HK 4214 Needle Bearing HK Series Supply High Precision

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Shanghai
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Min Order Qty:
1 set
Supply Capability:
1000000 set/month

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Product Description:

Product Specifications:



Type:

Needle

Brand Name:

OEM

Bore Size:

42 mm

Outside Diameter:

49 mm

Model Number:

HK 4214

Precision Rating:

ABEC-1

Seals Type:

Open or Sealed

Number of Row:

Single Row

Place of Origin:

Jiangsu, China (Mainland)

Material:

Chrome Steel

Lubrication:

Grease Lubrication

Package:

Plastic Bag and Box

Equivalent:

HK 4214







Drawn Cup Needle Roller Bearing :


The outer ring of drawn cup needle roller bearing is punched with the high-quality steel sheet. The outer ring has thin wall.The drawn cup needle roller bearing has the characterstics of small radial section area, large load carring capacity ,less inertia and economic manufacture. It is suitable for small section heght, or when the housing bore isnot used for raceway , this type is recommended to use .The bearing is assembled into the housing bore under a certain pressure without fu rther axial location.

 

The draw up needle roller bearing generally takes its shaft diameter as the internal raceway .However , the proper LR type inner ring can be  used in accordance with application condition.


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


Application Area:


Needle roller bearings are mainly used in car engines, transmissions, compressors, cranes, etc.


FAQ:


 WHY CHOOSE US ???

1.More than 28 years export experience

2.Strict quality control

3.Delivery in time

4.OEM service are available with good price

5.Low MOQ




HK 4214 Needle Bearing HK Series Supply High Precision

HK 4214 Needle Bearing HK Series Supply High Precision

HK 4214 Needle Bearing HK Series Supply High Precision

HK 4214 Needle Bearing HK Series Supply High Precision


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Q:Working principle of one-way needle roller bearings
One way bearing is a type of bearing that can only be turned in one direction and locked in another direction.The metal shell of the one-way bearing, contains a lot of rollers (or needle ball), and the rolling block (acupoints) shape so that it can only roll in one direction, (because the installation direction of the rolling direction opposite spring, so spring is compressed). In another direction when the rolling direction and spring mounting same direction, not to cause the compression spring, up roller, roller to produce a lot of resistance in between the inner shell and outer shell (the so-called "one-way"), stop rolling bearing.
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?
Light series needle roller bearing without inner ring
Q:What is the needle roller bearing model with outer diameter 21 and inner diameter 16?
The outer diameter of 21 needle bearings with 16, the market is not available.The outer diameter of 21 needle roller bearings through 15, some models are hk1512.
Q:What are the differences between cylindrical roller bearings and needle roller bearings?
Back to the 2# plane thrust roller, there are also, such as K811, K812, K893, K894. The first two are single row roller, K893 and K894 are double row roller, these are thrust bearings, INA code name, you can scroll down the directory
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, it's the roller itself. However, as the use of wheels is not so good control, because the surface of the bearing itself after finishing processing, very smooth, friction will be very small.
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
General stamping ring needle roller bearings are the outer diameter and the hole is fit to the location, so for stamping ring bearings have a pressing force of the technical requirements. Here I put it in the production process: stamping, heat treatment (about carburizing layer to control, otherwise the last edge will open - Cases) left - lips - cast oxide annealing oxidation layer, the holder on the needle sleeve ring, stamping edge (technical requirements: the rolling head edge within the height, diameter, (note that both ends and in the middle to be consistent) and pressed into the ring after the gage qualified).
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.
Q:Dimensions of needle roller bearings
There isn't such a strong needle roller. But look at the picture. It's likeHave not seen in kind, in terms of size, there is a support roller meet, estimate and reference it, not necessarily accurateBrand: Germany INA NATR30 if the seal is: NATR30UUThe following diagram: small d:30 D:62 C:28 B:29Cheaper to use in Japan, IKO, model is: NART30

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