Angular Contact Ball Bearing for Steam Turbine-generators

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Shanghai
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TT OR LC
Min Order Qty:
10 PCS
Supply Capability:
200000 PCS/month

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Specifications

QJ238M Angular Contact Ball Bearing for steam turbine-generators
1.High precition and long life
2.high quality

QJ238M Angular Contact Ball Bearing for steam turbine-generators

 Angular contact ball bearings are particularly suitable for carrying combined (axial and radial) loads. Sometimes, they also can carry pure axial load and operate in higher speed. Under radial load, axial component force will be produced which must be counteracted. So the bearings are normally adjust against a second bearing.   

 

Four Points Angular Contact Ball Bearing product specifications
 

Bearing NO.Size(mm)weight(kg)
dDB
QJ206M3062160.24
QJ207M3572170.36
QJ208M4080180.45
QJ209M458519
QJ210M5090200.52
QJ211M55100210.77
QJ212M60110220.99
QJ213M65120231.2
QJ214M70125241.32
QJ215M75130251.45
QJ216M80140261.85
QJ217M85170282.25
QJ218M90160302.75
QJ219M95170323.35
QJ222M100180344.05
QJ224M120215406.95
QJ226M130230407.75
QJ228M140250429.85
QJ230M1502704512.5
QJ232M1602904815.5
QJ234M1703105219.5
QJ236M1803205220.5
QJ238M19034055
QJ244M22040065
QJ246N2M
QJ252N2M26048080

 

 

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 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

 

 

 

 

 

 

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Q:What is the transmission efficiency of plain bearings and rolling bearings?
The oil film also has a certain vibration absorption capacity. But the starting friction resistance is larger.The coefficient of friction of rolling bearings is smaller than that of sliding bearings, and the transmission efficiency is high.
Q:sliding bearing
Because the sliding bearing no noise, and is generally used for low speed and heavy load conditions, or maintenance and operation of the site maintenance and lubrication difficulties, rolling bearing noise, complex structure, high cost, the structure is not the same
Q:What are the components of plain bearings?
2 pairs of open radial sliding bearings (bearing housings, bearing caps, stud screws, threaded holes, oil holes, oil tanks, split bearings)
Q:What is the relationship between plain bearings, bearings and axle diameters?
Generally speaking, the shaft and the bush or the sliding bearing are relatively moving, and the bush or the sliding bearing is relatively static with the sitting hole or the bearing seatFrom the inside to the outside, the order is: the shaft, the innermost, the bush or the sliding bearing in the center, and the outside is the mounting hole or the bearing seat
Q:What are the main applications of plain bearings?
Plain bearings are mainly used in:Automobiles, motorcycles, hydraulic machinery,Metallurgical machinery, forging machinery, oil field machinery,Construction machinery, mining machinery, power facilities, etc.
Q:Can hydraulic oil be used in motor sliding bearings?
Do not ask where is the unit where I can, even the fan bearing box reducer is used in hydraulic oil, hydraulic oil because contains anti-wear and lubricating composition, but remember not and mixed with other lubricants
Q:Sliding bearing is a kind of friction bearing, according to its friction state can be divided into what?
The friction resistance of rolling bearings is small, and the load, rotation speed and work temperature are suitable for a wide range, and the standard partsA large number of special manufacturers, reliable quality, adequate supply, lubrication and maintenance convenience, but larger radial size, vibration and noise.As the mechanical efficiency of rolling bearings is higher, the maintenance of bearings is lower, so it is widely used in middle and low speed, as well as high precision requirements.
Q:How are the bearings heated and smoked handled 5
Brother, I did 14 years of mechanical maintenance, sliding bearings, heating, smoke, the most urgent treatment: 1. emergency shutdown. The sliding bearing heating smoke indicates that the clearance between the sliding bearing and the shaft is too tight, or that the grease / grease has impurities (metal scraps) and other things, and that it may be that the bearings have reached the service life and damaged. Maintenance may cause damage to the shaft if it is not shut down, so maintenance costs will be higher. 2. disassemble and repair the pump. Check what causes heat, smoke, cooling is a temporary solution, not only the pump will also heat, and may damage the whole pump. For example, check the running of the bearings, whether there is a deep scratch, or whether the shaft is worn, whether there is a foreign body. After confirming the cause, proceed "the right remedy"".
Q:Deep groove ball bearings are better than plain bearings Which one is better?
Deep groove ball bearings use more speed than Rongchang plain bearings, deep groove ball bearings can be used at a high speed.So deep groove ball bearings than Rongchang sliding bearings, but high speed, high precision.
Q:How is the sliding bearing (bushing) axially fixed? Ten
The sliding bearing (bushing) is axially fixed: 1. through interference fit. 2. step type sliding bearing fixing.

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