• HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision System 1
  • HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision System 2
  • HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision System 3
  • HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision System 4
  • HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision System 5
HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
900000 set/month

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Product Specifications:


Specification

Model No.: HK 4020

Brand Name: OEM

Size:40*47*20mm

Net weight: 0.049kg

Material: Chrome steel

Cage: Brass, Steel

Features:

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.

Packing

1.Industrial packing: box

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

3.According customer's requirement

Payment

T/T, L/C, Western Union

Delivery time

About 3 to 5 working days

Services

Warrantee: 1 year

Samples: available

OEM: available

Free technical support and after-sales service


Needle roller bearing :


Needle Roller Bearings (needle bearing) is a cylindrical roller with roller

bearings, relative to its diameter, roller both thin and long. This is called needle

roller. Despite having a smaller cross-section, has a higher load bearing capacity,

equipped with a thin and long needle bearing roller (roller diameter D≤5mm,

L / D≥2.5, L is the length of the roller), so radial structure is compact, its

diameter size and load capacity and other types of bearings, minimum diameter,

especially for radial dimensions limited support structure.



Product Applications:


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

HK 4020 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


QC:

We have complete process for the production and quality assurance to make sure

our products can meet your requirement. And our quality can compare with the

most chinese famous bearing manufacture. we have the same technology. Such as 
1. Assembly
2. Windage test
3. Cleaning
4. Rotary test
5. Greasing and gland
6. Noise inspection
7. Appearance inspection
8. Rust prevention
9. Product packaging


HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision






Q: Given 11 bins containing ball bearings, ten of which contain ball bearings that weigh an ounce a piece and the other bin containing ball bearings that weigh one and one tenth ounces a piece, determine in one reading on a numerical scale which bin contains the odd ball bearings.
Put 1 bearing from the first bin, 2 bearings from the second bin, 3 bearings from the 3rd bin, ..., and 11 bearings from the 11th bin on the scale simultaneously. There will be 66 bearings on the scale. Record the total weight of the bearings in ounces as W. The number of the bin containing the overweight bearing will be given by N = 10(W-66)
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
Q: Are bearings measured in diameter or circumference?
Neither one. Bearings are measured in degrees. Or, do you mean bearings as in ball bearings? Those are measured in diameter.
Q: i wannn know to see if its a good idea to try :)
The gasoline will strip away the grease that lubes the bearings. It will make the bearings wear out faster if thats what you are wanting.
Q: i saw some that said speed demons, abec 7 and some that just said ABEC 7 which ones are faster?
Speed Demons is a brand. ABEC ratings are a generic marking with almost no meaning for skate bearings. ABEC is for high speed machinery with much larger loads. ABEC 7 does not mean that they are better than ABEC 5, ABEC 3 or even ABEC 1. Some bearings without an ABEC rating are designed to be better for skating than ones that follow the ABEC standards. Some generic (no name brand) bearings can be wonderful but you never know.
Q: i had my car serviced and it had new rear brake drums fitted, 2 days later i hear a rubbering sound comming from the offside rear wheel, took back to garage and they told me the bearings was all shoot and that the car was to dangerous to drive home, could this be true, would they off noticed this then servicing the car, what could of happened
2001 Ford Focus Rear Wheel Bearing
Q: like anything around the house or cheap
omg no this is easy use dw-40 and it'll be brand new and its cheap or around the house
Q: from fast forward?
General pro skateboards have element bearings. But most of the time, the company the skateboard is from will probably have their brand bearing. Most pros have element bearings though.
Q: i need to change the bearing on my hyundai accent front passinger side, i got it all apart and see i need a press. would it be easier to replace the whole hub i so how do i go about doing it ? any link to diagrame etc.. would be appreciated
It would be easier to take it to a machine shop and have them press out the old bearing and press in the new or to purchase or rent a hub shark so you can do it yourself (provided you have a compressor and impact).
Q: what are bearings on a fishing reel?
Which are you talking about, ball bearings or roller bearings?

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