the non-center position is considered in the design of the angular contact ball bearing, which is related to the degree of the contact angle.

In terms of use:

1. The two are used differently, deep groove ball bearings are suitable for bearing radial force, small axial force, axial radial combined load and moment load, while angular contact ball bearings can bear a single radial load, larger axial load (with different contact angles), and duplex pairing (different with different pairing methods) can bear double sentence axial load and moment load.

2. The ultimate speed is different, and the ultimate speed of the angular ball bearing of the same size is higher than that of the deep groove ball bearing.

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