HK 3814 Drawn Cup Needle Roller Bearings HK Series High Precision

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900000 set/month

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Product Description:

Product Specifications:


Model No.: HK 3814

Brand Name: OEM


Net weight: 0.031kg

Material: Chrome steel

Cage: Brass, Steel


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.


1.Industrial packing: box

2.Commercial packing: box then into standard carton/wooden Box

3.According customer's requirement


T/T, L/C, Western Union

Delivery time

About 3 to 5 working days


Warrantee: 1 year

Samples: available

 OEM: available

Free technical support and after-sales service

Seal/close type Drawn cup needle roller bearings HK:

1.Strong load 
2.High performance work 
4.high speed

Product Applications:

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

HK 3814 Drawn Cup Needle Roller Bearings HK Series High Precision

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


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.



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


Q: Are you a manufacturer ?

A: Yes.


Q: Can you produce OEM products or make our brand name on the products?

A: Yes.


Q: Do you have after-serivice or can we return the goods if the goods are defective?

A: Yes, we do. After the goods are shipped, we have one year guarantee. If the shipped goods are approved to be defective, such as rusty, broken, severe deform etc. we will be responsible for the loss.  


Q: What is your main product?

A: We mainly produce Spherical Roller Bearing, but we have worked in bearing field for more than 20 years. We have a comprehensive network of  sourcing and trading all kinds of other bearings including Deep Groove Ball Bearing , Angular Contact Ball Bearing,Cylindrical Roller Bearing , Taper Roller Bearing And Spherical Roller Thrust Bearing , etc .


Q: Where is mainly market?

A: Our goal is to let worldwide customers to love and use our bearings. At present, our mainly customers locates in America, Germany, Franch, Italy, Spain, Iran, India, Pakistan etc.

HK 3814 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3814 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3814 Drawn Cup Needle Roller Bearings HK Series High Precision

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Q:How fast are the Abec 3 bearings for skateboards?
Lucky Abec 3 Bearings Review
Q:Ok i skate and my bearings are abec 1 i get on it and kick then it just stops?
Any bearings with an ABEC rating aren't worthwhile. Get a set of Bones Swiss or Reds. Bones have been around for a while and they definitely know how to make a quality product that the majority of pro skateboards use today. Bones lasts for a long time so get them if you can afford them.
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
For the shaft, the bearing seat is fixed in the case, if the load direction remains unchanged, then take the shaft and cone fitting, the bearing seat and the outer loose. But the press pin of the outer ring is different. The outer ring and the bearing seat of the outer ring needle roller bearing must be tightly matched, or interference fit, because the roundness of the raceway of the outer ring can be ensured. However, another function of interference fit is to a certain degree of fixed outer ring. For needle rollers, most of them are sufficient. Do not forget the characteristics of needle roller bearings - they do not bear axial force. Then, when installing, can I use the seat block to limit the position? The answer was No. Please note the stamping of the outer ring bearing, both sides are asymmetrical. In order to fit the needle and cage, one lip of the outer ring needs annealing so it is very soft. Because it is very soft, so the installation of this side can not be pressed to the end cap or shoulder and so on. The correct installation method is the installation tool and do a simple calculation of some, there is no longer enough.
Q:How many bearings should a good spinning reel have?
In reference to bearings, most of the time more is better, like exert above said. Bearings make the reel smoother but you also need to still buy a quality reel because no amount of bearings will accommodate a reel if they are of poor quality. Check on the reel's specs and see if they claim to be sealed or water-proof bearings. I have some low-end reels that have 6 and 8 bearings but the first time I used them in a hard rain they became hard to operate. And when I tried to clean them after wards they were just never the same. A good rule of thumb in reference to buying fishing equipment is to buy the best you can afford. Spend the money on a good reel, a quality rod, name brand line, and a few lures to start with. Then you can start to purchase more terminal tackle (lures,hooks,weights,etc.) when you are able. Anyone at a reputable tackle store will be glad to help you and if they won't , then email me back and I certainly will.
Q:Could you suggest me an experienced combined needle roller bearings exporter?
Q:What kind of skateboard bearings should i get?
black panthers . because i have had reds and they break easily.
Q:Do needle grease injectors properly lubricate ball joints, tie rod ends, bearings?
If a unit is a sealed unit, it is not meant to be greased, it is greased for life. The grease used is a little different then grease used in greasable joints. The grease has chemicals added so the grease does not wear down as fast. It is not practle to use this type of grease in greasable bearings, as they are not fully sealed and tend to seap gread from around seals and seams. Since they shoudl be greased every oil change (as a rule of thumb) they tend to keep grease this way. Sealed units don't need to be greased as they are sealed so the grease has no where to go, chemicals are added to keep the grease from breaking down as fast so it lasts longer. You should not have to use a needle through the boot or seam to grease these, if they are leaking or seaping grease, they should be replaced. Sealed units are, in a sence, superior to non-sealed units as they are maintance free and tend to last just as lone, or longer then non-sealed units. Sealed bearings are the same way, the grease that is in the unit is there for the life of the unit and does not need to be changed, and grease does not need to be added. Do no puncture or break seals to any sealed unit , even to grease, this will create a place where grease will start to seap, or it can actually damage the unit, and it will actually, decrease the life of the unit. A sealed unit is sealed for a reason, It is sealed from the elements, and from comtamanents, non-sealed units need greasing because since they are non-sealed dirt and debris can enter the unit and cause wear, greasing these non-sealed units is how the contamants are removed or reduced from the unit. Long story short, non-sealed units, greasing is good for the unit, sealed uints, greasing is bad and can cause damage to the unit.
Q:Mechanic question? What are bearings?
Wheel bearings are part of steering and drivetrain and suspension. They#x27;re very very important to the operation of a vehicle. They are located in junction with the hubs.
Q:Help with vectors and bearings please!?
using compass bearings: (2,60°) + (1,90°) = (2.9093, 69.8961°) - - - - - - (2,60°) = (1.7321, 1) - - - - - - (1,90°) = (1, 0) - - - - - - (1.7321, 1) + (1, 0) = (2.7321, 1) - - - - - - so: a) 2.9093 km b) (1.7321, 1) and (1, 0)
Q:What bearings for inline skates are the best?
Abec-5 Boss Speed bearings (better known as Swiss), and I happen to have an un-used set that I am selling since I hardly ever play roller hockey anymore.

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