Cylindrical Roller Bearing , Chinese Factory NJ 2306 E China Supplier

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
100000 set/month

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Product Description:

Product Specifications:

Cylindrical roller and race for line contact bearing. Load capacity is big, mainly bear radial load .

1. Friction coefficient is small, suitable for high speed limit speed close to deep groove ball bearings

2.N and NU type axial movement, can adapt to shaft caused by thermal expansion or installation error and shell the change of relative position, can be used for free end bearing

3. On the shaft or hole of the processing and the demand is higher, bearing outer axis relative deflection after installation to be kept under strict control, so as not to cause contactstress concentration

4. Inner ring or outer ring separable, easy to install and remove

Specification

Model No.: NJ 2306 E

Brand Name: OEM

Size:30*72*27mm

Net weight: 0.528kg

Material: Chrome steel

Cage: Brass, Steel

Features:

1) Precision: P6 P5 P4 P2

2) Noise level: Z1, Z2, Z3, Z4

3) Vibration Level: V1, V2, V3, V4   

4) Clearance: C2, C3, C4     

5) Hardness: 58-63 HRC             

6) Greese: As your requirement, such as SRL, PS2, Alvania R12 and so on.

Packing

1.Industrial packing: box

2.Commercial packing: box then into standard carton/wooden Box

3.According customer's requirement

Payment

T/T, L/C, Western Union

Delivery time

About 3 to 5 working days

Services

Warrantee: 1 year

Samples: available

 OEM: available

Free technical support and after-sales service

Packaging & Delivery

Packaging Details:

plastics wrapping bearings - wrapping papers - polywoven bag - carton for outside package - wooden box /According to your order

Delivery Detail:

30-40days/according to your order

Product Applications:

 

Cylindrical roller bearings are widely used in machinery and equipment, electric power, steel, metallurgy, petroleum,

chemical engineering, machine tool, spinning, car, electrical machine, precise instrument,

mining machinery, construction machinery, engineering machinery, railway. 




Cylindrical Roller Bearing , Chinese Factory NJ 2306 E China Supplier

Cylindrical Roller Bearing , Chinese Factory NJ 2306 E China Supplier

Cylindrical Roller Bearing , Chinese Factory NJ 2306 E China Supplier

Cylindrical Roller Bearing , Chinese Factory NJ 2306 E China Supplier


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Q:What is the difference between the pre assembly method of double row cylindrical roller bearings and angular contact ball bearings?
Dissimilarity! The former is mainly used as the support of the shaft with larger load. The main prevention is the radial runout, which is usually used individually, so there is not much demand for the preload. The latter is mainly used as a precision screw shaft for the radial motion and axial runout requirements are very strict, generally used when they are two back-to-back, when pre tightening have strict requirements, general requirements for the radial motion and axial runout should not exceed 5 per thousand mm.
Q:Cylindrical roller bearingWhat are cylindrical roller bearings, are they available in Kunshan?
The utility model is suitable for occasions where the bearing requirement is higher.
Q:Can the cylindrical roller bearings bear axial force?
The answer upstairs is clear. Such bearings can not be designed with axial force. In use, the inner and outer rings of the bearing can have larger axial displacement, and the aim is to compensate the length change caused by the rotating part of the two bearing due to the temperature rise.
Q:How should I find the concentricity of cylindrical roller bearings after installation?
Any form of assembly, adjustment center is a very troublesome thing, but also in the measuring installation is not very complete, the usual method is to in the base below (or below) thin copper with different thickness, until you feel better, but each installation to re adjust.
Q:What are the materials of the homemade bearings / homemade Zhejiang Tianma cylindrical roller bearings / bearings?
Domestic bearings used in the cage and rivet and washer, spacer ring, sealing ring, pillar, pin etc. the material is divided into black metal materials (such as low carbon steel, stainless steel etc.), non-ferrous metal materials (such as brass, bronze and Aluminum Alloy etc.) and non metal materials (such as plastics, phenolic textolite three) etc..
Q:Does the thrust cylindrical roller bearing need a bearing seat?. Five
In general, this kind of bearing does not use the bearing seat
Q:Seek expert help: cylindrical roller bearings, grease injection, the operation of a short period of time, grease is thrown out, what is the reason, how to solve? Two hundred
I carefully read your question, I think the following talk about my views, this system from the point of view of the design, are questionable, at least the following several aspects of the design problem, put forward for reference only:1, the system does not have [oil seal], can only say that the design of the beginning of the consideration is somewhat lacking.2, [] general should choose roller bearing oil bath lubrication [], [] instead of grease, because the roller in the roller bearing [] [] in the grease, the grease has a strong crowding out of [], which leads to bad lubrication.3, [] grease generally rely on the mechanism of working temperature Shenglai improve grease liquidity, but need to have [] to seal and prevent the overflow of grease, no seal mechanism design [] summary, this place is only [] However, boundary lubrication, boundary lubrication [] [generally used for oil lubrication], [grease] rather than
Q:For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12
Hello, according to your descriptionCylindrical roller bearings NN3008-AS-K-M-SPAccording to the main dimensions of the DIN 5412-4 standard, non locating bearing, double row, with taper hole taper 1:12, can be separated, with cage, radial internal clearance decreased, tolerance limitInternal diameter D 40 mmOuter diameter D 68 mmThe thickness is B 21 mmDa Max 63 mmDb min 62 mmD1 50,6 mmDa min 45, mm, DS, 3,2, mmE 61, mmNS 4,8 mmRA Max 1 mmRmin 1, mmS 1,4 mmAxial offset from the center positionM 0303, kgqualityCr 45000, NBasic rated dynamic load, radialC0r 58500, NBasic rated static load radialNG Fett 12000 1/minLimit speed of grease lubricationNG l 15000 1/minLimit speed at least oil lubricationCur 8400, NFatigue limit load, radial
Q:Full use roller bearings
The service is applied to all axle box bearings, including FAG cylindrical roller bearings, spherical bearings and tapered roller NSK bearings. In addition, FAG industry services also provide support to customers in the rail industry who introduce maintenance management systems. INA bearing agent Chinese by helping clients improve internal maintenance procedures, F IS can enhance the data exchange between various departments, and clearly useless procedures, such as entry in IT system and database in different kinds of data. This reduces the cost of raw material management and speeds up maintenance activities. NSK it is very important for the effective maintenance management to install the bearing units rapidly and effectively in china. At the same time, the F IS offers a range of energy saving bearing heaters. Including the FAG Powertimken series induction heater, to enable customers to reduce the installation time of bearing, NSK bearings so as to shorten the downtime, instead of using the traditional heating method (oil bath heating stove, or board). FAG is a research and development partner and supplier of the world's leading Boeing 787 manufacturer. The quality, reliability and efficiency of Schaeffler's aviation bearings, INA bearings, price fits, and performance in extreme conditions, the INA bearing agent provides support for the international space navigation corporation. FAG's bearing technology is used on almost all modern aircraft.
Q:Full use cylindrical roller bearings, uses and advantages?
Full cylindrical roller bearings are designed to withstand heavy loads. At the same width, this kind of bearing, compared with the traditional belt cage bearing, has a very high carrying capacity, radial cross-section is small, it can save space, but the speed is relatively low.

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