China Custom Bearing Factory China CZPT CZPT Needle Roller Bearing Wj Series with Best Sales

Product Description

Welcome to choose KORTON INDUSTRIAL LIMITED. 

NO 1. our adwantages:

1. 14 years bearing products manufacturing and 4 years exporting experiences.
2. OEM order and non-standard bearing order can be accepted.
3. Our main bearing products include Deep groove ball bearings, tapered roller bearings, cylindrical rollerbearings, spherical ball bearings, spherical roller bearings,  angular contact bearings, needle roller bearings, thrust ball bearings, spherical plain bearings, spherical bearings, automotive bearings pump bearings, and many nonstandard bearings are also in our product range.
4. Sample available
 
NO 2. Description: Needle Bearing
   

1 Drawn Cup Needle Bearing HK, BK
2 Needle Bearing with Inner Ring NA, NKI
3 Needle Bearing without Inner Ring NK, RNA
4 Full Complement Needle Bearing NAV
5 Radial Needle Roller and Cage Assemblies K, KK
6 Thrust Needle Roller and Cage Assemblies AXK, AS

 
 NO 3. OEM all brand bearing

1. deep groove ball bearing 6000,6200,6300,6400,61800,61900,Z,RS,ZZ,2RS
2. spherical roller bearing 22200,22300,23000,24000,23100,24100,CA,CC,E,W33
3. cylindrical roller bearing N,NU,NJ,NN,NUP,E,ECP,ECM,ECJ
4. taper roller bearing 35710,30300,32200,32300,31300,32000
5. Aligning ball bearing 1200,1300,2200,2300,
6. needle roller bearing NA,NAV,NK,NKI,RNA,NK,RNAV,ZKLF,ZKLN,ZARF,ZARN
7. thrust ball bearing 51100,51200,51300,51400,E,M
8. angular contact ball bearing7000,7100,7200,7300,AC,BECBM,C 
9. spherical plain bearing GE,GEG,GEEW,U,UC,UG,GX,GAC,SA,SABP
10.Wheel hub bearing /ceramic bearing/plastic bearing/lazy susan bearing
 
 NO 4. Needle Bearing Specification:
 

Seals Types OPEN
Vibration Level Z1V1,Z2V2,Z3V3
Clearance C2,C0,C3,C4,C5
Tolerance Codes ABEC-1,ABEC-3,ABEC-5
Materral GCr15-China/AISI52100-USA/Din100Cr6-Germany
MOQ 1Set at least
Delivery Time 5-15 days after contract
Payment Terms TT/PAPAL/WESTERN UNION
Package Tube package+outer carton+pallets;Single box+outer carton+pallets;
Tube pavkge+middle box+outer carton+pallets;According to your requirement

 
NO 5. Needle Bearing Models and Size: 
 

Bearing Designation Boundary Dimensions Basic Load Ratings Limiting Speed
HK BK Fw D C Cr Dynamic Cor Static Oil
mm mm mm Nm Nm
HK0306TN BK0306TN 3 6.5 6 1320 950 60000
HK0408TN BK0408TN 4 8 8 1540 1070 40000
HK0509 BK0509 5 9 9 2200 1790 36000
HK0608 6 10 8 1830 1550 32000
HK0609 BK0609 6 10 9 2650 2400 3000
HK0708 7 11 8 2800 2150 27000
HK0709 BK0709 7 11 9 2800 2150 27000
HK0808 BK0808 8 12 8 2550 2400 21000
HK571 BK571 8 12 10 3700 3450 21000
HK08×14×10 8 14 10 3800 3950 25000
HK08×14×12 8 14 12 4100 4320 25000
HK571 BK571 9 13 10 4050 4250 25000
HK571 9 13 12 5000 6000 25000
HK1571 BK1571 10 14 10 3900 4800 19000
HK1012 BK1012 10 14 10 5000 6300 19000
HK1015 10 14 15 6700 7800 19000
HK10×16×10 10 16 10 6800 8800 18000
HK10×16×12 10 16 12 6800 8800 18000
HK10×16×15 10 16 15 6800 8800 19000
HK1210 BK1210 12 16 10 4150 5800 19000
HK1212 BK1212 12 18 12 3800 5100 15000
HK12×17×12 12 17 12 5100 7000 15000
HK12×17×15 12 17 15 5100 7000 15000
HK12×17×18 12 17 18 5100 7000 15000
HK12×18×12 BK12×18×12 12 18 12 550 6300 17000
HK1312 BK1312 13 19 12 6200 7100 17000
HK13.5×20×12 13.5 20 12 6250 7590 16000
HK1412 14 20 12 6800 7500 14000
HK1416 14 20 16 7300 9000 14000
HK15×20×12 15 20 12 5800 6000 14000
HK15×20×16 15 20 16 6000 6200 14000
HK15×20×20 15 20 20 6100 6400 14000
HK1512 BK1512 15 21 12 7000 8400 14000
HK1514 15 21 14 8500 10400 13000
HK1515 15 21 15 9100 11400 13000
HK1516 BK1516 15 21 16 9800 11400 14000
HK1522 15 21 22 10400 16500 14000
HK15×22×12 15 22 12 14300 18400 13000
HK1612 BK1612 16 22 12 7100 9200 14000
HK1614 16 22 14 8800 9900 12000
HK1616 BK1616 16 22 16 15710 14300 14000
HK1622 16 22 22 11100 17400 14000
HK1712 17 23 12 6900 9300 13000
HK1714 17 23 14 6800 15710 10000
HK1716 17 23 16 8500 12500 10000
HK1718 17 23 18 9500 10600 10000
HK17×25×14 17 25 14 13100 147000 10000
HK17×25×18 17 25 18 9500 10600 11000
HK1812 18 24 12 7100 9900 12000
HK1816 BK1816 18 24 16 10600 15300 12000
HK2571 20 26 10 5900 7200 10000
HK2014 20 26 14 9700 18100 9000
HK2016 BK2016 20 26 16 11700 29100 10000
HK2018 20 26 18 7900 12800 9000
HK2571 20 26 20 13700 24000 10000
HK2030 20 26 30 21800 40000 15710
HK20×27×20 20 27 20 26300 47800 9900
HK2210 22 28 10 7200 9500 1571
HK2212 BK2212 22 28 12 8100 10400 1571
HK22×29×30 22 29 30 19400 33100 9000
HK2512 BK2512 25 32 12 10000 14200 9000
HK2525 BK2525 25 32 25 22200 36700 9000
HK2816 BK2816 28 35 16 15400 22500 8700
HK2820 BK2820 28 35 20 18900 32000 8700
HK3012 BK3012 30 37 12 15710 16200 8100
HK3571 BK3571 30 37 20 19700 33500 8100
HK3224 32 39 24 25500 5200 7300
HK3516 BK3516 35 42 16 15700 27500 7100
HK4012 BK4012 40 47 12 14000 24300 6300
HK4512 BK4512 45 52 12 12900 22500 5800
HK5571 BK5571 50 58 20 28000 60000 5300
HK6012 BK6012 60 68 12 12400 29000 4100

