• China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E System 1
  • China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E System 2
  • China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E System 3
China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E

China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E

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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 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.: NU 306 E

Brand Name: OEM

Size:30*72*19mm

Net weight: 0.370kg

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. 


China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E

China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E

China Supplier High Precision Cylindrical Roller Bearing ,High Precision Chinese Factory NU 306 E


Q:What are the differences between cylindrical roller bearings nu208m and nu208em?
E means "reinforced", "rolling", "thickening", "change", "change".. Hope to adopt!!
Q:Why cylindrical roller bearings can not bear axial load?.
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:What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?
What is called a semi convex roller, a fully convex roller, a logarithmic curve roller?Semi convex, convex roller is in plane roller axis, the outer surface of a continuous or discontinuous convex curved basic cylindrical or conical roller, to prevent the end of the roller and raceway contact stress concentration. The roller is generally defined as a convex roller and a modified roller.
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:In the car there is a cylindrical roller, the size of the diameter of 25mm, the outer diameter of 32mm, width of 9.5mm, who knows what the standard size, have direct purchase Mody, thank you!
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:Can the Nu and N type NJ NUP 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?
So, in the machining process, try to use special fixtures and parts drawing in tol and other measures to avoid such a remedy".
Q:How are the twin row cylindrical roller bearings classified?
Double row cylindrical roller bearings have cylindrical inner bore and conical inner bore (bearing rear code plus K) two structures. This kind of bearing has the advantages of compact structure, large rigidity, large bearing capacity and little deformation after load. It is especially suitable for spindle support of machine tools. The conical inner hole can also play the role of micro adjustment of the clearance, and can simplify the positioning device structure, and is convenient for installation and disassembly.
Q:How to calculate the clearance of bearings, such as 23226 double row cylindrical roller bearings
1, radial clearance: non preload, bearing radial load, the radial clearance of G for any angle along the radial direction, in the absence of external load relative to the outer ring inner ring from a radial eccentric limit position, move to the opposite limit position of the radial distance arithmetic mean.2, axial clearance: non preload, bearing can withstand axial load in two directions, the axial internal clearance of G: without external load, a ring relative to the other ring, from an axial limit position toward the average axial distance limit position opposite the.
Q:NSK cylindrical roller bearings EW/EM series of differences and characteristics
M international is called brass retainerThis can be a question, just ask, for reference only

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