sealed roller bearing 23944-2CS of professional factory

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Shanghai
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TT OR LC
Min Order Qty:
500 PCS
Supply Capability:
200000 PCS/month
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TIANHE 2 23944-2CS sealed roller bearing are fitted with a large number of long symmetrical large-diameter rollers, capable of withstanding very heavy loads. Special structures of raceway surface as well as the best quality ensure spherical roller bearings the lowest friction including C and CA-bearing.

Compared with conventional spherical roller bearings, tianhe bearings run cooler. They are able to withstand heavier axial loads, or up to a higher speed.

 

23944-2CS sealed roller bearing Specification

 

Static250N/mm2

Max.Load
Dynamic140N/mm2
Oscillating60N/mm2
PVDry3.6N/mm2.m/s
PV limitOil50N/mm2.m/s
Temp.limit-195+280

 

Friction Coeff.0.030.20μ
Dry2m/s
Speep limitOil5m/s
Thermal conductivity2.41Kcal/M.br.c
Coeff. Of linear expansion27×10-6per 

FAQ:

Q:What's my consideration when I choose a bearing?

 A:- The type and size of bearing you need.

     - The quality or application you prefer.

 

Q: What's TIANHE bearing's advantage.

A: - Substantial inventory, unified quality control,save much cost and time for customers.

 

Q: What's your guarantee on quality problem?

A: - Free to change in 2 month and in your next order,10% value of order can be paid after receiving goods and checking out no quality issues.

 

Q: Can I be a distributor of TIANHE?

A: Of course you can.

 

Q:What are the benefits of being a TIANHE distributor?

A:-Special Discount

   -Marketing Protection

   -Priority Delivery than other orders.

   -Point to point technical supports and after sales services.

 

Q:How can I become a distributor of TIANHE?

A: Contact us immediately for further details by sending us an inquiry.

Packaging & Delivery

Packaging Details:in cartons or as per customer's requirements
Delivery Detail:25-30 days after getting the deposit

 

Q:I recently learned some knowledge of rolling bearings and journal bearings. Questions to ask the experts:1, sliding bearings for high speed, heavy load, then in reality, how many high speed, large load sliding bearings?2, in addition to the speed and load, rolling bearings and sliding bearings at the choice of, there are other considerations? Such as price.3, rolling bearings can withstand the maximum speed is generally how much? Such as 7000RPM or 10000RPM.Relatively superficial problem, may not ask the key point, but also ask you to forgive me, thank you!
The specific choice is usually to see the design needs. Plain bearings generally consider heavy loads or poor lubrication conditions.
Q:What are the types of plain bearings?
According to the types of lubricants can be divided into oil lubricated bearings, grease lubrication bearings, water lubricated bearings, gas bearings, solid lubrication bearings, magnetic fluid bearings and electromagnetic bearings 7 categories.
Q:Why can not the surface roughness of plain bearing surface be too high?
Because the process of start and stop, because of low speed shaft neck and sliding bearing contact friction generated, if the axis roughness is too large, it will increase the friction, easy to wear and sliding shaft bearing, so the shaft neck surface roughness is not too high.
Q:How is the normal operating temperature of the sliding bearing bush determined?
By rubbing test, simulation test can accurately know the normal working temperature, the temperature limit according to the general material temperature limit, the general theory and practical than the poor.
Q:sliding bearing
Sliding is tile, the ball is supporting the rotor ah, I suggest you go to the next two definitions, speed and load size, with what bearingsAskWhat if the rolling bearings on the bicycle were replaced by sliding bearings?Chasing the answerIf the modification is not up, ha ha, between the tile and the shaft at rest is at least half of direct contact, to work, to top up oil, have a certain pressure, then to work, but also with a similar pump shaft, ha ha
Q:What are the common sliding bearing bushing materials? What are the characteristics of each?
3) oily bearing: generally use bronze, cast iron powder, the amount of graphite pressing forming, sintered by high temperature porous material. It is often used in low or medium speed, light load and inconvenient lubrication.4) Niron. Commonly used nylon 6, nylon 66 and nylon 1010, nylon bearings with running and good, the debris after the soft surface does not hurt the shaft neck, corrosion resistance and other advantages, poor thermal conductivity, water will swell.
Q:What are the major damage forms of plain bearings?
A: the main types of damage to the pulley bearings are: 1, glued bearings overheating, excessive load, improper operation or temperature control system failure.2. Fatigue failure caused by unbalanced vibration, shaft deflection and edge load, overload and so on, lead to fatigue rupture of babbit. Bearing repair and installation quality is not high.3, because the grease dirt nap of large particles into the bearing gap, and embedded in the bearing bushings, bearing and shaft neck (or thrust plate) contact, hard callus formation on the surface, it will seriously scratch the shaft, bearing oil picking attention clean, especially in maintenance we should pay attention to, metal scraps or dirt and scratches due to wear clean lubricating oil mixed with impurities, dirt and foreign matter. The repair method is wrong and the installation is wrong. Improper use and maintenance, poor quality control.
Q:Fan relatively loud, on-line check found that rolling bearings are best not to oil, sliding bearings can be oiled.I was depressed, I do not know what the fan is bearing.. in fact, the whole hardware blind.Which prawns can say that? It's better to compare the pictures above.. ThanksYes, the video card fan is too loud.. Considering changing?..Originally, I had only a heat sink.. Nothing, but the temperature is too high and the recent game fan.Had to buy 30 yuan. Because of the rush to buy.. The size is not found. The quality is so bad.. A small fan, mounted on a radiator.. My other fans don't have any problems.
Did you buy the computer to make any request for the cooling fan? Or let him handle it for you?Most of them are regular fans, but according to my experience, the gas has improved significantly, but it will be back in one or two months, so you should probably change the fanIs your fan not stable and cause resonance to make noise? 30 yuan, though not much, should not be so bad
Q:What is Bush? What do you mean by scraping the Bush? How to operate?
1., rolling bearings are easy to use and maintain, reliable work, good starting performance, high bearing capacity at medium speed. Compared with plain bearings, rolling bearings have larger radial sizes, less vibration damping capacity, low speed and low noise.2., the part of the shaft supported by the bearing is called the journal, and the part matching the journal is called the bush. It is made up of a whole cylindrical Bush called a bushing
Q:What is the bearing force value, how to determine, how to adjust, what is the effect?
Bearing preload value of the end is lower level put a root diameter of 1mm length 100mm wire (A1, A2), motor or pump mechanical corresponding middle bearing upper same diameter and length of wire (B1), and then fasten the bearing shell and lid, with a screw tightening, then open remove the flat wire, so the bearing force value of s=b1- (a1+a2) /2, mm.

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