• HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 1
  • HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 2
  • HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 3
  • HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 4
  • HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 5
  • HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision System 6
HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3812 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 3812

Brand Name: OEM

Size:38*45*12mm

Net weight: 0.026kg

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


Seal/close type Drawn cup needle roller bearings HK:

1.Strong load 
2.High performance work 
3.Lubrication 
4.high speed

Product Applications:


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

HK 3812 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


Shipping:


1.small quantity, can delivery by global express: DHL TNT FedEx ARAMEX EMS UPS.

this is door to door.

2.large quantity, can delivery by air, by sea, this is port to port.

 

Payment:


T/T, L/C, Money Gram, Payal, Western Union etc.

 

Lead Time:


Sample Lead-times: generally 3-5 workdays.
Production Lead-times: 3-5 days after get payment or as contract required



FAQ:


WHY CHOOSE US ???

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 3812 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 3812 Drawn Cup Needle Roller Bearings HK Series High Precision






Q: trying to figure out what type of bearing could be used in a pulley system with dynamic loads exceeding 1150 lb and 540 lb.
Ball bearings manufacturers give detailed procedure on how to calculate and arrive to the proper selection. I advise to contact them and obtain their catalogues.
Q: Do cars have wheel barrens or wheel bearings?
Bearings allow the wheel to turn easier.
Q: i have two different sets of bearings but some of them are messed up so i was wondering if i can put mix them up and put them in my board
Yeah okorder
Q: i have a redline random 2011 and it has loose ball bearings in the hub what i woulkd like to know is what size or what upgrade i could put in it...
They are probably 1/4 or 5/32 diameter balls, but the rest of your question leaves me wondering. The hubs that your bike has are quite OK for the grade of bike you have, and just replacing the bearings will have no effect- or if anything a negative effect- on the operation of the hub. Keep in mind that the bearings run on cups pressed into the hub and on cones that are threaded onto the axle, so replacing bearings on a new bike without upgrading these items is useless. By the way, my guess is that the cups and cones can't be upgraded. I suggest that you leave what seems to be a brand new bike alone and stop trying to improve on something that doesn't need it. If you have some problems, see you dealer and explain it to them- chances are any adjustments will be free (or cheap).
Q: I took the ABEC 5 bearings out of my normal recreational blades and put them in my aggressive inlines that had ABEC 3's in them.they r all oiled great and before i test them i want to know the difference between them.
Abec 5 bearings are manufactured with a higher standard of precision than abec 3 bearings. Pretty much, with the abec rated bearings, the higher the number the higher quality of the bearings.
Q: im trying to buy speed skates not roller blades any suggestions i don't want any skates over $150
abec is not a real rating for skate bearings its a rating for industrial bearings and has nothing to do with speed in the first place. abec 9's could be worse than abec 3's you just never really know. Swiss on the other hand is a real rating and is way better than any abec bearing, you can never go wrong with a swiss rated bearing. Swiss bearings are smoother and longer lasting even if it's not bones brand it's still a good bearing. People will tell you anything in order to sell you something don't let skate places fool you into buying these faster abec rated bearings. No such thing.
Q: I have a 2001 BMW 325i. I believe that we need to change the wheel bearing (passenger rear). You can check my other questions in case the diagnosis is incorrect...(help??)Does anyone have any diagrams, instructions on how to change them? Is it necessary to have them pressed on/off? (that would determine if I could do this at home or not.Please help, this is my sons car and he is in the military and doesn't have time or cash to spend on it. So mom dad are trying to help them out. Any advice or websites will be appreciated.Thanks, stormphyre
The okorder (fill out the form on the right) Once you get your new wheel bearing, you can take your old hub (with the old bearing) and the new bearing into a local repair shop. They will press out the old bearing and press in the new for much less than a complete job. You can then take the hub with the new bearing and put it back into your BMW. The rest is just wrench work.
Q: what kind of bearings do i need for a1976 honda cb750?
Phillip missed it on several points. The crankshaft main bearings and con rod big ends are replaceable plain bearings, small end rod are non-replacable plain with full floating wrist pin, camshaft plain, tranny shafts are caged ball bearings, steering head are loose balls (really cheap crap), swing arm pivot are plastic bushings (really, really cheap crap) and the wheel bearings are caged balls. You should be able to replace the steering head and swing arm with tapered roller bearings, which will really improve handling.
Q: Sup guys, first new thread. Anyways,i have a 2004 Honda 400ex. I noticed the other day that when i get on it and rock from side to side (stationary with engine off) the axle stays still but the rest of the quad moves and clicks sort of. It moves up and down, but not very much from side to side. Probably 1/16 side to side. And about 1/4 to 1/2 up and down. I tried tightening the jam nut or whatever its called (the left hand thread. I dont know as tht i tightened it right). But that did nothing. My rotor also moves front and. Back. I was told i need carrier bearings. I hope not because its wednesday and i have. Planned riding trip this weekend. If it is bearings, can i just tighten the nut and ride, then replace it?
it sounds like carrier bearings. keep your chain adjusted slightly tighter than usual. you can run it some with it that way. stay out of the mud! if you're going for a looong trail ride, you should replace them. also know that if you let them go too long it gets real expensive when you eat into that carrier housing!!! i've ridden many miles on bad bearings, you just have to watch them close and run a bit easier than normal. if at all possible change them before your ride, other wise go easy, have fun!!
Q: I need to upgrade my wheels and probably bearings for my roller blades they are a 64mm wheel on right now and i know NOTHING about wheels and bearings, like do I have to stick with the same size wheel,can I use current bearings on there etc... I know I would like a nice smooth ride and preferably a gel type wheel... I am on a budget so I know going with a little lower grade bearing and a better wheel will optimize performance on a budget. I am in Canada so an international or Canadian seller is a must and I would like to have a name or model number so I know what to look up specifically if possible please and thank you!
64mm okorder /.. If you buy wheels and bearings, remember to transfer the spacers from your old wheels or buy aluminum ones. The wheels will not roll well without them.

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