Tapered bearing
October 28, 2021
Tapered bearing
Tapered bearing ring are widely used in the bearing field, including mining equipment, medical equipment, factory machinery and so on. Tapered roller bearing refers to the radial thrust rolling bearing with tapered roller as the rolling element. There are small cone angle and large cone angle. The small cone angle mainly bears the combined radial and axial load dominated by radial load. It is often used in double and installed in reverse. The inner and outer seat rings can be installed separately, and the radial and axial clearance can be adjusted during installation and use; According to different needs, Mobei network provides you with more bearing knowledge. There are many different variant States, including multi sealed double and four row tapered roller bearings. The personalized new design of the bearing is carried out, the traditional design method of the fully sealed bearing is changed, and the new sealing structure combining sealing and dust prevention is adopted to improve the sealing effect and sealing performance. Compared with the open structure bearing, the service life of multi seal double and four row tapered roller bearing is increased by 20% ~ 40%; Lubricant consumption is reduced by 80%.
1. One double row inner ring, two single outer rings and one outer ring spacer. The clearance depends on the spacer, which is set by the manufacturer. When you select the type, you should ask what clearance;
2. One double row outer ring, two single inner rings and one inner ring spacer. The clearance is the same as that set by the manufacturer; You can ask how much clearance you want, or directly ask the manufacturer to select the type for you;
3. There are two single outer rings, two single inner rings, and spacer rings (there may be external, internal, or both internal and external spacer rings). In fact, it is a double row composed of two single rows. The clearance also depends on the spacer ring, which is set by the manufacturer.
4. If there is no spacer, you can see that there are bolt like protrusions on the end face of the outer ring in the real object, ranging from 6 to 8. There are springs inside. This depends on the preload of on-site installation and end cover to control the clearance.
5. In addition, there is no spacer or spring protrusion, but there is a spring on the end cover, which is also the preload adjustment during installation. What structure you want depends on your design, your speed, bearing capacity, inner ring clamping or outer ring clamping, etc.
Generally, the taper angle of the outer race of single row tapered roller bearing is between 10 ° ~ 19 °, which can bear the combined action of axial load and radial load at the same time. The larger the cone angle, the greater the ability to bear axial load. For the bearing with large cone angle, the post code plus B, and the cone angle is between 25 ° ~ 29 °, it can bear large axial load. In addition, the single row tapered roller bearings can adjust the clearance size during the installation process.
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