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NSK Needle Roller Bearing For Machine Tool Shifting Device HK0408 7947/4K

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[China]

Address: Chuangye building, liaocheng city, shandong province, China

Contact name:Yang

Linqing ZH Precision Bearing Manufacturing Co. Ltd.

NSK Needle Roller Bearing For Machine Tool Shifting Device HK0408 7947/4K

Country/Region china
City & Province liaocheng shandong

Product Details

NSK For Machine Tool Shifting Device Needle Roller Bearing HK0408 7947/4K Steel Plate Retainer

 

HK0408 Needle Roller Bearing:

 

4*8*8mm Bearing Features:

 

Inner Ring Diameter (bore):4mm

 

Outer Ring Diameter:8mm

 

Width:8mm

 

Basic Dynamic Load Rating Cr:1500kN

 

Basic Static Load Rating Cor:1200kN

 

Limiting Speed Grease:27000

 

HK0408 Needle Roller Bearing Description:

 

Model Number:HK0408
Inner diameter:4mm
Outer diameter:8mm
Width:8mm
Seal Type:Double Shielded, 2RS
Material:Chrome steel, Gcr15
Precision Rating:P0-P5
Brand:TOPE or other brands
Payment term:T/T,L/C,Western Union, PayPal
Delivery time:1-5 days for small amout, 15-40 days for big amount
 

 

HK0408 Needle Roller Bearing:

 


 

more models:

 

Shaft Diameter (mm)Bearing DesignationBoundary Dimensions(mm)Basic Load Rating (N)Limiting Speed (rpm)
Current DesignationOriginal DesignationFwDCCr DynamicCor StaticGrease
3HK03067942/336670060029000
HK0306TN1 36.56123084027600
4HK04087947/4K4881500120027000
HK0408TN1 4881400110027000
5HK0509 5992400220022800
HK051010-Y 510101600190023400
6HK060837941/661082200210023000
HK060947941/661092200200023000
HK0609TN1 61092700260023000
HK06101167941/6610112700270023000
HK061012 610122800280023000
HK6×10×13.5 61013.53000310023000
HK061208-Y 61281900150023000
FC68680.1 612.3511.53400300023000
6.35SCE45 6.3511.1127.942200190023000
SCE 47PP 6.3511.1111.111800150023000
SCE47 6.3511.11211.113900360023000
SCE 49PP 6.3511.11214.293200310023000
7HK070947941/771192400230021000
HK7×12×8 71282600220021000
HK071209 71292700230021000
7.938SCE 57 7.93812.711.113700400021000
8HK080837941/881282600270018000
HK0808TN1 81282400240018000
HK081057941/8812103200350018000
HK0810Y 812102500255018000
HK0810-RS 812102400140018000
HK0812 812124200370018000
HK081408 81482000240018000
HK081410 814103000320018000
HK08141237942/8814124500430018000
9HK0908 91382900320018000
HK0910 913103200360018000

 

HK0408 Needle Roller Bearing Advantages:

 

1.Needle roller bearings are equipped with slender and long rollers (the length of the rollers is 3-10 times the diameter and the diameter is generally less than 5 mm), so the radial structure is compact.

 

2.When the inner diameter size and load capacity of needle roller bearings are the same as other types of bearings, the outer diameter of needle roller bearings is the smallest, which is especially suitable for supporting structures whose radial mounting size is limited.

 

3.The processing accuracy and surface quality of needle roller bearings should be combined with bearing rings and applications according to their different application situations.

 

4.Needle roller bearing is a bearing unit composed of centripetal needle roller bearing and thrust bearing components.

 

 

HK0408 Needle Roller Bearing Features:

 

1.Needle roller bearings are equipped with slender and long rollers (roller diameter D < 5mm, L/D < 2.5, L is roller length), so the radial structure is compact.

 

2.When the inner diameter size and load capacity of needle roller bearings are the same as other types of bearings, the outer diameter of needle roller bearings is the smallest, which is especially suitable for the bearing results with limited radial installation size.

 

3.According to the different use occasions, the bearing without inner ring or needle roller and cage assembly can be selected. At this time, the journal surface and the outer shell hole surface matched with the bearing directly serve as the inner and outer rolling surface of the bearing.

 

4.In order to ensure the same load capacity and operation performance as the ring bearing, the hardness of the raceway surface of the shaft or shell hole, and the processing accuracy. And the surface quality should be similar to the raceway of bearing ring. This kind of bearing can only bear radial load

 

Shipping Method:

 

1. For small amount (GW<100KGS), we can send you by express, such as DHL, Fedex, TNT etc


2. For GW between 100KGS to 500KGS, we can send you by sea shipping or air shipping


3. For large amount (GW > 500KGS), we can send you by sea

 

Factory Photo:

 

 

Description:


1.Needle bearing is a roller bearing with cylindrical roller. Compared with its diameter, the roller is slender and long.

 

2.This kind of roller is called needle roller.


3.Despite its smaller cross section, bearings still have a higher load-bearing capacity.

 

How to Place an Order:


1. Send us your bearing inquiry, including your bearing models, your quantity. If you have brand requirement, please tell us which brand do you need as well.


2. We will quote bearing price for you. Moreover, According to the quantity of goods, we will give you different options of transportation.

 

3. If you agree with our price, we will make proforma invoice for payment

 

4. After payment is done, we will start to prepare bearings and arrange shipment

 

Model comparison:


1. Centrifugal needle roller and cage assembly (K type)


2. Needle Roller Bearings with Double Lock Rings (NA, NKI, RNA, NK)


3. Single row needle roller bearings with double outer rings (NA, NKI, RNA, NK)

 

FAQ

 

Q:Could you accept OEM and customize?

A:YES,we can customize for you according to sample or drawing.

 

Q:Could you supply sample for free?

A:Yes,we can supply sample for free,do you mind to buy her a ticket?

 

Q:Dose your factory have any certificate?

A:yes.we have ISO 9001:2008,IQNET and SGS. If you want other like CE,we can do for you.

 

Q:IS you company factory or Trade Company?

A:We have our own factory ;our type is factory +trade.

 

Q:Could you tell me the material of our bearing?

A:We have chrome steel,and staninless steel,ceramic and plastic material.

 

Q:Could you offer door to door service?

A:Yes,by express(GHL,FEDEX,TNT,EMS,4-10 days to your city.)

 

Q:Coould you tell me the payment term of your company can accept?

A:T/T.Western Union,PayPal

 

Q:Could you tell me the delivery timr of your doods?

A:If stock,in 7days or base on your order quantity

 

 

Contact us:

Email:xue@yekbearing.cn
WhatsApp/Skype:+8613863540916

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