NUP 304 E,China Supplier Cylindrical Roller Bearing Used Mower Wheels Bearings

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10 set
Supply Capability:
100000 set/month

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Product Description:

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Brand Name:


Bore Size:

20 mm

Outside Diameter:

52 mm

Model Number:

NUP 304 E

Precision Rating:

P0, P6, P5, P4

Seals Type:

open type

Number of Row:

Single row/ Double row

Place of Origin:

Jiangsu, China (Mainland)


Cylindrical Roller Bearing


standard export package


Nylon, Steel, Brass


Gcr 15

Precision rating:

P0, P6, P5, P4, P2

Number of row:

Single-row/ Double-row






Made in China

Product Specifications:

cylindrical roller bearing , 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 contact stress concentration

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

Packaging & Delivery

Packaging Details:Cylindrical roller bearing (1)Plastic bins +carton box+ wooden case + pallet (2) According to customers' requirements
Delivery Detail:5-30days according to the quantity and your request

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.

NUP 304 E,China Supplier Cylindrical Roller Bearing Used Mower Wheels Bearings

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 an reducer,rolling mill,the vibration

7. Customers' drawing or samples accepted

8. OEM service

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Q:What does "cylindrical roller bearing" ENV mean?
Cylindrical roller bearings, the basic model suffix ENV meaning:E: enhanced design with improved bearing load capacityN: the outer ring of the bearing is provided with a stopping grooveV: full installed roller (no cage)
Q:How to check the thrust cylindrical roller bearings?
This data is the minimum axial load, not the maximum axial load.
Q:Cylindrical roller bearings N216E and N216EM after the code name is different,
Hello, E on behalf of hanging behind the cage (black) steel cage; EM stands for copper holder.
Q:What is the function of the flat retaining ring of NUP cylindrical roller bearings with flat retaining rings?
Yes, the function of the flat ring is to bear the axial force and be used for axial positioning.
Q:Does the use of cylindrical roller bearings reduce the limit speed?
Cylindrical roller bearings, applicable speed can be very high, check all kinds of high speed motorized spindle bearing configuration will know.
Q:Cylindrical roller bearings standard 10
There is some doubt about your description. According to your internal diameter and external diameter, if the cylindrical roller bearings, the scroll is quite small. I don't see much of this kind of cylindrical roller bearing. Do you mean needle roller bearings? If needle roller bearings can be found, and HK2514/18 RS similar models.
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:I would like to ask again, cylindrical roller bearings prefix prefix code, what does that mean? Five
N outer ring without edge, inner ring double edgeRNU no inner ring, NU typeNUP outer ring, double retaining ring, inner ring, single edge, with flat retaining ringNF outer ring, single edge, inner ring, double edgeNO doesn't know
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: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.

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