NUP 304 E,China Supplier 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

Structure:

Cylindrical

Type:

Roller

Brand Name:

OEM

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)

Keyword:

Cylindrical Roller Bearing

Package:

standard export package

Cage:

Nylon, Steel, Brass

Material:

Gcr 15

Precision rating:

P0, P6, P5, P4, P2

Number of row:

Single-row/ Double-row

Certificate:

ISO9001:2000

OEM:

Acceptable

Original:

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:Is the nu240em cylindrical roller bearing split?
Cylindrical roller bearings are generally used to bear radial load, compared with deep groove ball bearings of the same size, with larger radial load capacity, speed limit is closer to the deep groove ball bearing, but the processing with the shaft and the bearing shell with high requirements, allow the inner ring and the outer ring axis axis inclination is small (2 degrees -4 two degrees), such as the axis is tilted beyond the limits, contact roller and raceway will worsen, seriously affect the load bearing capacity, reduce the service life of the bearing.
Q:NSK cylindrical roller bearings EW/EM series of differences and characteristics
E international is called "reinforced type" load, also means to increase rolling bodyW international is called a steel cage
Q:What are the differences between cylindrical roller bearings nu208m and nu208em?
E means "reinforced", "rolling", "thickening", "change", "change".. Hope to adopt!!
Q:What are full cylindrical roller bearings?
Full cylindrical roller bearingCommon cylindrical roller bearings1, single row full cylindrical roller bearingsNCFNJG2 、 double row full cylindrical roller bearingNNCLNNCFNNCNNFTwo, not common full cylindrical roller bearings1, full spherical cylindrical roller bearings2, CARB ring roller bearings
Q:Deep groove ball bearings 6120, self-aligning ball bearings 1210,
In these three bearings, the deep groove ball bearings roll with the bearing outer ring point contact, and the bearing outer ring contact surface is smallest. The self-aligning ball bearing and the outer ring of the bearing are double point contact, and the contact surface is slightly larger than the outer ring of the bearing.
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: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:For bearing type, no outer ring single row cylindrical roller bearings, bore 40, thickness 21, roller diameter 8, roller length 12
This is the outer ring and the inner ring can be separated, the bearings in the country can be produced, imported bearings are sold.Another model is up to your standard,Cylindrical roller bearings SL183008Semi position bearing, full cylindrical roller, dimension series 30M 0,31 kgqualityCr 66000, NBasic rated dynamic load, radialC0r 67000, NBasic rated static load radialCur 11200, NFatigue limit load, radialNG 6300, 1/minLimit speedNB 4300, 1/minReference speed
Q:What is the function of the flat retaining ring of NUP cylindrical roller bearings with flat retaining rings?
What is the function of the flat retaining ring of NUP cylindrical roller bearings with flat retaining rings?Used for more loose transition fit, so that the disassembly and assembly, to play an axial positioning and to bear axial thrust
Q:Why are there no double row cylindrical roller bearings in the mechanical design manual?
Normally, the inner diameter of the bearing should be in interference fit with the shaft (for some light loads, too, with a transition fit).

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