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Design considerations and choices depend on many considerations in specifying whether roller bearings or ball bearings are used in the design.
Release time：
2023-09-21 08:40
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Design considerations and choices depend on many considerations in specifying whether roller bearings or ball bearings are used in the design.
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. Standard ball and roller bearings comply with universal international standards and can be easily identified in the manufacturer's catalog. Manufacturers such as SKF, NTN, NSK, FAG, INA, NMB, TPI, etc. are some of the best resources with reliable quality.
It is crucial to consider and understand the environmental and internal temperatures of the application. The working temperature of the bearing device is caused by its own friction, the friction of the seals, as well as possible external sources and heat dissipation from adjacent components. Rolling bearings operate at low speeds and loads due to their low friction and low operating temperature. However, in many cases, due to other external heat sources in applications, the heat in roller bearings may be quite high. Some application examples include locomotive axle boxes, hammer mills, wire rolling mills, vibrating screens, planing machine tool shafts, bench drill spindles, horizontal boring shafts, circular saw shafts, support rollers for blooming and slab rolling mills, and hot strip rolling mills.
Determine the required load and speed in the application. Whether you need roller bearings or ball bearings, you must consider the size, load, and speed required for each application. The size limit can be determined by viewing the standard catalog part number. Once the size is determined, it is necessary to consider the rated load, speed, and operating environment. Different materials for manufacturing radial ball bearings and roller bearings can be specified for each operating environment.
The data in the catalog will be used to select the most suitable bearings, whether they are roller bearings, ball bearings, or tapered roller bearings. By contacting your bearing supplier, you can calculate the lifespan and complete the optimal bearing selection.
When searching for suitable roller or ball bearings, many factors need to be considered, and with the help of capable bearing experts, suitable bearings can be selected. It is important to find a bearing supplier with (CBS) certified bearing experts.
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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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