What are the classification of spherical bearings?


Release time:

2023-09-04

1, the top wire outer spherical ball bearing code: UC200 series (light series), UC300 series (heavy duty series), deformation products UB(SB)200 series. If the use environment is suitable for small environments, generally choose the UC200 series, and vice versa. Then choose UC300 series. Usually there are two top wire on the outer spherical ball bearing, the included angle is 120 °. Its characteristic is that when it is matched with the shaft, it uses the top wire to support the shaft to play a fixed role, but its matching environment requires a smaller oscillation. This kind of spherical ball bearing is more common, widely used in textile machinery, ceramic machinery and other manufacturing industries.

2. Cone spherical ball bearing code: UK200 series, UK300 series. The inner diameter of this type of outer spherical ball bearing is a tapered bore with a ratio of 1:12. It must be used in conjunction with an adapter sleeve. The characteristics of this kind of outer spherical ball bearing are: can withstand greater load than the outer spherical ball bearing with top wire. Load. Because the inner diameter of the same type of set sleeve used with it is smaller than that of the outer spherical ball bearing with top wire. For example, the inner diameter of the UC209 outer spherical ball bearing with top wire is 45mm, and the diameter of the shaft used with it is 45mm. If it is replaced by a conical outer spherical ball bearing, only the adapter inner diameter of 45mm can be selected. The only conical outer spherical ball bearing matched with the 45mm tight sleeve is UK210 (of course, if the fit is higher, UK310 can be selected). As a result, UK210 accepts far more compliance concessions than UC209.

3. The codes of spherical ball bearings with eccentric sleeve are UEL200 series, UEL300 series and SA200 series. The main feature of this kind of outer spherical ball bearing is that the upper end of the bearing has a certain degree of eccentricity, and the eccentric sleeve with the same degree of eccentricity is used to match it. This type of bearing can also be said to be a special bearing, because it is mainly used in agricultural machinery (harvester, straw returning machine, thresher, etc.). This kind of outer spherical ball bearing is mainly used in the structure of strong beating, and the cooperation of eccentric structure can effectively reduce the strong beating.