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UCF UCP spherical bearing with seat 中文版

UCF UCP spherical bearing with seat

UCF UCP spherical bearing with seat UCF UCP spherical bearing with seat UCF UCP spherical bearing with seat
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  • Updated: 2022-05-27 15:38
  • About Product:The outer spherical ball bearing is actually a variation of The deep groove ball bearing. The characteristic is that The outer diameter surface of its outer ring is a sphere. Which can be fitted into the corresponding concave sphere of the bearing seat to play the role of centering.
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Introduction to the

Although its basic performance with deep groove ball bearings should be similar, but because of the bearing are mostly applied in mechanical rough, installation location is not accurate, the axis of the shaft with a hole to neutral, or under the condition of large axial length and deflection etc, and the bearing itself precision is not high, some structure is rough, so the performance of the actual performance comparison on the same specifications of the deep groove ball bearings to play quite a discount. For example, the outer spherical ball bearing with top wire is applied to the through shaft with large difference in stiffness and deflection. The bearing with sealing rings on both sides can strictly prevent the invasion of dirt, which has been loaded when leaving the factory

外球面轴承Outer spherical bearing

Proper lubricant, no need to clean before installation, no need to add lubricant, when the jacking screw on the protruding end of the bearing inner ring is tightened on the shaft, the allowable axial load shall not exceed 20% of the rated dynamic load.

The performance of the outer spherical ball bearing with eccentric sleeve is basically the same as that of the outer spherical bearing with top wire, except that the top wire is not on the inner ring, but on the eccentric sleeve. The inner hole of the outer spherical ball bearing is a cone hole with a taper of 1:12, which can be directly mounted on the conical shaft or mounted on the optical shaft without shaft shoulder with the help of a compact bushing, and the bearing clearance can be adjusted.

External spherical bearings are preferred for applications requiring simple equipment and parts, such as agricultural machinery,Transport systemOr construction machinery.

It is mainly used to bear the combined radial and axial load with radial load as the main part. Generally, it is not suitable to bear the axial load alone. This kind of bearing can be installed with inner ring (with full set of rollers and retainer) and outer ring respectively. This kind ofbearingNo inclination of the shaft to the housing is allowed, and additional axial forces will be generated under radial loading. The size of the axial clearance of the bearing has a great impact on the normal operation of the bearing. When the axial clearance is too small,Temperature riseHigher; 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. If necessary, it can be pre-loaded to increase the clearancebearingThe rigidity.

species

Outer spherical ball bearing with seat

Outer spherical bearing with seatIt is a kind of bearing unit that combines rolling bearing and bearing seat. Most of the outer spherical bearings are made of the outer diameter of the sphere, and the bearing seat with a spherical inner hole is installed together, the structure of various forms, versatility and good interchangeability.

At the same time, the bearing design also has a certain degree of centering, easy to install, with dual structure of the sealing device, can work in harsh environment. The bearing seat is generally formed by casting. Common seat has vertical seat (P), square seat (F), convex boss square seat (FS), convex boss round seat (FC), diamond seat (FL), ring seat (C), sliding block seat (T).

Outer spherical bearing with seat is divided into the bearing center and bearing seat, in the name of the bearing center plus bearing seat, such as with a fixed screw outer spherical bearing UC205 with vertical seat called UCP205. Because of the strong interchangeability of the outer spherical bearing with seat, the bearing center can be assembled in the bearing seat of the same specification and different shapes at will.

other

Outer spherical ball bearing with vertical seat

Outer spherical bearing with square seat

Outer spherical ball bearing with rhombic seat

Outer spherical ball bearing with lug boss round seat

Outer spherical ball bearing with ring seat

Outer spherical ball bearing with sliding block seat

External spherical ball bearing with suspended seat

Outer spherical ball bearing with suspension seat

Spherical ball bearing with adjustable rhomboid seat

Outer spherical ball bearing with stamping seat

Outer spherical ball bearing with other seats

Tear open outfit

39000 series outer spherical bearings are fixed to the bearing inner ring and shaft through an eccentric sleeve, and the inner hexagon screws on the eccentric sleeve are raisedTighten role. In the maintenance, many machine operators will not disassemble and install this bearing, so it is necessary to introduce the technical points and matters needing attention of disassembling and installing 390,000 series of outer spherical bearings:

