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222220CA-W33 Spherical Roller Bearing

222220CA-W33 Spherical Roller Bearing
  • 222220CA-W33 Spherical Roller Bearing

222220CA-W33 Spherical Roller Bearing

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Company Advantages
1. Waxing double spherical roller bearing is manufactured by a team of qualified experts who work with determination. It offers a smooth linear motion with high precision
2. Most of the property developers praised that this product is outstanding and satisfying because it can ensure the strength and durability of the building projects that are constructed. It can show its good mechanical properties even at a high temperature
3. This product does not generate harmonics that have a great influence on the quality of the illumination. The LED driver circuit and the rectifier filter circuit are all improved. It has low torque capacity when starting and running
4. To a certain degree, this product has antibacterial effect to prevent the spread of disease at home. Its fibers prevent dust, pollen and bacteria from attaching to the surface. The product has good acceptable axial load capacity in both directions

Spherical roller bearing


Spherical Roller Bearings

Understanding the Basics of Spherical Roller Bearings

Spherical roller bearings (SRB) are popular because they can take very heavy loads and are self aligning. Their design allows them to take combined loads in both the radial and axial direction acting together. Each roller is loosely retained in place within a cage that goes full circle between the raceways. Figure 1 shows a simplified drawing of a spherical roller bearing on a shaft under deflection.

The shape of the rolling elements gives the bearings their name. The contact surface is the curved portion of a sphere and the curvature allows the carrying of axial loads. The axial load carrying capacity is less than that of an angular contact bearing but unlike angular contact bearings (unless paired back-to-back or face-to-face), SRB’s can take axial loads in both directions.

 

SRB’s permit misalignment between the inner and outer races. The bearing takes up the misalignment by allowing the rollers to pivot in the raceways. Because the bearing races can rock independently SRB’s cannot resist a moment load (a load that is acting to tilt or snap the shaft). Double row angular contact or taper roller bearing can be used in such situations.

 

Misalignment can arise from the operating load causing bending, it can also arise when bearing housings are not machined at a single setting and from the self-load of a shaft and attached components if bearings are mounted far apart. The fact they are forgiving of slight alignment errors makes them a good selection for equipment expected to experience vibration.

 

For vibrating machinery (e.g. vibrating screens) the bearings are provided with an extra guide ring that runs between the rollers along their inside ends and keeps them square to the race. This center guide increases the bearings working life by reducing roller chattering on the raceways.

 

The bearings come with factory set internal clearances and no preload is required. Preload is the purposeful application of a force on the bearing to insure the rollers a properly contacting the raceways. Because the clearances are factory set it is important to select the right bearing clearance for the application – especially where the bearing runs hot.

 

Insuring bearings are well lubricated is always a critical requirement. SRB’s can be lubricated by grease or by oil. In difficult service they will need extra attention to insure the lubrication is actually getting into the running area. To accommodate this, the larger sized bearings from the quality bearing manufacturers have a grease groove machined into the outside of the outer race with several grease holes through the race into the running area. Insure the bearing housing grease nipples are located directly over the grease groove.

 

If the bearing is oil lubricated in an oil bath insure the oil level always contacts the lowest roller as it comes around so the roller can splash lubricate its fellow rollers and the raceways. Do not over fill the oil bath because when the rollers come around they will have to force their way through the oil and this causes additional heat. The oil level should be no higher than midway up the most bottom roller as it comes around the raceways.

 

To insure the rolling elements will actually rotate as they come into the loading zone of the bearing there must be a sufficient minimum load. Since SRB’s cannot be preloaded the load must come from the shaft and the attached components. The bearing supplier can perform calculations to confirm the in-service bearing load. If the self-load is insufficient then an extra radial load will need to be applied. This can be by increasing belt or chain tension or purposely increasing the torque on the shaft.




Company Features
1. Zhejiang waxing electromechanical co.LTD. is a standard spherical roller bearing manufacturers manufacturer.
2. The core competitiveness for Zhejiang waxing electromechanical co.LTD. lies in its technology.
3. To provide the highest quality spherical roller bearing is our persistent mission to satisfy the customers and achieve the value of ourselves. Contact!
spherical roller bearing design ensures high reliability and a long service life of double spherical roller bearing. It has a working timing and personality time setting window
Our double spherical roller bearing have a wide range of material category, taking different processes. It guarantees perfect blending of ingredients by 100% processing of the bowl's contents
Compared with normal material, the remarkable advantages of material for spherical roller bearing prove that spherical roller bearing is the best.
From material selecting to material processing, Zhejiang waxing electromechanical co.LTD. finish independently. The rotation speed of the mixer is adjustable
Performance of double spherical roller bearing is significantly improved after Zhejiang waxing electromechanical co.LTD. start using spherical roller bearing manufacturers materials. It guarantees perfect blending of ingredients by 100% processing of the bowl's contents
The product is highly preferred by our clients for its competitive advantages of high quality, stable performance, strong practicality. It is built with motor overload protection
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