HK 4218 Drawn Cup Needle Roller Bearings HK Series High Precision

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1 set
Supply Capability:
900000 set/month

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Product Description:

Product Specifications:



Brand Name:


Bore Size:

42 mm

Outside Diameter:

49 mm

Model Number:

 HK 4218

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 4218

Product Applications:

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

HK 4218 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

Product Advantages:

1)Bearing Manufactory ( Have our own technical department)

2)High quality products (Long Life and low noise)

3)Well-daserved Reputation (Good Stock Guarantee)

4)Professional service ( Promptly shippment)

5)OEM Service,Sample is available


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.  

HK 4218 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4218 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4218 Drawn Cup Needle Roller Bearings HK Series High Precision

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Q:How many hrs does it take to replace rod bearings?
Through the oil pan, if you have a clear shot. It will take about 2 hours. However, that is not really the best thing to do as you will want to have the crankshaft milled down so that it is perfectly round. Otherwise the bearings will slip again. That will take time at a machine shop and generally cost around $100. Also you will need oversized rods after doing that. Also to do the above you will need to pull the engine out.
Q:how can i make my skateboard bearings cleaner and faster?
Q:what skateboard trucks and bearings?
Independent Trucks and Bones Bearings.
Q:What is bearings on a skateboard?
the bearings are what make the wheels move on the trucks and it holds the wheels to the trucks .. its the thing inside the wheels and it can be any color like mine are red
Q:How to take bearings off of skateboard wheels?
what i do is i take my screwdriver and pull it off
Q:Is it true that you don't need to clean roadbike wheel bearings and it is very hard to do so?
Depending on what hubs you have the bearings may be easy or difficult to service. The easiest are ball and cone bearings. They have either loose or caged bearings that all you have to do is to remove the cones and the axle for access. Clean out the gunk, regrease, and reassemble. If your bike is from Sports Authority, that is probably the style you have. (Do they even sell a cassette tool? Really?) When you adjust the cones and jamb nuts one has to have a lot of practice to set the tension on the bearing properly. You want the point of no play, yet no drag. The jamb nuts must be tight enough so the bearing doesn't either loosen or bind in service. A good pair of Park Tools cone wrenches are in order. Probably a 13/15 cone wrench. The more difficult and type that should be left to a professional are sealed cartridge bearings. They need much less service than ball and cone. Many bearing manufacturers recommend leaving them alone until it is time to replace them. The bearing has to be pressed out, the seal pried off carefully removed, clean and regrease the bearings, reinsert the seal, then press the bearing back in place. Cartridge bearings are usually on more expensive wheel sets. The third type are hubs with seals with cone and ball bearings. You have to remove and reinstall seals in the process of disassembly and assembly.
Q:beginner skateboard bearings?
Q:what is the fastest skateborad bearings?
Last time I checked it was ABEC7 bearings. Shows how long its been since I have bought bearings. Honestly, the brand doesn't matter. ABEC 7s were what thrilled me the last time I had to buy bearings, I have heard of ABEC 9s but don't care to find out because my stick rolls just fine on ABEC 7s.
Q:new wheel bearings?
That star nut your talking about can be removed from the nut...And is adjustable to fit in the right location. Hand tight While spinning the tire works best for your bearings...
Q:can the front bearings be regreased in a oldsmobile alero 2003?
No they are sealed bearings.If you have a bearing noise the most simple way is to buy a hub/bearing assy.NAPA can get them alot of the time when you got a noise up there its not the bearing,its the axel/C.V. joint.If the boot is ripped open it prabably needs a axel.The bearings don't fail nearly as often as the axels.

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