NJ 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:

NJ 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.

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

Our Advantages:

1. Excellent and high quality control

2. Prompt delivery

3. Competitive price

4. Small order accepted 

5. Customers' drawing or samples accepted

6. OEM service



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Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

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:Cylindrical roller and bearing outer ring processing is sheet metal forming?
Rolling bearings are made by special bearing factories and manufactured by precision special machine tools. It is a highly specialized field in mechanical manufacture. Precision bearings are the key parts to determine the accuracy and operation of the machine. At present, China mainly relies on imports (such as Japan NSK bearings) in high precision bearings.
Q:Why are there no double row cylindrical roller bearings in the mechanical design manual?
but they move axially with the roller and the outer ring?If so, the cylindrical roller bearings without bearings on both sides of the bearing should be normal
Q:Gb/t283 cylindrical roller bearing age number?
Hello, it's 2007.GB/T 283-2007 roller bearings cylindrical roller bearings overall dimensionsStandard number: GB/T 283-2007Rolling bearings - cylindrical roller bearings - DimensionsRolling bearings - cylindrical roller bearings - DimensionsEnglish, Name:Rolling, bearings - Cylindrical, rolling, bearings - Boundary - Dimensions
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. So, in the machining process, try to use special fixtures and parts drawing in tol and other measures to avoid such a remedy".
Q:Why are cylindrical roller bearings suitable for traveling support?
Should be the inner ring and the outer ring without the edge of the can do moving 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.
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..Imported bearings are basically the same as those made in China. There are copper, steel, alloy and so on.
Q:Can cylindrical roller bearings bear high temperature?
Bearing is not high temperature grease is not high temperature, a grease temperature does not exceed 120 degrees, high temperature will lead to bearing lubrication performance, unable to work, in fact, the bearing itself can be high temperature resistant.
Q:Why can thrust ball bearings not sustain radial loads?
The thrust bearing retainer plate and two pieces of circular hole of the ball and the ball hole and shaft wear in the park, circular plate, steel ball track between two plate, shaft and the bearing seat of the top plate in the round two sides, in addition to the track groove, it is not binding the radial direction, so it cannot withstand the radial load.The radial bearing by the size of the two steel ring, steel ball size between steel ring, steel ring diameter fixed by a bearing seat, shaft mounted on a small steel ring, binding only in the radial direction and axial direction of the load is not binding, so it cannot withstand the axial diameter.
Q:Full use cylindrical roller bearings, uses and advantages?
Otherwise, due to lack of lubrication and high-speed operation will cause more wear and tear. I am a bearing

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