Outer spherical ball bearing terminology and three categories

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Outer spherical ball bearing terminology and three categories

Source: China Bearing Network Time: 2013-06-19
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The outer spherical ball bearing of the outer spherical ball bearing is what we usually call the outer spherical bearing; the reason why it is called the ball bearing is that it belongs to the deep groove ball bearing; the inside of the rolling body is a steel ball. The outer spherical ball bearing is more common than the deep groove. The ball bearing is easy to use and its characteristics are mainly for loading and unloading, and it can be adjusted; the standard ball machine of the outer spherical ball bearing is: internal plus external reduction; the inner diameter adopts public service and then ensures the lightness when working with the shaft, each set of outer spherical surface The ball bearings are not used by themselves; they are all necessary to be equipped with the entire interior of the bearing housing; and the outer spherical bearing housings have various shapes, so all the cooperation is suitable for various layout orientations. The outer spherical ball bearings cooperate with the shaft. Methods can be divided into three categories:
First, the outer spherical ball bearing with the top wire is coded as: UC200 series (light series), UC300 series (heavy series), and deformation product UB (SB) 200 series; if the application of the environment is better than the 阊≡ UC200 series; The UC300 series is used. Usually, there are two top wires on the outer spherical ball bearing; the angle is 120°; the characteristic is that the top wire is used to top the shaft when cooperating with the shaft; then the fixing effect is achieved. However, the environmental requirements of its cooperation are necessary to oscillate a small scale. This kind of outer spherical ball bearings are more common; widely used in textile machinery, ceramic machinery and other production professions.
Second, the tapered outer spherical ball bearing code is: UK200 series, UK300 series. This kind of outer spherical ball bearing inner diameter is 1:12 share taper inner hole; when used, it should be used in cooperation with the tightening sleeve; The characteristics of the bearing are: it can accept a larger load than the outer spherical ball bearing with the top wire. The inner diameter of the same type of the adapter sleeve is smaller than that of the outer spherical ball bearing with the top wire; The inner diameter of the bearing UC209 is 45mm; the diameter of the shaft used in cooperation with it is 45mm, and if it is replaced with a tapered spherical ball bearing; only the adapter sleeve with an inner diameter of 45mm can be selected; and with the 45mm adapter sleeve The tapered outer spherical ball bearing is only UK210 (of course, if the fit is higher, the UK310 can be selected). Therefore, the acceptance of the UK210 is much larger than that of the UC209.
Third, the outer spherical ball bearing with partial pain is coded as: UEL200 series, UEL300 series, SA200 series. The first characteristic of such outer spherical ball bearings is that the upper end of the bearing has a certain degree of partial pain; the same degree of partial pain Cooperate with it. Such bearings can also be said to be special bearings; because they are mainly used in agricultural machinery (harvesters, straw returning machines, threshing, etc.); such spherical spherical ball bearings are mainly used in the layout where the beating is strong. The cooperation of the painful layout can be useful to cut strong beats.
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