Wholesale Price China Miniature Bearings - Spherical Bearing – Sunshow
Wholesale Price China Miniature Bearings - Spherical Bearing – Sunshow Detail:
Outer spherical bearings are preferentially suitable for occasions that require simple equipment and parts, such as agricultural machinery, transportation systems or construction machinery.
It is mainly used to bear the combined radial and axial load based on the radial load. Generally, it is not suitable to bear the axial load alone. This type of bearing can be installed with an inner ring (with a full set of rollers and retainers) and an outer ring separately. This kind of bearing does not allow the shaft to be tilted relative to the housing, and additional axial force will be generated when the radial load is used. The size of the axial clearance of this kind of bearing has a great influence on whether the bearing can work normally. When the axial clearance is too small, the temperature rise is higher; when the axial clearance is large, the bearing is easy to be damaged. Therefore, special attention should be paid to adjusting the axial clearance of the bearing during installation and operation, and pre-interference installation can be used if necessary to increase the rigidity of the bearing.
Spherical ball bearing with seat
The outer spherical bearing with a seat is a bearing unit that combines a rolling bearing with a bearing seat. Most of the outer spherical bearings are made of a spherical outer diameter, and are installed together with a bearing seat with a spherical inner hole. The structure is diverse, and the versatility and interchangeability are good.
At the same time, this type of bearing also has a certain degree of alignment in design, is easy to install, and has a dual-structure sealing device that can work in harsh environments. The bearing seat is generally formed by casting. Commonly used seats include vertical seat (P), square seat (F), boss square seat (FS), boss round seat (FC), diamond seat (FL), ring seat (C), slider seat, etc. ( T).
The outer spherical bearing with seat is divided into the bearing core and the bearing seat. In the name, it is called the bearing core plus the bearing seat. For example, the outer spherical bearing with set screw UC205 with vertical seat is called UCP205. Because of the strong interchangeability of the outer spherical bearing with seat, the bearing core can be assembled in the same specification and different shape bearing seat at will.
The outer spherical ball bearings can be divided into three categories according to the method of cooperation with the shaft:
1. The code name of the outer spherical ball bearing with top wire is: UC200 series (light series), UC300 series (heavy series), and deformed product UB (SB) 200 series. If the application environment is small, usually choose UC200 series, and vice versa. Choose UC300 series. Usually there are two jack wires on the outer spherical ball bearing with an angle of 120°. Its characteristic is that when working with the shaft, the jack wires are used to push on the shaft, and then have a fixed effect, but the cooperation Environmental demands must have a small scale of oscillation. This kind of outer spherical ball bearing is widely used in textile machinery, ceramic machinery and other manufacturing occupations.
2. Tapered outer spherical ball bearings The codes are: UK200 series, UK300 series. This type of outer spherical ball bearing has an inner diameter of 1:12 with a taper inner hole. It should be used in cooperation with an adapter sleeve. The characteristic of this type of outer spherical ball bearing is: it can accept a larger diameter than that of an outer spherical ball bearing with a top wire. load. Because the inner diameter of the same type of adapter sleeve with top thread is smaller than that of the outer spherical ball bearing with top thread, for example, the inner diameter of the top threaded outer spherical ball bearing UC209 is 45mm, and the diameter of the shaft used in cooperation with it is 45mm, and if If you change to a tapered outer spherical ball bearing, you can only choose an adapter sleeve with an inner diameter of 45mm, and the tapered outer spherical ball bearing that cooperates with a 45mm adapter sleeve is only UK210 (of course, if it fits higher, you can choose UK310). As a result, the fit accepted by UK210 is much larger than that of UC209.
3. Outer spherical ball bearings with eccentric sleeves. The codes are: UEL200 series, UEL300 series, SA200 series. The main feature of this type of outer spherical ball bearing is that one end of the bearing has a certain degree of migraine, and a migraine sleeve with the same degree of migraine cooperates with it. This type of bearing can also be said to be a special bearing. Because it is mainly used on agricultural machinery (harvesters, straw returning machines, threshers, etc.), such outer spherical ball bearings are mainly used in layouts with relatively strong beating. The cooperation of the layout can effectively reduce the strong beating.
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