sliding contact bearings GE10C GE10 C GE12 C
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What is a sliding contact bearing? Sliding contact bearings are components of many everyday household items. These components aid in rotating objects, such as a car’s or airplane’s axis. They also help smooth the motion of these objects. Here is a brief explanation of a sliding contact bearing and how it works. It is not only used in mechanical equipment but also everyday household items.
A significant advantage of sliding contact bearings is their low friction. They work best at temperatures between 350 and 400 degrees Celsius. While mineral oil is preferred, grease is an alternative because of its high viscosity. If grease is not an option, solid lubricants such as ion-plated lead or gold can also be used. This type of lubricant can also improve the performance of journal, rolling contact, and thrust bearings.
There are several other names for sliding contact bearings, such as plain bearings, sleeve bearings, and journal bearings. The rotating surfaces of these bearings are separated by a lubricant film that prevents friction and wears. In addition, the bushing is made of unique material, which can be bronze or white metal. These plain bearings fall into two broad categories: hydrodynamic and hydrostatic.
About sliding contact bearings
In rolling contact bearings, the contact between the bearing surfaces is rolling, not sliding contact as in sliding contact bearings. Ordinary sliding bearings start from static, almost metal-to-metal contact, with a high coefficient of friction. A significant advantage of rolling-contact bearings compared to plain bearings is their low start-up friction.
Ball and roller bearings consist of an inner ring mounted on a shaft or journal and an outer ring carried by the bearing.
shell or enclosure. There are balls or rollers between the inner and outer rings, as shown. Use multiple balls or rollers
And they are kept at the proper distance by the retainer so that they don’t touch each other. Retainers are thin strips, usually in two parts, that are assembled after the balls have been properly spaced. Ball bearings are used for light loads and roller bearings are used for heavy loads. Rolling contact bearings, depending on the load to be carried, are divided into: (a) radial bearings, and
(b) Thrust bearing.
Advantages of Rolling Contact Bearings
1. Low starting and running friction except at very high speeds.
2. Ability to withstand momentary shock loads.
3. Accuracy of shaft alignment.
4. Low maintenance cost, as no lubrication is required while in service.
5. Small overall dimensions.
6. Reliability of service.
7. Easy to mount and erect.
8. Cleanliness.