CNC parts round linear guide rail SBR20 with linear block SBR20UU

CNC parts round linear guide rail SBR20 with linear block SBR20UU

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Deacriptions:

 Liner bearing is used in end supported applications, where spanning or bridging a gap is required.

They have the greatest range of industrial application. However, care must be taken to select a

shaft diameter to minimizes deflection. Precisely ground bearing track and plastic retainers

provide smooth and quiet performance. Seals at both ends keep out contaminants and retain

lubrication giving maximum travel life. The outer circumference of linear bearing is a cylindrical

shape with highest accuracy, and to use is possible over a wide range of applications.

A linear-motion bearing is a kind of bearing that aims at offering free motion in one dimension.

The structure of the liner motion bearing is that a retainer is built in the outer ring. And the

retainer is equipped with many steel balls doing infinite circulatory movement. Besides, the two

ends of the retainer are fixed with the spring collar. There is a side window in the straight track.

This section is allowing the loaded balls and the axis to do the rolling contact. These products can

move relatively under a very low coefficient of friction. Therefore, the linear motion bearings are

appropriate for many mechanical equipments, automation equipments, and energy-saving equipments,

etc.

Like many other kinds of bearing products, linear motion bearings have a quite wide range of application.

At present, they are more widely used in the electronics, machinery, equipment, robots, tools, food

machinery, packaging machinery, medical machinery, printing machinery, textile machinery, machine

tools, automobiles and many other mechanical industries.

There are various kinds of linear motion bearing. Generally, it can be divided into rolling-element

bearings and plane bearings. The former has the characteristics of smooth motion, low friction,

high rigidity and long life. It is quite easy to maintain and replace these products. The latter

category is very similar in design with the rolling-element bearings. They can perform on hardened

steel or stainless steel raceways.

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Why us

1.High speed, High Precision, Low Noise, Long Service Life
2.Wide Array of Applications
3.Large Inventories
4.Small order accept
5.Competitive Prices and High Quality
6.Various Brands
7.Require little maintenance 
8. OEM is supported 
9. Our company insists on the "quality first, credit first" business ideas and our product specification is well-founded. We have a good reputation in the international market by our perfect service and sufficient supply.

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