HK 1518 Needle Bearing HK Series High Precision

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Product Description:

Product Specifications:



Brand Name:


Bore Size:

15 mm

Outside Diameter:

21 mm

Model Number:

HK 1518

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 1518

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 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision

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Q:what are moter bearings and how hard are they to put into a gas engine?
Rinse it a couple times with fresh gas , dump those out and fill with fresh gas , shouldn't be a problem.
Q:what skateboard trucks and bearings?
Independent Trucks and Bones Bearings.
Q:How does a jet engine remain lubricated it its main bearings?
Oil lubrication is done by dry sump - Dry sump for jet engines (separate oil tank) - Typical oil tank capacity of a JT9D engine is 25 liters - On jet engines - oil is prayed on main bearings then scavenged back to the oil tank - Oil in jet engines is cooled by a fuel heat exchanger (radiator) - Jet engines only use synthetic type oils - such as Mobil II or Esso/Exxon 2380 - Note to Piero - As you know, main bearings leak oil when engine failed and is windmilling - In case of absence of bleed air pressure -.
Q:is it possible to make your own ball bearings?
ball bearings are made from hardened steel, which is a process requiring ovens, and cool down systems, and precision is important, so I think it would cost you more to try to manufacture them yourself. I always go to a bearing company, Look in the yellow pages. they can cross reference ANY bearing and replace them cheap. For instance the ones on my boat were about $30 and they cross referenced them for about $4. Good luck.
Q:Could Wheel Bearings Weld Themselves To The Spindle?
I would go with the brake problem first. Bang around on the caliper casting and maybe it will unseize the pads. Bearings are immersed in grease and rarely cause a problem.
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
General stamping ring needle roller bearings are the outer diameter and the hole is fit to the location, so for stamping ring bearings have a pressing force of the technical requirements. Here I put it in the production process: stamping, heat treatment (about carburizing layer to control, otherwise the last edge will open - Cases) left - lips - cast oxide annealing oxidation layer, the holder on the needle sleeve ring, stamping edge (technical requirements: the rolling head edge within the height, diameter, (note that both ends and in the middle to be consistent) and pressed into the ring after the gage qualified).
Q:Can I use this on my longboard bearings?
never tried it, but the best known cleaners are paint thinner, denatured alcohol, acetane, stuff like that. you'll also want to you some very low viscosity lubricant of some kind. spray stuff and creams usually work the best.
Q:Do skate bearings fit any wheels?
first. i can answer ANY question u have about skateboarding. i have been skating for 5 years now. and yes. u can put bearings in any wheel. unless they are old wheels or old wheels. cause bearings used to not be in casings. they had to be put in 1 at a time. until they made the new bearings. i have bones swiss in my wheels. they are really good. i would recommend them.and u should NOT buy complete sets like ur planning on getting. its better to buy ur set up one at a time. i wouldn't recommend an Element board. they aren't very good. plus i hate Element. i don't like Alien Workshop either. but if u like them u should buy them. but u should make sure to get Independent trucks. they are the best trucks there are. and u should get Bones wheels. they are the best wheels. they don't get flat spots. if u have anymore question just ask. i will be able to answer them
Q:What material used in bearings? Describe the composition of elements.?
Sn % Sb % Cu % PbApplications 933.53.5-Light and medium IC engine big end bearings 8610.53.5-Light and medium IC engine main bearings 80113.06General purpose heavy bearings (lead increases plasticity) 601028.51.5Heavy duty marine engine bearings, electrical machines 40101.548.5Low cost, general purpose, medium duty bearings
Q:What are the differences between needle roller bearings and cylindrical roller bearings?
Mainly the difference between rolling bodiesThe needle length and diameter ratio (aspect ratio) is greater than 3, less than 5 mm in diameterThe cylindrical length and diameter ratio (aspect ratio) is less than 3, greater than 5 mm in diameter.

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