 

Shaft Dia Unit No. Dimensions (mm) Basic Load Ratings Limiting speed Weight
mm d F D B r min S C KN C0 KN r/min g
10 NA4900 10 14 22 13 0.3 0.5 8.5 9.2 20000 23
12 NA4901 12 16 24 13 0.3 0.5 9.4 10.9 17000 26
15 NA4902 15 20 28 13 0.3 0.5 10.6 13.6 14000 34
17 NA4903 17 22 30 13 0.3 0.5 11 14.6 12000 37
20 NA4904 20 25 37 17 0.3 0.8 21 25.5 10000 141
22 NA49/22 22 28 39 17 0.3 0.8 22.8 29.5 9500 80
25 NA4905 25 30 42 17 0.3 0.8 23.6 31.5 9500 88
28 NA49/28 28 32 45 17 0.3 0.8 24.4 33.5 8500 97.7
30 NA4906 30 35 47 17 0.3 0.8 25 35.5 8000 101
32 NA49/32 32 40 52 20 0.6 0.8 30.5 47.5 7000 158
35 NA4907 35 42 55 20 0.6 0.8 31.5 50 7000 170
40 NA4908 40 48 62 22 0.6 1 43 67 6000 230
45 NA4909 45 52 68 22 0.6 1 45 73 8500 5500
50 NA4910 50 58 72 22 0.6 1 47 80 5000 274
55 NA4911 55 63 80 25 1 1.5 58 100 4700 393
60 NA4912 60 68 85 25 1 1.5 60 108 4300 426
65 NA4913 65 72 90 25 1 1.5 61 112 4100 456
70 NA4914 70 80 100 30 1 1.5 84 156 3800 728
75 NA4915 75 85 105 30 1 1.5 86 162 3600 775
80 NA4916 80 90 110 30 1 1.5 89 174 3400 878
85 NA4917 85 100 120 35 1.1 1 111 237 2800 1250
90 NA4918 90 105 125 35 1.1 1 114 250 3000 1312
95 NA4919 95 110 130 3 1.1 1 116 260 2800 1371
100 NA4920 100 115 140 40 1.1 2 128 270 2900 1900
110 NA4922 110 125 150 40 1.1 2 132 290 2600 2070
120 NA4924 120 135 165 45 1.1 2 181 390 2300 2860
130 NA4926 130 150 180 50 1.5 1.5 203 470 2000 3900
140 NA4928 140 160 190 50 1.5 1.5 209 500 1800 4150
 
 

