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Spherical Bearing

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China Spherical Bearing Suppliers

The outer Spherical Ball Bearing is what we usually call the outer Spherical Bearing. The reason why it is called ball bearing is that it belongs to Deep Groove Ball Bearing, and the rolling element in it is steel ball.


Deep groove ball bearing outer spherical ball bearing is convenient to use the main characteristics of simple for loading and unloading, self-aligning ball bearings, standard tolerances for internal and external diameter reduction, adding tolerances to ensure the shaft with the light; each set of ball bearings are not alone to use and he must match to bearing inside the whole machine, the outer spherical bearing are of various shapes so the overall fit for various structural position after use. The ball bearing of the outer sphere can be divided into three categories according to the way of matching with the axis.
Outer spherical ball bearing with top wire
Its code is: UC200 series (light series), UC300 series (heavy duty Series), and deformation products UB (SB) 200 series. If the environmental load is small, UC200 series should be selected generally, otherwise UC300 series should be selected. Generally, there are two top threads on the outer spherical ball bearing, the angle between them is 120 degrees. The characteristic is that when the shaft fits with the shaft, the top wire is applied to the shaft to play a fixed role, but the environmental requirements for its matching must have a small vibration range. This kind of spherical ball bearing is widely used in textile machinery, ceramic machinery and other manufacturing industries.
Spherical spherical ball bearing with taper
Its name is: UK200 series, UK300 series. The inner diameter of the outer spherical ball bearing is the taper hole with a ratio of 1:12. When used, it must be combined with the tight sleeve. The characteristics of this kind of outer spherical bearing are: it can bear more load than the outer ball bearing with top wire. Because the diameter matched with the locking set the same model than with the top wire outer spherical ball bearing small, such as with the top wire outer spherical ball bearing UC209 inner diameter is 45mm, and is matched with the diameter of the shaft is 45mm, and if if change into a tapered outer spherical ball bearing, can only choose 45mm diameter sleeve, and 45mm adapter sleeve with taper outer spherical ball bearing is UK210 (of course, if the load is higher then you can choose the UK310). As a result, the load on UK210 is much larger than that of UC209.
Spherical spherical ball bearing with eccentric sleeve
Its name is: UEL200 series, UEL300 series, SA200 series. The main characteristic of this kind of spherical ball bearing is that there is a certain eccentricity on the upper end of the bearing, and the eccentric sleeve with the same eccentricity is cooperated with it. These bearings can also be said to be a special bearing, because it is mainly in agricultural machinery (harvester, straw machine, threshing machine etc.) on the use of this kind of outer spherical ball bearing is mainly used to beat hard structure, combined with the eccentric structure can effectively reduce the dynamic jump violently.

Double layer seal
The outer spherical ball bearings than other ordinary bearings is a double seal, because the outer spherical ball bearing the use of environmental conditions are harsh, especially agricultural bearing even more, and the double sealing to ensure the dust is not easy to enter the channel within the last two years, some companies developed the outer spherical bearing three lip seal the more greatly enhance dustproof ability, prolonging the service life of the bearing.


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