The difference between bearing 7205 and 6205

720 bearing 5 and 6205 bearing are not the same type of bearing.

7205 bearings belong to angular contact ball bearings, and 6205 bearings belong to deep groove ball bearings.

7205 angular contact ball bearings can withstand both radial and axial loads.

6205 deep groove ball bearings are mainly used to bear radial loads, and can also bear small axial loads, but when the radial clearance of the bearing is increased, it has the performance of a certain angular contact ball bearing, and can bear the combined load of radial and axial at the same time.

7205 is an angular contact bearing and is generally used in pairs. It is subjected to both radial and axial forces. It bears a large axial force. **Higher. Good gap adjustment ability.

6205 is a deep groove ball bearing that is subjected to both radial and axial forces. Less axial force is subjected to. **Low, poor gap adjustment ability.

The dimensions of both are the same, inner diameter 25, outer diameter 52 and width 15

7 is the angular contact ball bearing, 6 represents the deep groove ball bearing, mainly these two differences, the angular contact ball bearing is greater than the deep groove ball bearing can bear the axial force. Hope.

7205 is a tapered roller bearing, 6205 is a deep groove ball bearing, 7205 has the advantage of being able to bear loads in different directions, and the load capacity is also large, 6205 can only bear radial loads.

7205 belongs to class 7 tapered roller bearings, and 6205 is class 0 bearings, and it doesn't matter whatever.

7205 belongs to Class 7 tapered roller bearings, and 6205 is Class 0 bearings.

Centrifugal pump adjustment mode and energy consumption analysis (2) Keywords: String and parallel adjustment mode of pump When a single centrifugal pump cannot meet the conveying task, the parallel or series operation of centrifugal pump can be adopted. With two centrifugal pumps of the same model in parallel, although the pressure head does not change much, the total delivery flow rate is increased, and the total efficiency of the parallel pump is the same as that of a single pump; When the centrifugal pump is connected in series, the total pressure head increases, the flow rate does not change much, and the total efficiency of the series pump is the same as that of a single pump.

2.Analysis of energy consumption of pumps under different adjustment modes In the analysis of energy consumption under different adjustment modes, this paper only analyzes the two adjustment modes of valve adjustment and pump variable speed adjustment, which are widely used at present. Because the purpose of the parallel and series operation of the centrifugal pump is to improve the pressure head or flow rate, it is not used much in the chemical field, and its energy consumption can be analyzed in combination with Figure 2, and the method is basically the same.

First, the use is different.

Bearings: 6205 bearings are the most representative rolling bearings and are used in a wide range of applications. It is suitable for high-speed or even extremely high-speed transport, and it is very durable and does not require frequent maintenance.

It is used in precision instruments, low-noise motors, automobiles, motorcycles and general machinery industries, and is the most widely used type of bearing in the machinery industry. It mainly bears radial load, but can also bear a certain amount of axial load.

Bearing: 6305 bearing belongs to the deep groove ball bearing series, which is mainly used for transmission chain, industrial electromechanical, wrench, impact testing machine, filter press equipment, food sterilization, environmental protection and energy saving, drilling machine, pressure testing machine, vehicle lamp and other equipment.

Second, the inner and outer semi-clever rolling diameters are different.

Bearing: inner diameter of 25mm; Outer diameter 52mm.

Bearing: inner diameter 25mm; Outer diameter 62mm.

Third, the thickness is different.

Bearing: Thickness.

Bearing: Thickness.

Encyclopedia-6205 bearing.

Encyclopedia-6305 Axis Slow Skin Bearing.

6206 bearing.

6 - bearing type, representing deep groove ball bearing; 2 - the width series is 2; 02 - means that the inner diameter is 15mm.

Its dimensions are: inner diameter 15mm, outer diameter 35mm, width 11mm.

Groove Ball Bearing (GB T 276—1994) The original list of radial ball bearings is the most widely used rolling bearing. Its special hole point is that the friction resistance is small, the speed is high, can be used to bear the radial load or the combined load of the radial and axial at the same time, can also be used to bear the axial load of the machine, such as low-power motor, automobile and tractor gearbox, machine tool gearbox, general machine, tools, etc.

Extended Material: Considerations.

The load of the ball bearing in the deep dry ditch is too small during operation, which will cause the ball to slide between the ball and the raceway, which will become the cause of abrasion. In particular, ball and cage weights have a tendency to have this tendency to have large leaky front type deep groove ball bearings. In many cases, bearings will corrode, and there are many reasons for bearing corrosion, and the most common factors in our daily life are the following:

1) Due to the poor sealing device, it is invaded by moisture and dirt;

2) The bearing is not used for a long time, exceeds the anti-rust period, and lacks maintenance.

3) The surface roughness of the metal is large;

4) Contact with corrosive chemical media, the bearing is not clean, the surface is dirty, or the bearing is touched with sweaty hands, after the bearing is cleaned, it is not packaged or installed in time, and it is exposed to the air for a long time, and is invaded and contaminated by air moisture;

5) Ambient temperature and humidity and contact with various environmental media; The rust inhibitor has failed or the quality is not up to standard.

