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Optimization and Installation Requirements for the Internal Structure of Tuning Roller Bearing

The first reaction of the roller is the roller bearing. The core roller bearing is a kind of roller with double rows. There is a common spherical Raceway in the outer ring, and there are 2 raceways in the inner ring and the axis of the bearing is tilted into an angle. Roller bearings. It is this clever construction that makes it have automatic heart adjustment performance, so it is not easy to be affected by the angle of the axle and the bearing box base on the error or shaft bending. It is suitable for the situation where the installation error or the shaft flexing causes the angle error.

The inner hole of the core roller bearing has two kinds of cylindrical and conical, and the conical cone hole taper is 1:30 and 1:12. This conical inner hole bearing is accompanied by a compact sleeve or a withdrawal sleeve. It can be easily and quickly assembled on the optical shaft or ladder shaft by tapered inner hole adjusting ball bearings. Unlike other bearings, the aligning roller bearings can withstand two-way axial loads in addition to radial loads.

Since the centring roller bearing has a high radial load capacity, it is also particularly suitable for heavy load or vibration load, but can not withstand pure axial load. Because the outer ring Raceway of this type of bearing is spherical, its core adjustment performance is good and it can compensate for the coaxial error.

If the core roller bearings are distinguished according to the shape of the roller section, they can be divided into two different structures: symmetric spherical roller and asymmetric spherical roller. Of course, asymmetric core roller bearings are relatively early products, mainly for host maintenance services; But the internal structure of the symmetric core roller bearing has been completely improved and optimized. It can withstand greater axial load, and the operating temperature is low, which can adapt to the requirements of higher speed.

For self-adjusting roller bearings, the use of an intermediate mounting ring can prevent the outer ring from tilting and rotating when the bearing with shaft is loaded into the shaft hole of the box. It should be remembered that some sizes of self-adjusting ball bearings protrude from the side of the bearing, so the middle mounting ring should be concave to prevent damage to the ball.

For detachable roller bearings, the inner and outer rings can be installed separately, which simplifies the installation process, especially when the inner and outer rings need to be overmatched. When loading the shaft in place with the inner ring into the bearing box with the outer ring, care must be taken to see that the inner and outer rings are correctly aligned to avoid scratching the bearing raceways and rolling parts.

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