HK 1518 Needle Bearing HK Series High Precision

Ref Price:
Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 set
Supply Capability:
1000000 set/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

Product Specifications:



Type:

Needle

Brand Name:

OEM

Bore Size:

15 mm

Outside Diameter:

21 mm

Model Number:

HK 1518

Precision Rating:

ABEC-1

Seals Type:

Open or Sealed

Number of Row:

Single Row

Place of Origin:

Jiangsu, China (Mainland)

Material:

Chrome Steel

Lubrication:

Grease Lubrication

Package:

Plastic Bag and Box

Equivalent:

HK 1518







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. Excellent and high quality control

2. Prompt delivery

3. Competitive price

4. Small order accepted 

5. Customers' drawing or samples accepted

6. OEM service


Application Area:


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


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 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision

HK 1518 Needle Bearing HK Series High Precision


Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:Dimensions of needle roller bearings
Needle roller bearings are cylindrical roller bearings, the roller is slender, the cross-section is smaller, and the bearing capacity of the load is higher, so it is suitable for radial installation size limited supporting effect. Needle roller bearings are equipped with a thin and long roller (roller length is 3~10 times the diameter, generally less than 5mm diameter), radial structure is compact.A complete bearing code is composed of the basic code number plus one or more supplementary codes. All standard bearing SKF have certain basic types, there are usually three, four or five numbers, or letters and numbers, the first number or the first letters said bearing type, followed by two digits identifies the size of ISO series.Because the model of needle roller bearings is relatively complex, only a few specific classification and model control of needle roller bearings are introduced here:1, centripetal needle roller and cage assembly (type K)2, outer ring with double lock ring needle roller bearings (NA, NKI, RNA, NK)3. Single row needle roller bearings with double retaining rings (NA, NKI, RNA, NK)4. Double row needle roller bearings with double retaining rings (NA, RNA)5, stamping outer ring needle roller bearings (HK type, BK type)The bearing has low cost and large carrying capacity, and is suitable for the supporting structure with limited size of installation.
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:The difference between NK type and NKI type in needle roller bearings
NK and NKI are light series needle roller bearings. The difference is that one with inner ring and one without inner ring. The following problems are shown. Relevant technical data of the model are compared. Are they in line with your requirements?:INA needle roller bearing NK40/20-TVLight seriesFw 40, mmD 50, mmC 20, mmRmin 0,3 mmM 78 g qualityCr 26000 N basic rated dynamic load radialC0r 47000 N basic rated static load radialCur 6700 N fatigue limit load, radialNG 10900 1/min limit speedNB 6400 1/min reference speedINA needle roller bearing NKI35/20-TVLight seriesD 35, mmD 50, mmB 20, mmF 40, mmRmin 0,3 mmS, 0,5, mm axial displacement distanceM 122 g qualityCr 33500 N basic rated dynamic load radialC0r 56000 N basic rated static load radialCur 9800 N fatigue limit load, radialNG 11500 1/min limit speedNB 6200 1/min reference speed
Q:Roller needle roller bearings can be used directly as a wheel?
Yes, it's the roller itself. However, as the use of wheels is not so good control, because the surface of the bearing itself after finishing processing, very smooth, friction will be very small.
Q:Which method should be used for axial fixing of needle roller bearing in stamping outer ring?
For the shaft, the bearing seat is fixed in the case, if the load direction remains unchanged, then take the shaft and cone fitting, the bearing seat and the outer loose. But the press pin of the outer ring is different. The outer ring and the bearing seat of the outer ring needle roller bearing must be tightly matched, or interference fit, because the roundness of the raceway of the outer ring can be ensured. However, another function of interference fit is to a certain degree of fixed outer ring. For needle rollers, most of them are sufficient. Do not forget the characteristics of needle roller bearings - they do not bear axial force. Then, when installing, can I use the seat block to limit the position? The answer was No. Please note the stamping of the outer ring bearing, both sides are asymmetrical. In order to fit the needle and cage, one lip of the outer ring needs annealing so it is very soft. Because it is very soft, so the installation of this side can not be pressed to the end cap or shoulder and so on. The correct installation method is the installation tool and do a simple calculation of some, there is no longer enough.
Q:What are the differences between needle roller bearings and cylindrical roller bearings?
Mainly the difference between rolling bodiesThe needle length and diameter ratio (aspect ratio) is greater than 3, less than 5 mm in diameterThe cylindrical length and diameter ratio (aspect ratio) is less than 3, greater than 5 mm in diameter
Q:Needle roller bearings are how to process the needle, so smooth finish?
The process of needle: blank forming, deburring, heat treatment, coarse and fine grinding, end rolling surface, super finishing rolling surface polishing or sawdust.For flat head or taper head needle roller, such as blank forming, it is difficult to guarantee the length and size tolerance, and the grinding double end process can be increased. If the convex generatrix rolling surface is needed, it can be carried out directly in the process of super finishing, rolling or channeling.Needle roller bearing (needlebearing) is a roller bearing with cylindrical roller, relative to its 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 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. The needle roller bearing for stamping outer ring is needle roller bearing with thin stamping forming outer ring.
Q:What is the bearing capacity of needle bearing and copper sleeve?
The bearing capacity of plain bearings with copper sleeve is large. However, the speed of the shaft has a certain requirement, the speed is too low, too high, can not establish oil film, will soon wear.
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's all oil holes, but if it's needle roller bearings, there should be very little oil holes. We also do one-way needle roller bearings, but there are no oil holes, there are oil holes are generally reflected in other series

1. Manufacturer Overview

Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range