HK 4018 Needle Bearing HK Series High Precision

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1 set
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Product Specifications:



Brand Name:


Bore Size:

40 mm

Outside Diameter:

474 mm

Model Number:

HK 4018

Precision Rating:


Seals Type:

Open or Sealed

Number of Row:

Single Row

Place of Origin:

Jiangsu, China (Mainland)


Chrome Steel


Grease Lubrication


Plastic Bag and Box


HK 4018

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.



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 4018 Needle Bearing HK Series High Precision

HK 4018 Needle Bearing HK Series High Precision

HK 4018 Needle Bearing HK Series High Precision

HK 4018 Needle Bearing HK Series High Precision

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Q:Are andale skateboard bearings out yet?
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You answered your own question.
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This Site Might Help You. RE: what is hydraulic bearings? please introduce me useful related web sites.
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Sounds like outer wheel bearings but it could be the differential bearings as well. The only way to know is replace the wheel bearings and see if the noise stops. I'd check the gear oil level as well since if you were low on oil that would kill the bearings and the differential. If it's low make sure you add the specific kind for your axle.
Q:Front tires making awful noise, told it was the bearings. How do I change the bearings? Dodge pickup 1999 4x4?
As a bear minimum you would need a book telling you what the thing looks like inside or the experience of having done the job before. I have been a shade tree mechanic for over 40 years, I have a fairly well equipped shop and am willing to buy special tools. That said, I would think twice before I tackled this job, I would probably try but I would be ready to have the truck down for several days just to be on the safe side. I have done several jobs on front hubs and no two are alike except that they always seem to be harder and more time consuming than I had anticipated. Unless you consider yourself capable of changing an engine or something else of that level I would suggest a shop.
Q:Can you put abec7 bearings in a wave board?
ABSOLUTELY! I've been ridin' The Wave for a couple of years now, and I def switched over to better bearings once I was ready. You def want to make sure that you have mastered ridin' the board before you make the switch. I'm pretty sure that Street Surfing is going to start making upgrades available, but until then, go for it. Just be ready for the faster speed. If you haven't checked out their website I'd give it a look, some cool vids/pics there, even some 'how to' vids if you're looking for some tricks to do ( THEWAVE.COM ). Hope that helps you out, the answer to your question is YES! Upgrading the bearings is something that anyone can do to their wave board, I would actually suggest it for more experienced riders. See ya on the Streets!!!
Q:how do theymake steel ball bearings so perfectly round and of the same size?
High speed, cold heading machines take a wire or rod feed, chop it to length and cold forge a ball to fairly close limits of size and sphericity. Basically this is done by taking a cut slug of the right volume and bonking it between two hemispherical dies. Then there are grinding and lapping machines, and the final balls are selected for matching sizes.
Q:What are the best skateboarding trucks, deck, wheels, and bearings?
zero deck with venture superlite trucks ricta wheels reds precision skate bearings shake junt hardware black magic griptape
Q:ball bearings for a mousetrap car?
but it may overcomplicate it, unless you can use the complete wheels with the axle. .
Q:i recently got a karvstix longboard.... does anyone think that i will need new wheels, bearings.etc?
You dont need new wheels and bearings, because you wont know what the difference between them even is. Ride what you have until you know why you need a new part. If you do not know why you are getting it, then you dont need it. If you are to get new bearings, NEVER spend extra on expensive bearings! $10 or $15 would be the most I would ever buy. One you know that cheap bearings from good brands are better than those expensive Bones bearings, then you will never buy expensive ones again. If you need new bearings get Magic, MileHighSkate, or DBS bearings for $9. They are double sealed, and work great. All bearings will spin the same as long as they are cleaned and lubed when needed. Never use WD-40 as a lube! If you ever want need wheels, look at brands such as Abec11, Nersh, Cult, Metro, Sector 9 Race Formula, Seismic, Earthwing, Venom, Gravity, and Landyachtz.

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