|Place of Origin:||China|
|Certification:||ISO9001 , ISO14001|
|Minimum Order Quantity:||1PC|
|Packaging Details:||Single Box(White Box/Color Box/Wooden Box),or per your requst.|
|Payment Terms:||L/C, D/A, D/P, T/T, Western Union, MoneyGram|
|Supply Ability:||100,000 Piece/Pieces per Month|
|Rolling Element:||Roller||Vibration Level:||V2,V3|
|Precision Degree:||P6,P5,P4||Seals Type:||Rubber Seals|
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
Basic Dynamic Load Rating Cr:1500kN
Basic Static Load Rating Cor:1200kN
Limiting Speed Grease:27000
HK0408 Needle Roller Bearing Description:
|Seal Type:||Double Shielded, 2RS|
|Material:||Chrome steel, Gcr15|
|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:
|Shaft Diameter (mm)||Bearing Designation||Boundary Dimensions(mm)||Basic Load Rating (N)||Limiting Speed (rpm)|
|Current Designation||Original Designation||Fw||D||C||Cr Dynamic||Cor Static||Grease|
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
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
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
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)
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?
Q:Could you tell me the delivery timr of your doods?
A:If stock,in 7days or base on your order quantity