Sliding Contact Bearing GEZ44ES-2RS GEZ 101 ES/ES-2RS
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| Model | GE series |
| Name | Sliding contact bearing |
| Material | Bearing steel |
| Features | It can bear a large load. It is generally used for low-speed swing motion and low-speed rotation. It can also make inclined motions within a specific angle range. It can still work typically when the non-concentricity between the support shaft and the shaft shell hole is large. |
| Application | It is used in engineering hydraulic cylinders, forging machine tools, engineering machinery, automation equipment, automobile shock absorber, hydraulic machinery, and other industries, as well as low-speed swing motion, tilt motion, and rotation motion. |
It mainly consists of an inner ring with an outer ball and an outer ring with an inner ball. It can withstand a lot of loads. According to its different types and structures, it can bear radial load, axial load, or combined radial and axial load simultaneously. Plain bearings are generally used for low-speed oscillating motion (i.e., angular motion). Since the sliding surface is spherical, it can also perform tilting motion (i.e., centering motion) within a specific angle range. When the misalignment between the support shaft and the shaft shell hole is large, it can still work usually.
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.