HK 4212 Drawn Cup Needle Roller Bearings HK Series High Precision

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Product Specifications:


Model No.: HK 4212

Brand Name: OEM


Net weight: 0.029kg

Material: Chrome steel

Cage: Brass, Steel


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.


1.Industrial packing: box

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

3.According customer's requirement


T/T, L/C, Western Union

Delivery time

About 3 to 5 working days


Warrantee: 1 year

Samples: available

OEM: available

Free technical support and after-sales service

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.


The draw up needle roller bearing has two structures-with retainer and with full of needles. They are are divided intoopenend type and close-end type. The structure with retainer has the single seal ring and double seal ring .The structure with full of needles has a large load carrying capacity.

Product Applications:

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

HK 4212 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




Q: Do you have after-serivice or can we return the goods if the goods are defective?

A: Yes, we do. After the goods are shipped, we have one year guarantee. If the shipped goods are approved to be defective, such as rusty, broken, severe deform etc. we will be responsible for the loss.  


Q: What is your main product?

A: We mainly produce Spherical Roller Bearing, but we have worked in bearing field for more than 20 years. We have a comprehensive network of  sourcing and trading all kinds of other bearings including Deep Groove Ball Bearing , Angular Contact Ball Bearing,Cylindrical Roller Bearing , Taper Roller Bearing And Spherical Roller Thrust Bearing , etc .

HK 4212 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4212 Drawn Cup Needle Roller Bearings HK Series High Precision

HK 4212 Drawn Cup Needle Roller Bearings HK Series High Precision

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Q:Working principle of one-way needle roller bearings
The main structure of the unidirectional bearing EG unidirectional roller bearing EG-- | stamping outer ring needle roller clutch (one-way bearing) can be used as a converter, a non-return device, overrunning clutch. HF (needle roller clutch): composed of stamping outer ring and plastic cage. The cage can be provided with plastic spring or stainless steel leaf, guide roller, roller, roller and needle on outer ring as locking device. HFL (clutch and bearing assembly): support bearings are mounted on both sides of the needle clutch and bear radial loads. The needle bearings and plastic cage assemblies are used as supporting bearings
Q:How much would it cost to replace bearings on bicycle?
With that many miles, you may desire to get your motorcycle right into a close-by motorcycle keep. you will probably want a clean chain, rear cassette, front chainrings and brake alterations. The overhaul could desire to fee one hundred money or so plus aspects, yet you may desire to get by making use of for below 200. Gary Fisher makes very stable motorcycles and the physique can final you properly over 10 years. inspite of the shown fact that, purely like a vehicle, your motorcycle desires periodic maintenance. in case you spend 3 hundred-500 money on a clean motorcycle, yet do not do any maintenance, you would be asking the comparable question in 2 greater years. reckoning on the circumstances you experience in, you may desire to be cleansing and lubing your chain and cables usually. The greater dirt, airborne dirt and mud, airborne dirt and mud and water that your motorcycle is in, the greater maintenance required. it particularly is all basic to do, you purely want somebody to tutor you. once you're taking your motorcycle in to get fixed, purely ask them to tutor you what to do for preventative maintenance.
Q:What are the best skateboard bearings out there?
Q:How to clean abec 9 bearings? the part in the middle of a scooter wheel?
The preferences are based on what works for you. For cleaning the bearings, I use lamp oil (desented kerosene) because it cleans out anything. I then wash it out with denatured alcohol which also dries the bearings. If you use a water based cleaner like citrus cleaners, do not soak them overnight since it can damage the bearings. Almost anything works for lubricants. Super light things like the sprays don't last very long. Some people spray them every time they go out. Oils roll quickly right away but are not as waterproof as greases or last very long. Greases are slower at the start but will last a lot longer. Use very little. A drop or two of oil or a few pin head sized blobs of grease.
Q:Do Volkswagen beetle bugs have bearings?
You can replace the bearings separately. Get a competent mechanic to remove the old bearings and press in the new ones. Rather replace both sides while you're at it - you don't want the other side to go a few months after the left side. Get original VW, or SKF, INA or FAG bearings. Some VWs (not sure about the Beetle, but probably) use the bearing as part of the wheel speed sensor. If that doesn't work, your ABS and traction control systems are disabled.
Q:Are internal shaft bearings the same things as internal shaft bearings?
Bearings come in many types, and are designed for specific applications. Auto engines primarily create radial loading, but the loading is far from uniform through a single revolution. An application with uniform loading would normally use a ball bearing, but the extremes of force make a journal bearing with forced lubrication more suitable for high intermittent' loading. The image below shows typical journal bearings (bushings). The term reciprocal as an elision of reciprocating is entirely out of use (but might appear in manuals published in the 20's). Shaft bearing come in many categories, but in the case of non-linear reciprocating loads, they're now known as journal bearings.
Q:Do I need new skate wheel bearings?
buying new bearings will be the best option. Giving it some oil would be a temporary fix, but later on you will find it does not help anymore. Get some new ones and you will be gliding ..
Q:How often do you clean your skateboard bearings, and with what?
How To Clean Skateboard Bearings
Q:Good skate bearings?
The best bang for your buck are Bones Reds. They last a long time. DO NOT buy lucky bearings. They suck!!!!!!!!!
Q:How many bearings should a good spinning reel have?

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