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Working principle of ball bearings
Release time：
2023-09-21 08:43
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Ball bearings operate based on the principle of rolling contact, which is different from the sliding contact encountered in sliding bearings. The working principle involves the following concepts:
Rolling contact: When an external force is applied to the bearing, the ball rolls between the inner and outer rings. Compared to sliding contact, this rolling action significantly reduces friction, resulting in smoother rotation.
Raceway curvature: The inner and outer rings of ball bearings have carefully designed curved surfaces, known as raceways. These raceways ensure that the ball contacts at specific points, evenly distributes the load, and minimizes stress concentration.
Lubrication: The efficient operation of ball bearings requires appropriate lubrication. Lubricants can reduce friction, dissipate heat, and prevent wear and corrosion. Common lubricants include lubricating grease and oil, which are selected based on the speed, temperature, and load requirements of the application.
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The causes of rolling bearing heat and its elimination methods
Bearing precision is low: choose the specified precision grade bearing. Spindle bending or box hole is not centered: repair the spindle or box.
Dismantling of bearings is carried out for regular maintenance and bearing replacement. After disassembly, if the bearings continue to be used, or if it is necessary to check the status of the bearings, the disassembly should be carried out with the same care as when they are installed.
In general, regular manufacturers of brands have their own specialized designers to design the packaging, and production conditions to arrange for the production of factories to produce production, therefore, the packaging of the product from the line to the color block should be very clear, unambiguous.
Working principle of ball bearings
Ball bearings operate based on the principle of rolling contact, which is different from the sliding contact encountered in sliding bearings. The working principle involves the following concepts:
The external dimension is the determining factor for selecting rolling bearings (whether they are ball or roller type).By standardizing the design of installable roller and ball bearings, designers must determine the required size based on the required envelope size.
What is the difference between tapered roller bearings and ball bearings?
Like all roller bearings, tapered roller bearings have linear contact, while ball bearings have point contact. Line contact has higher load-bearing capacity, while ball bearings have higher speed capacity.
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