HK 3212 Needle Bearing HK Series High Precision

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1 set
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1000000 set/month

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Product Description:

Product Specifications:



Brand Name:


Bore Size:

32 mm

Outside Diameter:

39 mm

Model Number:

HK 3212

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 3212

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. High accuracy, High speed

2. ISO 9001:2000

3. Can be customized according to your needs

4. Can provide small & miniature standard and non-standard ball berings

5. Reasonable price

6. Technology: low vibration, low noise, high precision and durability

Application Area:

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

Packaging & Delivery

Packaging Details:

1.industrial packing 
4.according to your requirements

Delivery Detail:

in stock or 15-30days after P.O



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 3212 Needle Bearing HK Series High Precision

HK 3212 Needle Bearing HK Series High Precision

HK 3212 Needle Bearing HK Series High Precision

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Q:What skateboard bearings and wheels should i get?
lucky bearings and spitfire wheels
Q:In terms of longboarding, are abec 7 bearings better than abec 5 bearings?
neither You cannot tell anything by the ABEC number. It is a spec for vibration in machinery that runs at speeds thatwouldd be over 150 mph on your board. It became popular because the precision grade bearings that used to be used are anything except precision. ABEC 1 bearings were a hugeimprovementt and the marketing people love anything they can claim higher numbers on. Inline skates and boards use the same bearings. The top makers (Zero Drag, Twin Cam, Bones) actually design their best bearings that to not meet any ABEC standard so that they can have clearances that roll better, but frequently use the number 9 (sometimes saying equivalent to ABEC) in their lit so that those who are hooked on the larger number is better BS will not avoid a numberless bearing. What is better to you? Speed? Life? Resistance to rust when you are in the rain? Know your bearing makers and what they do really well. Bones is known for rolling really well but needing more maintenance and rusting really easily. Twin cam is known for being super resistant for wet. Zero Drag is not as well known but roll very fast and are reasonably resistant to moisture.
Q:What size bearings do my phil wood bicycle hubs take?
Phil Wood will do it for you for $40. There are several variations on the hub designs that prevent the ability to give you precise instructions here UNLESS you have the Field Servicable type. If this is the case, just stick a 5mm hex wrench into each end of the axle and twist. The axle will come out and you can replace the bearings.
Q:radial and thrust bearings?
A radial bearing is designed to support radial loads while reducing rotational friction, but does not necessarily allow motion along the axis of a shaft. Thrust bearings are designed to support axial loads while reducing rotational friction. Bearings such as tapered roller bearings support both axial and longitudinal loads while reducing rotational friction which makes them suitable for applications such as vehicle wheel hub bearings.
Q:What makes wheel bearings/hubs wear out? 1998 Chevrolet Malibu hubs going bad after eight months!?
yep buy cheap get cheap.check to see if they have a warranty on them.go buy the hubs and bearing from the dealer and have ur mechanic put them in.
Q:are bearings Dust Cover unique for specific wheel/hubs?
? dust covers don;t affect the bearings you must have something misunderstood if the bearings come out you have problems but that would be a matter of wrong bearings or wrong cones, not bad dust cover wle
Q:how can i make my skateboard bearings cleaner and faster?
There are citrus cleaners on the market (you may have some around the house like Desolvit or Goo B Gone or some orange cleaner) which can be used for cleaning bearings with. Not all bearings are serviceable, meaning that you can remove the protective shield on one side. The ones that are usually have a rubber seal on one side and the other is metal. You have to pop off pin holding on the shield and remove it, then remove the ball bearings. You can drop them in the cleaner and wipe out the crud inside the housing, then dry them off good and allow to air dry then re-assemble. After that you'll need some oil or hi-speed grease to pack them with and put back together. For bearings that aren't servicable you have a couple choices, either oil them (which is messy and the dirt will stay inside, but they will be a little faster), or I think they sell some cleaner in a jar for about $8-10 you can drop them in which supposedly cleans them then you have to oil them. But I don't think it works that great Good luck
Q:What kind of skateboard bearings should i get?
Bones Swiss Ceramics are the best you will find. But it shouldn't really matter too much what bearings you get unless you get REALLY cheap crappy ones, then you may notice a difference.
Q:which skateboard bearings are faster?
black panther are no contest
Q:I just changed my wheel bearings on one front wheel. I hear a 'clunk' when going around corners left and right
with the preliminary information you gave, it sounds like you have a CV joint going out. One way to confirmt this would be to jack your car up, and with the car in neutral, turn the wheel by hand, and see if it clunks then. If it does, you should be able to with a lot of care gently wigle it back and forth and locate the source.

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