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What are ball bearings and roller bearings?
Release time：
2023-09-21 08:34
Source：
Ball and roller bearings are machine components used in various machines and equipment with rotating components. Their characteristics often make significant contributions to technological and economic progress in different engineering fields. The standardization of bearings allows for direct selection of designs from the bearing table in the manufacturer's bearing catalog. Companies such as SKF, NTN, NMB, TPI, Timken, FAG, Schaeffler, INA, etc. are natural sources of selected information. Most of the time, designers can directly select inventory bearing products for their designs from the catalog. Choosing a popular and widely used design helps achieve optimal availability and provides the most cost-effective solution.
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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.
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