HK 4212 Drawn Cup Needle Roller Bearings HK Series High Precision

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

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Product Description:

Product Specifications:


Specification

Model No.: HK 4212

Brand Name: OEM

Size:42*49*12mm

Net weight: 0.029kg

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


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


FAQ:


WHY CHOOSE US ???

 

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:trouble with Honda main bearings?
Honda uses this system to get extremely close tolerances on bearings/journals from the factory. After it has been run 100,000 miles (or 250,000); when it is time for overhaul, the crank gets turned to fit .010, or .020 under-size bearings. The clearance is determined by the machinist turning the crankshaft. Be careful, many machinists go for big clearance, like .003 because they are used to building race engines that last 3 races and get rebuilt again (short life). Better have a shop manual on hand and ask him to shoot for the smaller side of clearances.
Q:what kind of bearings are better for a skateboard???
dont let price fool you, reds bearings work well for a pretty inexpensive price
Q:If I put loose bearings in my bottom bracket how much space am I supposed to leave?
Never use old bearings with new ones. The old ones are worn and no longer the same size as the new ones. If properly installed, bearing retainers should never be damaged in a bottom bracket. I have a Campagnolo bottom bracket on one of my bikes. The bearing retainers in that bottom bracket are the ones that came with it when I bought it in 1973. I have changed the ball bearings several times but I kept the bearing retainers. If your bearing retainers are being damaged it is because of improper installation or other damage. Since you also had trouble with damaged bearing retainers in your headset, I vote for improper installation
Q:What would happen if I don't do something about my Wheel Ball Bearings?
They can begin to wear away the metal where they are fitted, and start to enlarge it. it will alsostart to cause wheel wobble and braking problems.
Q:How good are ceramic bearings?
Ceramic bearings will not hold up to jumps. They are primarily intended for downhill longboarding and street luge. They would work as a speed skate bearing as well. Go for a Swiss bearing like Pig Swiss or Black Panther Swiss. .
Q:Grinding and clicking noise - Wheel Bearings?
Yea it is that kind of engine.
Q:Question about skateboard bearings.?
Yeah guy. Of direction so one can be first-rate. I've performed that earlier than while I was once more youthful due to the fact I had not anything else lol. Yeah, simply positioned it on and roll your wheels and positioned extra on. Do that for a couple of days in a row and your bearings will probably be spinning and spinning and spinning!
Q:Why do some roller bearings have tapered bores on the inner rings?
The tapered ones are made to take a side force. .
Q:What kind of bearings do these reels have?
they both DO have the HPCR bearings. perhaps l missed something... don't the bearings remove from the reel in the same way? they change nothing as far as the rest of the parts, no? if they're sealed, that should make service even easier. although, you perhaps do make a point... if you can't readily lube the bearings and they SHOULD happen to fail for some reason, the replacement cost may be a bit much. should that ever happen, replace them anyway with the high performance ceramic ones. G: son, l ama disappoint.
Q:Driving with bad bearings?
sounds like a bad right front cv axle, if the noise isn't real bad you should be ok until wednesday.

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