| Customization: | Available |
|---|---|
| Certification: | ISO |
| Installation Method: |
Vertical |
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A dustproof bearing, also known as a dust-resistant bearing, is a specialized type of bearing designed to operate in dusty environments. The following is an introduction to it:
Structure and Components
Outer Ring and Inner Ring: Usually made of high-quality metal materials with high strength and wear resistance, which can withstand the forces and loads during operation. The surfaces of the outer and inner rings are machined with high precision to ensure a good fit with other components and the rolling elements.
Rolling Elements: Such as balls or rollers, which are the key parts for realizing the rotation function of the bearing. The rolling elements are made of materials with high hardness and good wear resistance, and their surface quality and dimensional accuracy directly affect the performance and service life of the bearing.
Sealing Devices: An important part to prevent dust from entering the bearing. It can be a rubber seal ring, a labyrinth seal structure, or a combination of multiple sealing methods. The sealing device is installed at the junction of the outer ring and the inner ring or at the end face of the bearing to form a reliable dustproof barrier.
Working Principle
Dust Exclusion: The sealing device of the dustproof bearing effectively blocks the entry of external dust. When the equipment is running in a dusty environment, the sealing structure can prevent dust particles from entering the internal space of the bearing along the shaft or other gaps, thereby reducing the wear and tear of the bearing components caused by dust.
Smooth Rotation: The rolling elements roll between the outer ring and the inner ring, reducing the friction coefficient during rotation and enabling the shaft to rotate smoothly. The dustproof bearing can maintain good running performance even in dusty conditions, ensuring the normal operation of the equipment.
Advantages
Long Service Life: By effectively preventing dust from entering, the wear and corrosion of the bearing parts are reduced, and the service life of the bearing is extended. This reduces the frequency of equipment maintenance and replacement of bearings, and saves costs and time.
High Reliability: It can operate stably in harsh dusty environments, ensuring the normal operation of the equipment and improving the reliability and stability of the equipment. This is very important for some key equipment that requires continuous operation, such as crushers, conveyors, and electrostatic precipitators.
Low Maintenance Cost: Due to its good dustproof performance, the need for frequent cleaning and lubrication of the bearing is reduced. At the same time, the probability of bearing failure is reduced, and the maintenance cost and labor cost of the equipment are saved.
Application Fields
Mining Industry: In coal mines, metal mines and other mining areas, a large amount of dust will be generated during the mining, transportation and processing of ores. Dustproof bearings can be used in various mining equipment such as crushers, mills, conveyors and fans to ensure the normal operation of the equipment and improve production efficiency.
Cement Industry: In the production process of cement, from raw material crushing, grinding to finished product transportation, a large amount of cement dust will be produced. Dustproof bearings are widely used in cement production equipment such as crushers, rotary kilns, ball mills and conveyors to adapt to the dusty environment and ensure the stable operation of the equipment.
Power Generation Industry: In thermal power plants, a large amount of coal ash and dust will be generated during the combustion of coal. Dustproof bearings can be used in power generation equipment such as pulverizers, fans and ash removal equipment to prevent dust from entering the bearings and affecting the operation of the equipment, and ensure the safe and stable operation of the power plant.
| model | Dusty bearing | Central bearing in central dust | Four wheel dust central bearing | Three -wheel vertical bearing | Old -style dust central bearing |
| Diameter (MM) | 40/50 | 60 | 40/50 | 40/50 | 40/50 |
| Central distance (mm) | 222~248 | 222~248 | 222~248 | 53.6 | 120 |
| Supporting vibration shaft diameter (MM) | 40/50 | 60 | 40/50 | 40/50 | 40/50 |
| Material | 45# cast steel | 45# cast steel | 45# cast steel | 45# cast steel | 45# cast steel |
| The thickness of the pad (MM) | 0.6~2.5 | 0.6~2.5 | 0.6~2.5 | 0.6~2.5 | 0.6~2.5 |
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