Needle Roller Bearing K 15X20X20 China Factory

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
900000 set/month

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Product Description:

Specifications:


Product

Best Price Needle Roller Bearing K 15x20x20

Precision Rating

ABEC1,ABEC3,ABEC5

Clearance

C0,C2,C3,C4,C5 is available

Sealed Cap 

Rubber or Metal

Paypal 

Acceptable

OEM

Accept

Vibration Level code

V1,V2.V3

Material

Gcr15

Seals Type

ZZ/ZRS.RZ/RS. Open

Mass

 0,0101kg

Bore Size

15 mm

Outside Diameter

20 mm

 Hign

16 mm

Regular export packing

Plastic drum+White box+ carton


industrial packaging or as your requirement

MOQ

1 pcs

Delivery Time

3-7 days after receiving your payment  

Payment Terms

L/C,T/T,Western Union

Port of shippment by sea

Shanghai,guangzhou,qingdao

Place of Origin

China

Samples

Available

Product Advantage:


1.High Precision  Needle Roller Bearing

2.ISO Standard Bearing 

3.High quality &competitive price 

4.Many famous brand is available 

5.Low Noise & Long life 


Our advantages:

 

1. Manufacturer,the most competive price and good quality

2. Perfect group of technical engineers give you the best support

3.Well-trained group of international sales provide the best service

4.OEM brand aviliable

5.Rich stock and quick delivery

Shipping:

1.Small quantity, can delivery by global express: DHL TNT FedEx ARAMEX EMS UPS.this is door to door.

2.Large quantity, can delivery by air, by sea, this is port to port.

 

Payment:

T/T, L/C, Money Gram, Payal, Western Union etc.

 

Lead Time:

Sample Lead-times: generally 3-5 workdays.
Production Lead-times: 3-5 days after get payment or as contract required

 

QC:


We have complete process for the production and quality assurance to make sure

our products can meet your requirement. And our quality can compare with the

most chinese famous bearing manufacture. we have the same technology. Such as 
1. Assembly
2. Windage test
3. Cleaning
4. Rotary test
5. Greasing and gland
6. Noise inspection
7. Appearance inspection
8. Rust prevention
9. Product packaging



Needle Roller Bearing K 15X20X20 China Factory

Needle Roller Bearing K 15X20X20 China Factory

Needle Roller Bearing K 15X20X20 China Factory

Needle Roller Bearing K 15X20X20 China Factory

Needle Roller Bearing K 15X20X20 China Factory

Needle Roller Bearing K 15X20X20 China Factory







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Q:Working principle of one-way needle roller bearings
One way needle roller has a spring in the lower part of the needle
Q:What is the bearing capacity of needle bearing and copper sleeve?
The copper sleeve and the shaft are surface contact, and the bearing capacity is large;The needle roller of needle roller bearing is several line contact, and it has less bearing capacity than copper sleeve;The sliding friction, friction force is large, suitable for low speed and heavy load, preferably with good lubrication, in static pressure under the condition of high speed, such as grinding machine is of high speed and heavy load static and vibration resistance than good bearing;The latter is rolling friction, and the transmission efficiency is higher, suitable for medium speed.
Q:Needle roller bearing model NK what does it mean?
Outer ring double block (or double lock ring) with cage, needle roller bearings NA, NKI, NA and NKI bearings without inner ring, that is, RNA, NK needle roller bearings
Q:Needle roller bearings are how to process the needle, so smooth finish?
The process of needle: blank forming, deburring, heat treatment, coarse and fine grinding, end rolling surface, super finishing rolling surface polishing or sawdust.For flat head or taper head needle roller, such as blank forming, it is difficult to guarantee the length and size tolerance, and the grinding double end process can be increased. If the convex generatrix rolling surface is needed, it can be carried out directly in the process of super finishing, rolling or channeling.Needle roller bearing (needlebearing) is a roller bearing with cylindrical roller, relative to its diameter, the roller is thin and long. This roller is called needle roller. Although it has a small section, the load bearing capacity of the bearing is still high, with thin and long needle bearing roller (roller diameter of D = 5mm, L/D = 2.5, L roller length), so the radial structure is compact, the minimum diameter of the diameter and load capacity and other types of bearings, bearing the same, especially for the radial installation size limited. According to the use of different occasions, can choose the inner ring of the bearing or needle roller and cage assembly, the shaft neck surface and the surface of shell holes matched with a bearing directly as the bearing inner and outer rolling surface, in order to ensure the load capacity and operating performance and have the same ring bearing, shaft or housing bore raceway surface hardness the machining precision and the surface quality of bearing ring raceway and similar. This kind of bearing can only bear radial load. The needle roller bearing for stamping outer ring is needle roller bearing with thin stamping forming outer ring.
Q:What are the needle roller bearings with an inner diameter of 14, an outer diameter of 20 and a width of 20?
Is the needle roller and cage assembly? Or with stamping outer ring needle roller bearings?
Q:Needle roller bearing is also called cam bearing?
Seems not.Cam bearings are also called roller bearings and bolt bearings.
Q:Roller needle roller bearings can be used directly as a wheel?
Yes, but it is not recommended.I. cost valueThe KR58 driven roller bearings are of great value. The purpose of the design is to maximize the effect with minimal cost, and the cost of the bearing is undoubtedly high. For example: ordinary 6306 bearings, a single bearing can withstand 1500 kilograms of weight, with 10 can be, the value of KR58 is much smaller.Two 、 operation flexibility and endurancePlain ball bearings are much more flexible than roller bearings. They are easy to purchase on the market, and it is easy to solve the problem of poor working conditions with bearings with sealed coversSome of the printing equipment is had to use this kind of bearing, the car to do this, put fine timber to petty use!!
Q:The difference between NK type and NKI type in needle roller bearings
Hello, I am a professional sales of bearings, NK40/20 bearings with inner ring called NKI35/20, NKI35/20 went to the inner ring is NK40/20. in the industry just code in different ways, the other the same, the difference is an inner ring with a ring. A thing, of course can be generic, the quality difference is negotiable. As you mentioned inside the needle is not the same, that is for sure, because the internal structure of each of the manufacturers are not the same, sometimes the size of the needles of different lengths is very normal, especially domestic generally not unified. If this bearing higher requirements with the best inlet of the "INA" or "IKO" two brands of domestic use. "FYB" is a German.INA company, now belong to the Schaeffler Group.IKO is Japan's Tom Xun.FYB Corporation is domestic Zhenjiang Feiya bearing company.INA is the ancestor of the needle bearing company, IKO is then introduced INA technology and products Do the products with the INA series, the material will be worse, the accuracy of FYB is similar to the imported INA production line, the needle roller bearing is currently doing the best, although the price is cheaper than Japan, but the quality is not to say, to be roughly the same small Japan.
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
One end of the needle roller bearing in the stamping outer ring can take the bearing end cover and fix the outer ring in axial direction. How can the other end be fixed?
Q:Many one-way needle roller bearings have small holes in the inner and outer rings. What's the function of these small holes?
It should be the oil storage hole, whose main function is to store grease and lubricate the needle roller.

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