The 6206 bearing is a deep groove ball shaft Haruno Cheng, and 62 represents the groove ball bearing.

06 represents the size, both the last two digits of the large object x 5 units mm

The specific ruler imitation shouting inch is 62mm in the outer circle, 30mm in the inner hole, and 16mm in thickness, and the specific size and parameters can be seen in the figure below

NSK6201 bearing.

Dimensional parameters. Bearing type Jingheng No.: 6201 bearing.

Bearing series: deep groove ball bearings.

Bearing brand: NSK bearing.

Inner diameter: 12mm

Outer diameter: 32mm

Thickness: 10mm

CR rated dynamic load (N): 6800

COR Static Load Rating (N): 3050

CR rated dynamic load (kg): 695

COR static load positive liquid (kg): 310

NSK6301 bearing.

Dimensional parameters. Bearing type bright clear number: 6301 bearing.

Inner diameter: 12mm

Outer diameter: 37mm

Thickness: 12mm

CR rated dynamic load (N): 9700

COR Static Load Rating (N): 4200

CR rated dynamic load (kg): 990

COR static load rating (kg): 425

The difference between 6204 bearings and 6303 bearings:

6204 bearing: means that the bearing has iron dust cover on both sides, and there are both sides, so you can't see the inside of the bearing;

6303 bearing: means that the bearing has a skeleton rubber sealing ring on one side, and only one side is belted.

Note: 2Z is only with iron cover on both sides, and 2RS refers to the skeleton rubber seal on both sides (contact type), good there is a -2RZ also refers to the skeleton rubber seal on both sides, but he is (non-contact), now it is common to replace 2RS with 2RZ. Bearing is an important component in contemporary machinery and equipment.

Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. According to the different friction properties of moving elements, bearings can be divided into two categories: rolling bearings and sliding bearings. Among them, rolling bearings have been standardized and serialized, but compared with sliding bearings, its radial size, vibration and noise are larger, and the highest is also higher.

Rolling bearings are generally composed of four parts: outer ring, inner ring, rolling element and cage, strictly speaking, it is composed of six parts: outer ring, inner ring, rolling element, cage, seal and lubricating oil. It mainly has an outer ring, an inner ring, and a rolling element, which can be defined as a rolling bearing. According to the shape of the rolling elements, rolling bearings are divided into two categories: ball bearings and roller bearings.

And 6408 is a different type of dust key bearing, their differences are as follows:

1.Dimensions: These three types of bearings have different outer and inner diameters. The first digit indicated by a number indicates the series of the bearing, and the following number indicates the size of the bearing, e.g. 6208 indicates a bearing with a series of 62 and its size is 08.

2.Load capacity: The load capacity of these three types of bearings is also different. In general, the larger the size of the bearing, the greater its load capacity. Therefore, the load capacity of 6308 is higher than that of 6208, and the load capacity of 6408 is higher than that of 6308.

3.Applications: These three types of bearings are suitable for different applications. 6208 bearings are commonly used in general industrial equipment and machinery, 6308 bearings are suitable for high-speed equipment, and 6408 bearings are suitable for larger loads and higher speed applications.

It is necessary to select the appropriate bearing type according to the specific application requirements and technical requirements. When selecting bearings, it is also necessary to consider factors such as the quality, materials, and lubrication methods of the bearings to ensure that the bearings can be dispatched and can meet the work requirements and have a long service life.

The first "6" indicates that the bearing type is a deep groove ball bearing; The second digit "2" and "3" are the bearing size series code, indicating the width series code 0 and the diameter series code 2 or 3; The third and fourth digits "07" are the bearing inner diameter code, indicating that the nominal inner diameter of the bearing is d=35mm.

There is only one difference between 6207 and 6307 is the different models.

According to the rolling bearing model code, professional and technical personnel can obtain some basic information of the rolling bearing, such as: load capacity, direction and nature; the maximum permissible speed reached; The rigidity of the bearing, the key factors such as the self-alignment performance and the installation error facilitate the subsequent selection of the bearing.

Bearing 6308 and 6310, the difference between them is that there is a difference in the size of their bearing, and there are some small differences in the shape.

Hello! 6805 bearings and 61805 bearings are two different bearing types. Their differences are mainly reflected in the following aspects:

1.Dimensions: The outer diameter, inner diameter and width of 6805 bearings and 61805 bearings may vary according to the manufacturer's design.

2.Scope of application: 6805 bearings are usually used in general industrial equipment, such as motors, yard cars, etc.

The 61805 bearing is mostly used in high-speed equipment, such as machine tools, fans, etc. 3.Origin & Brand:

6805 bearings and 61805 bearings may come from different manufacturers, and the brand and quality are also different. Consumers can choose the right brand according to their needs and trust when choosing. It should be noted that since the naming of the 6805 and 61805 shafts may be different, it is best to confirm the specific model and specifications with the seller or manufacturer at the time of purchase to ensure that you have selected the right product.