Remove the

1. First loosen the locking screw on the bearing eccentric sleeve with an inner hexagon wrench, then insert the countersunk hole on the eccentric sleeve of the top cover with a small iron bar, and loosen the eccentric sleeve against the rotation direction of the shaft.

Loosen the bolts holding the bearing seat. Remove the bearing from the shaft together with the bearing seat. Before disconnecting the bearing seat at one end of the shaft, loosen the bearing seat bolts at the other end of the shaft so as not to damage the bearing at both ends.

The installation

1. Before installing the bearing on the shaft, the retaining pin of the bearing coat must be removed, the surface of the shaft neck shall be polished and cleaned, and the shaft neck shall be coated with oil, anti-rust and lubrication (the bearing shall be allowed to rotate slightly on the shaft).

2. Apply lubricating oil to the bearing seat and the bearing mating surface, and load the bearing into the bearing seat. The assembled bearing and bearing seat are then mounted on the shaft and pushed to the desired position for installation.

3. The bolts fixing the bearing seat should not be tightened first, but the bearing jacket should be able to rotate inside the bearing seat. Also installed on the other end of the same shaft bearing and seat, will turn the shaft several rounds, so that the bearing itself automatically find the correct position. Then tighten the bearing seat bolts.

4. Install eccentric sleeve. First, put the eccentric sleeve on the eccentric step of the bearing inner sleeve and tighten it with hands in the direction of rotation of the shaft. Then insert the small iron bar into or against the countersunk hole of the eccentric sleeve. Hit the small iron bar in the direction of rotation of the shaft with a hand hammer.

classification

Outer spherical ball bearings can be divided into three categories according to the cooperation method with the shaft:

1, with the top wire outside the spherical ball bearing code for :UC200 series (light series), UC300 series (heavy series), and deformation product UB(SB)200 series, if the use of the environment fit less, usually choose UC200 series, otherwise choose UC300 series. Usually, there are two top wire on the outer spherical ball bearing, and the included Angle is 120°. Its characteristic is that when cooperating with the shaft, the top wire is used to top the shaft, and then it has a fixed effect. However, it is necessary for the environmental requirements of its cooperation to have a small oscillation scale. This kind of outer spherical ball bearing is widely used in textile machinery, ceramic machinery and other manufacturing industries.

Two, with taper outside the spherical ball bearing code for :UK200 series, UK300 series. The inner diameter of this kind of outer spherical ball bearing is 1: 12 share of taper hole, when using, to cooperate with the tight set sleeve, the characteristics of this kind of outer spherical ball bearing is that it can accept a larger load than the outer spherical ball bearing with top wire. Due to its close set set of inner diameter of the same type of insert ball bearing units than covered wire, for example, with the top wire UC209 outer spherical ball bearing inner diameter of 45 mm, instead of the cooperative use of shaft diameter of 45 mm, but if if insert ball bearing units with tapered, can only choose the inner diameter of 45 mm set, and cooperation with 45 mm set set of insert ball bearing units with taper just got UK210 (of course if agree with higher can choose UK310). As a result, the fit accepted by UK210 is much larger than that of UC209.

Three, with eccentric sleeve outer spherical ball bearing its code name is :UEL200 series, UEL300 series, 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 bias, and the bias sleeve with the same degree of bias cooperates with it. This kind of bearing can also be said to be a special bearing, because it is primarily used in agricultural machinery (cutting machine, straw returning machine, thresher, etc.), this kind of outer spherical ball bearing is primarily used in the strong run-out of the layout, the cooperation of the biased layout can be useful to reduce the strong run-out.

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