HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision
- Ref Price:
-
- 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.
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
- Q:do 98 ford windstars have front wheel bearings?
- yes... but not like older cars.. front wheel drives they are part of the axle... you have to pull the axle and have them removed just about as easy to replace the axle
- Q:On a scale of 1-10 how good are abec 3 skateboard bearings?
- They can be between a 9 and 10 or they can be a 1. The ABEC number is basically useless for skate bearings. It is related to vibration at very high speeds (over 200 mph on a board). The tight tolerances on the high ABEC ratings can actually slow you down which is why the high end company (Bones, Zero Drag, Twin Cam) all make bearings without any ABEC rating as their top bearings. However, there is a spec called precision that is really sloppy and was in common use before people started getting ABEC 1 bearings for the consistency. The biggest thing that 99% of the people will see as a difference in speed of the bearing is the lubricant that they maker put in the bearings. Grease will be slow at first until it is pushed mostly to the side but it lasts the longest before you need to relubricate or replace the bearings. Oil is the fastest but doesn't last long. Gels are in between in speed and life.
- Q:On my longboard the bearings are sliding out of the wheels as i ride and causing the nuts to tighten and me to fall off. Why is this happening and how can i fix it?
- please post in the proper category this is Cycling, as in Bicycling not Skateboarding
- Q:So do skateboard bearings fit into scooter wheels?
- Scooter is probable the least complicated to apply and get around on. Skateboard style of interior the middle... tougher gaining expertise of curve; greater possibly to interrupt your face. you will look cooler than you will possibly on a razor in case you could administration the ingredient. Longboard... super, cumbersome, greater of a paint to lug around. complicated to provide up once you have have been given some velocity. Get used to pointing it at grass and leaping off. I say pickup skateboarding.
- Q:i was going to buy new bearings but don't know what to get.
- Bones okorder and read the reviews there awesome
- Q:i bought some new bearings today, Bones Reds. the guy at the shop said that they were so fast they didn't need an abec. after riding i thought that my old bearings, the rush abec-7's, went faster. i just wanted to know which is faster
- There is no way for someone to give you an answer to your question without testing both bearings on expensive equipment with specific loading. If the Rush bearings work better for you, buy them in the future. However both the shop guy and jibiking are full of nonsense about ABEC and also partly right. ABEC is a tolerance specification for how gaps inside the bearing and how much it can wobble when it spins. It has nothing to do with how easily a bearing spins. ABEC got used for skate bearings because companies were using Precision grade bearings which are garbage. ABEC 1 rated bearings were a vast improvement over the Precision grade. Bearing sellers then decided if 1 is good, larger numbers can be advertised as better. A few of the better bearing companies (Twin Cam, Zero Drag, Bones) have designs that are better for skating by not meeting the specifications of the ABEC ratings..
- Q:are these above, just consumable type things ,that need replacing after time, how many miles for each generally speaking would they need to get replacedwhat are signs that track rod ends have excessive playwhat are signs that wheel bearings have excessive play, and what exactly do they do
- its really tuff to say it just depends on the Quality of the part
- Q:how do theymake steel ball bearings so perfectly round and of the same size?
- check out National Geographic channel or discovery channel in your area. Got a progran called How it's made. Shows 4 different things each time it's aired and it airs couple times a day. I know for a fact they had ball bearings on there once. Done with a machine. May be on one of their websites too.
- Q:This is a technical question depending small losses for example in clean room applications (every particle matters...)
- I assume you have tried shielded bearings, where the grease is contained inside covers that prevent its loss? Or possibly you do not have the funds to replace the bearings? Etc. I do not know the size of your pump/motor or whatever the bearing is on. I will tell you I have seen in an industrial setting on what I would call a small pump, they actually put a bag around the bearing housing to catch grease. Of course, the shaft ended at the housing so the bag did not have to come in contact with the rotating assembly. You could probably get more useful answers if you re-ask your question describing the size and physical configuration of the bearings and their housing.
- Q:what are some good trucks for my skateboard? and what are a good brand of wheels and bearings for my skateboard too?~Thanks~
- bearings-bones reds, fast and they last a long time too trucks- i usually buy ventures but they're pretty heavy for the wheels,ricta, and find a wheel size thats perfect for you i always buy 53's
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HK 4020 Drawn Cup Needle Roller Bearings HK Series High Precision
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 900000 set/month
OKorder Service Pledge
OKorder Financial Service
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