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Introduction Of Spherical Roller Bearings

wallpapers Resource 2020-11-18
Spherical roller bearings have double-row rollers. The outer ring has a shared spherical raceway, and the inner ring has two raceways, which are inclined at an angle relative to the bearing axis. This clever structure makes it have self-aligning performance, so it is not easy to be affected by the angle of the shaft and the bearing box seat on the error or shaft bending. It is suitable for installation errors or shaft deflection caused by angle errors. In addition to the radial load, the bearing can also withstand the axial load acting in both directions.
 
Spherical roller bearings have cylindrical and conical bores. The taper of the conical cone bore is 1:30 and 1:12. This conical bore bearing is equipped with an adapter sleeve or a withdrawal sleeve. The tapered inner hole self-aligning ball bearing can be easily and quickly assembled on the optical shaft or the stepper shaft.
 
The models of spherical roller bearings are: spherical roller bearings (type 20000CC); spherical roller bearings with tapered bore (type 20000CCK); spherical roller bearings (type 20000CC/W33); spherical roller bearings with tapered bore (20000CCK/W33 type); Spherical roller bearings installed on the adapter sleeve (20000CCK+H type); Spherical roller bearings installed on the adapter sleeve (20000CCK/W33+H type) total 6 types.

 
1. Electric heating plate heating method
 
Place the bearing on a heating plate with a temperature of 100°C for a few minutes. This method is the simplest. For example, it can be turned over several times to make the bearing evenly heated, and the efficiency is high. This method can be used for both large and small spherical roller bearings;
 
2. Electric furnace heating method
 
Place the bearing in a closed automatic temperature control electric furnace for heating, uniform heating, accurate temperature control, fast heating, suitable for heating many bearings in a batch;
 
3. Induction heating method
 
The induction heater can quickly, reliably and cleanly heat the spherical roller bearing to the required temperature, which is especially suitable for the occasions where the inner ring is tightly fitted. Since only the inner ring is heated, the outer ring is rarely heated. This can be easier to install on the shaft, but also easy to install in the seat hole;

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