HK 3818 Drawn Cup Needle Roller Bearings HK Series High Precision

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Product Specifications:


Model No.: HK 3812

Brand Name: OEM


Net weight: 0.041kg

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

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.


The draw up needle roller bearing has two structures-with retainer and with full of needles. They are are divided intoopenend type and close-end type. The structure with retainer has the single seal ring and double seal ring .The structure with full of needles has a large load carrying capacity.

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 3818 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



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 3818 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3818 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3818 Drawn Cup Needle Roller Bearings HK Series High Precision

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Q:What kind of bearings are good and worth it?
Q:how long do your bearings spin?
Pig Swiss or Black Panther Swiss Spinning an unloaded wheel doesn't really tell much except if thed bearing is dirty or has failed. A larger wheel will spin for a longer period of time. Thicker lubricants will cause an unloaded bearing to spin for a shorter time, but won't be effected under loads. The only proper test is to use different bearings under identical settings. Have a rider ride down a ramp and see how far he/she goes. Unless you race longboards, skate pools or other transition skating, the need for a high speed bearing is diminished. The average street skate performs tricks around 2-3mph. Transition skaters can reach 30mph and longboards can exceed 50mph.
Q:Can you find bearings without a compass or specialized equipment, and if so, how?
One easy way would be to find north via the north star and draw a line from one land feature to north. Then use your paper along with ruler and string to bisect angles until you have a compass face. Align it with the N/S line and check the bearing to the other feature.
Q:Where can I get carrier bearings for an 08 ford fusion without buying the whole drive shaft?
From Ford buying a new carrier might mean buying a driveshaft with it if they know it's an issue and they think the driveshaft is causing it. I really don't know. The bearings might be available from an auto parts store by themselves. You can get used carrier assemblies with the bearings in them from a salvage yard or Ebay. The carriers fit multiple popular Ford vehicles so they're everywhere. Call around and ask. BTW it's a little odd that a 2008 vehicle would need axle carrier bearings already. That's not a part that fails with any frequency at all. Unless you put on about 200k miles or drive it hard I wouldn't expect them to go bad. I'd file a complaint with just to cover yourself since if they were to lock up or toss the driveshaft it could cause an accident. You can call Ford(main headquarters) directly and tell them it's unusual for this to happen and see if they'll pay for all or part of the repair.
Q:2004 Ford Taurus DISC BRAKES has anyone replaced the REAR bearings?
Replacing wheel bearings is a thing of the past - Now you just buy a wheel hub. The assembled wheel hub already has the bearings seals already in it. Just take the old hub off bolt the new one on.
Q:my new skateboard bearings are stiff?
There could be a couple causes but lack of lubrication is not a likely one. Does your board have greased bearings? Many cheap ones have way too much grease which is great in that they will be more water resistant and not need maintenance for a long time. However, they will take a long time to free up. You can open them and clean out the grease and relubricate them with the right amount or other materials. If this is the case, the wheels will turn smoothly but slowly. For some reason many (most?) boards come without bearing spacers. They keep the bearings from jamming with side loads (like turning or having the wheel nuts on snug). Check if loosening the nuts makes the wheels run faster.
Q:How do I remove really stubborn dirty skateboard bearings?
Q:Which skateboard bearings are the best? (Bones or Modus)?
Q:Problems with defective wheel bearings in 05 Ford Escape?
see my answer on your other posting
Q:How long do repacked rear wheel bearings last in a FWD Toyota Rav4?
That is something that should not have to be done for many thousands of mile sunless there is another issue

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