N 304 E,Cylindrical Roller Bearing Used Mower Wheels Bearings

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

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Product Description:

Quick Details


Specification

Model No.: N 304 E

Brand Name: OEM

Size:20*52*15mm

Net weight: 0.151kg

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

5-30days according to the quantity and your request

Services

Warrantee: 1 year

Samples: available

 OEM: available

Free technical support and after-sales service

Product Specifications:


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 contact stress concentration

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

N 304 E,Cylindrical Roller Bearing Used Mower Wheels Bearings

Product Applications:


Cylindrical Roller Bearing Application Flied:Rolling Mills,Crusher,Mining 

Metallurgy Petroleum,Chemical Industry,Engineering Machinery,Port,Oil,Gas,

Wind,Agriculture,Lathe,CNC,Steel Works,Electrical Machinery,Axle/Limber,

Tractor,Autocar,Crude Oil Engine and so on.


Main Product Features:

1. Roller and groove for line contact or repairing referral contact, radial load capacity, applicable to withstand heavy load and impact load.

2. Small friction coefficient,suitable for high speed limits,to deep groove ball bearings.

3. Installation error caused by the relative position of the shaft and the shell, can make use of the supporting free.

4. For shaft or block hole machining the demand is higher,after installation invading.this bearing relative to strict control axis deflection,

5. Ring in separable,convenient in installation and removal.

6. Main purpose:Large motor vehicles,motorcycles,spindle,internal-combustion engine,generator,gas turbines and reducer,rolling mill,the vibration


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Q:For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12
Specific circumstances need to be further confirmed with your drawings.Reminder: please buy the product specifications and product quality guarantee, so as not to buy fake and inferior bearing products.Handmade, thank you for your adoption, and if you have any questions, please continue to ask.
Q:Full use roller bearings
INA full capacity roller bearings have many uses and many applications. Germany FAG bearing group global production of rolling bearings and linear products leading enterprises, not only FAG bearings of good quality, but more importantly, FAG industrial services. In order to extend the life of the railway axle box bearing unit, it is decided that the new FAG axle box bearing unit industry service will be added. We will go to Shanghai FAG bearing China general agent to learn about FAG new axle box bearing units, reprocessing industrial services and other industrial services. The FAG industrial services reprocessing service itself includes thorough cleaning of all bearings, as well as inspection of the dimensions and functions of the entire bearing units. Will re adjust the crankcase clearance, re lubrication SKF bearings, any wear parts will be replaced, if requested by the client, bearing data can also be recorded in the database, for future tracking and review.
Q:How to check the thrust cylindrical roller bearings?
This data is the minimum axial load, not the maximum axial load.
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:Cylindrical roller bearings, mounting dimensions, specific meaning? Twenty
I don't know what you mean. The size of NUP2311E is: inside diameter, 55mm, outside diameter, 120mm height: 43
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:What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?
The logarithmic curve roller is also a convex roller, which belongs to a full convex roller;The shape roller refers to a roller which has a slight modification to the diameter of the outer end of the roller to prevent the stress concentration at the end of the contact between the roller and the raceway.The corresponding types of bearings are cylindrical roller bearings and tapered roller bearings. Modified roller and convex roller have been widely used in domestic roller bearings, which can improve the service life of the products.
Q:Attention problems of cylindrical roller bearings
1. The installation of bearings must be carried out in a dry, clean environment. Before installation, the machined surface of the shaft and shell, the shoulder end, the groove and the joint surface shall be carefully inspected. All mating surfaces must be carefully cleaned and removed, and the cast surface must be clean. 2, before the installation of bearings, should be cleaned with gasoline or kerosene, dry after use, and ensure good lubrication, bearings generally grease lubrication, oil lubrication can also be used. Grease lubrication, grease, anti rust, extreme pressure and other excellent greases should be used. Grease filling capacity for bearings and bearing box volume of 30%-60%, should not be too much. Double row tapered roller bearing and water pump shaft bearing with sealing structure have been filled with grease, which can be used directly by users and can not be cleaned again. 3, bearing installation, must be applied equally in the circumference of ferrule end face pressure to press into the ring, and may not directly tap bearing end face to the top tool, so as not to damage the bearing. Small amount of interference in the case, at room temperature can be used to suppress sleeve bearing ring face, beating with a hammer sleeve, the sleeve will be pressed into the ring balance. If installed in large quantities, use hydraulic press. When pressing, the outer end surface of the outer ring and the outer shoulder of the shell face shall be ensured, and the inner ring end face is tightly pressed with the shoulder end of the shaft platform, and no gap is allowed.
Q:What kind of material is used for cylindrical roller bearings?
Products can be widely used in automobiles, motors, construction machinery, mining machinery, machine tools, metallurgy, textile, food, chemical and other enterprises. Our factory has Wuxi city Qikai bearing roller Co. Ltd.
Q:Why are cylindrical roller bearings suitable for traveling support?
Cylindrical roller bearings without inner sides of the inner ring or outer ring, whose inner and outer rings can be moved relative to the axial direction, so they can be used as free end bearings.

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