HK 1516 Drawn Cup Needle Roller Bearings With Open Ends CJW

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
100 set
Supply Capability:
100000 set/month

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Product Description:

Quick Details

Type:

Needle

Material

Chrome Steel

Bore Size:

15 mm

Outside Diameter:

21 mm

Model Number:

HK1516 needle roller bearing

Seals Type:

open

Number of Row:

Single Row

Place of Origin:

Shandong, China (Mainland)

Precision Rating:

P0


Packaging & Delivery

Packaging Details:1. industry packing: industry paper or tube + carton+ pallet 2. individual packing: single colour box+ carton+ pallet 3. based on the customers' requirement
Delivery Detail:1) within 5 days for stock 2) 18-25 days for big quantity


FAQ

Q:  I have a urgent order , and want to find a good supplier in short time ,what should i do ?

A: Please send your inquiry to me ,and tell me ,the model ,quantity ,material ,package ,precision ,you need ,i will give you a quick response.

 

Q:  How can i get a price with a discount ?

A:  Discount according to orders .Bigger order ,less money every bearing will cost ,then discount will be bigger . 

 

Q:  I have a trial order ,the quantity is little ,could you manufacturing it for me ?

A:  Please contact me ,i will tell you the MOQ.If you also need we design the single box for you ,we could make it for you ,and the extra cost of the order will return you by next official order.

 

Q:  I don’t know your factory before ,could you tell me which company you are cooperating now ? I want to get to know your factory?

A:  Sorry ,this is our company regulation :we should not let the information of our customer out ,in the same time ,we also keep your information confidential.If you want to know more information ,you could get some free sample from our factory or visit factory if you have the time .

 

Q:  Does your company could accept D/P or D/A payment terms?

A:  The payment terms of our company is :30% deposit by T/T or West Union ,70 % balance against the copy of B/L.

 

Q:Now i have a important order ,the quality must be good ,and my customer will test the goods when receive it ,the quality must be good ,can i trust you ?

A:Our manufacturing factory was founded in August 1998, with so many years professional experience,if you need some certificate to show for your customer ,please inform us ,we believe could help you to enlarge your market!

 

Package:

1.Industry package: Plastic paper+Kraft paper,10pcs or 5pcs/roll

2.Plastic tube: 10pcs/tube or 5pcs/tube

3.Single box: plastic bag+single box, OEM supply

4.Single wooden box: plastic bag+single wooden box

5.Carton: or as your need.

6.Pallet: Wooden

 

Delivery:

1) Less than 45 KGS, we will send by express. ( Door to Door, Convenient )

2) Between 45 - 200 KGS, we will send by  air transport. ( Fastest and safest, but expensive )3) More than 200 KGS, we will send by sea. ( Cheapest, but long time )




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Q:Needle roller bearing is also called cam bearing?
Seems not.Cam bearings are also called roller bearings and bolt bearings.
Q:Dimensions of needle roller bearings
There isn't such a strong needle roller. But look at the picture. It's likeHave not seen in kind, in terms of size, there is a support roller meet, estimate and reference it, not necessarily accurateBrand: Germany INA NATR30 if the seal is: NATR30UUThe following diagram: small d:30 D:62 C:28 B:29Cheaper to use in Japan, IKO, model is: NART30
Q:Cylindrical roller bearings and needle roller bearings is the same thing?
Cylindrical roller bearings, rolling bodies are cylindrical roller bearings. Cylindrical roller and raceway are line contact bearings. Load capacity, mainly bear radial load. The friction between the rolling body and the ring block is small and suitable for high speed rotation. According to the ring has no edge, can be divided into NU, NJ, NUP, N, NF and other single row bearings, and NNU, NN and other double row bearings. Needle roller bearings are cylindrical roller bearings, relative to their diameter, the roller is thin and long. This roller is called needle roller. Although it has a small section, the load bearing capacity of the bearing is still high, with thin and long needle bearing roller (roller diameter of D = 5mm, L/D = 2.5, L roller length), so the radial structure is compact, the minimum diameter of the diameter and load capacity and other types of bearings, bearing the same, especially for the structure in radial installation size limited. According to the use of different occasions, can choose the inner ring of the bearing or needle roller and cage assembly, the shaft neck surface and the surface of shell holes matched with a bearing directly as the bearing inner and outer rolling surface, in order to ensure the load capacity and operating performance and have the same ring bearing, shaft or housing bore raceway surface hardness the machining precision and the surface quality of bearing ring raceway and similar. This kind of bearing can only bear radial load.
Q:How much speed can the needle bearing of inner bore 17mm bear?
The needle bearings with an inner diameter of 17mm have various forms.1. needle roller and cage assembly2. press outer ring needle roller bearing3. solid needle roller bearingsPermissible rotation speed of needle and cage assemblies:Grease lubrication: 16000rpmOil lubrication: 26000rpmAllowable speed of needle roller bearing for stamping outer ring:Grease lubrication: 12000rpmOil lubrication: 19000rpmAllowable rotational speed of solid needle roller bearings:Grease lubrication: 13000rpmOil lubrication: 20000rpm
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
One end of the needle roller bearing in the stamping outer ring can take the bearing end cover and fix the outer ring in axial direction. How can the other end be fixed?
Q:What is the needle roller bearing model with outer diameter 21 and inner diameter 16?
Needle bearing roller bearings are cylindrical roller, relative to its diameter, the roller is thin and long, hence the name. Although the needle roller bearings with a smaller section, the load bearing capacity of the bearing is still high, with thin and long needle bearing roller (roller diameter of D = 5mm, L/D = 2.5, L roller length), so the radial structure is compact, its diameter and load capacity and other types of bearings at the same time, minimum diameter, especially for the supporting structure of radial installation size limited.
Q:Needle roller bearing model NK what does it mean?
Is prefix, needle classification of a, NK is not with inner ring, NKI is with inner ring, different brand name is not the same
Q:Working principle of one-way needle roller bearings
One way bearing is a type of bearing that can only be turned in one direction and locked in another direction.The metal shell of the one-way bearing, contains a lot of rollers (or needle ball), and the rolling block (acupoints) shape so that it can only roll in one direction, (because the installation direction of the rolling direction opposite spring, so spring is compressed). In another direction when the rolling direction and spring mounting same direction, not to cause the compression spring, up roller, roller to produce a lot of resistance in between the inner shell and outer shell (the so-called "one-way"), stop rolling bearing.
Q:What are the needle roller bearings with an inner diameter of 14, an outer diameter of 20 and a width of 20?
I didn't find a modelIt should be non-standard
Q:Many one-way needle roller bearings have small holes in the inner and outer rings. What's the function of these small holes?
It should be the oil storage hole, whose main function is to store grease and lubricate the needle roller.

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