NO. NO. SIZE
WITH INNER WITHOUT INNER mm
d Fw D C r min
NA5902 RNA5902 15 20 28 18 0.3
NA5903 RNA5903 17 22 30 18 0.3
NA5904 RNA5904 20 25 37 23 0.3
NA59/22 RNA59/22 22 28 39 23 0.3
NA5905 RNA5905 25 30 42 23 0.3
NA59/28 RNA59/28 28 32 45 23 0.3
NA5906 RNA5906 30 35 47 23 0.3
NA59/32 RNA59/32 32 40 52 27 0.6
NA5907 RNA5907 35 42 55 27 0.6
NA5908 RNA5908 40 48 62 30 0.6
NA5909 RNA5909 45 52 68 30 0.6
NA5910 RNA5910 50 58 72 30 0.6
NA5911 RNA5911 55 63 80 34 1
NA5912 RNA5912 60 68 85 34 1
NA5913 RNA5913 65 72 90 34 1
NA5914 RNA5914 70 80 100 40 1
NA5915 RNA5915 75 85 105 40 1
NA5916 RNA5916 80 90 110 40 1
NA5917 RNA5917 85 100 120 46 1.1
NA5918 RNA5918 90 105 125 46 1.1
NA5919 RNA5919 95 110 130 46 1.1
NA5920 RNA5920 100 115 140 54 1.1
NA5922 RNA5922 110 125 150 54 1.1
NA5924 RNA5924 120 135 165 60 1.1
NA5926 RNA5926 130 150 180 67 1.5
NA5928 RNA5928 140 160 190 67 1.5

 

      Bearing                     NO. Shaft   Diameter  (mm) Dimension(mm) Mass   Approx  (g)
Current Code Fw D C
 K3X5X7TN  3  3  5  7  0.3
K3X5X9TN 3 3 5 9 0.4
K3X6X7TN 3 3 6 7 0.4
K4X7X7TN 4 4 7 7 0.5
K4X7X10TN 4 4 7 10 0.7
K5X8X8TN 5 5 8 8 0.7
K5X8X10TN 5 5 8 10 0.9
K6X9X8TN 6 6 9 8 0.8
K6X9X10TN 6 6 9 10 1
K6X10X13TN 6 6 10 13 1.3
K7X10X8TN 7 7 10 8 0.9
K7X10X10TN 7 7 10 10 1.1
K8X11X8TN 8 8 11 8 1.1
K8X11X10TN 8 8 11 10 1.7
K8X11X13TN 8 8 11 13 1.8
K8X12X10TN 8 8 12 10 1.3
K9X12X10TN 9 9 12 10 1.5
K9X12X13TN 9 9 12 13 1.9
K10X13X10TN 10 10 13 10 1.6
K10X13X13TN 10 10 13 13 2.1
K10X13X16TN 10 10 13 16 2.2
K10X14X10TN 10 10 14 10 2.9
K10X14X13TN 10 10 14 13 4.3
K10X16X12TN 10 10 16 12 3.7
K12X15X9TN 12 12 15 9 2.7
K12X15X10TN 12 12 15 10 1.9
K12X15X13TN 12 12 15 13 2.4
K12X16X8TN 12 12 16 8 2.9
K12X16X10TN 12 12 16 10 3.4
K12X16X13TN 12 12 16 13 3.8
K12X17X13TN 12 12 17 13 4.4
K12X18X12TN 12 12 18 12 5
K12X15X20TN 12 12 15 20 3.8
K14X17X10 14 14 17 10 4
K14X17X17 14 14 17 17 6.8
K14X18X10 14 14 18 10 4.8
K14X18X13 14 14 18 13 6.3
K14X18X14 14 14 18 14 6.8
K14X18X15 14 14 18 15 7.3
K14X18X17 14 14 18 17 8.1
K14X20X12 14 14 20 12 8.6
K15X18X14 15 15 18 14 5.3
K15X18X17 15 15 18 17 6.4
K15X19X10 15 15 19 10 5.1

 

Why Choose Us:
 
We are an industrial and trading company.We have our own brand: SFNB .If you interested in our product,I can take you to visit our factory.
Our factory have advanced testing equipment,before the every product leave the factory,we will be testing.We can send samples to you,you can test the quality,and if you accept the sample quality,we can promise: the follow-up orders’ quality will be the same as samples.
About ordinary standard type of bearing ,We have rich inventory,not have MOQ,if your need a product is Non-standard size,need customize,we will according the product size to determine the MOQ.
Our company can accept OEM,you can send sample to me,we can manufacturing products the same as sample.Meanwhile,we also can accept some well-known brands of OEM,
If the amount of money is less,you can pay it by Paypal.Of course you can payment by TT or Western Union etc. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Cage: Without Cage
Rows Number: Single
Load Direction: Radial Bearing
Style: Without Outer Ring
Material: Bearing Steel
Type: Open
Customization:
Available

|

Customized Request

needle bearing

Enhancement of Medical Devices and Instruments through Needle Bearings

Needle bearings play a crucial role in enhancing the functionality and precision of various medical devices and instruments. Their unique design characteristics make them well-suited for applications in the medical field, where accuracy, reliability, and smooth operation are paramount. Here’s how needle bearings improve the functionality of medical devices and instruments:

  • Surgical Instruments:

1. Surgical Drills and Tools:

Needle bearings are used in surgical drills and powered tools to facilitate precise and controlled rotational movement. These bearings provide low friction and maintain consistent performance, allowing surgeons to perform delicate procedures with accuracy.

  • Medical Imaging Equipment:

1. X-Ray Machines and CT Scanners:

Needle bearings are employed in the rotating components of X-ray machines and CT scanners. The smooth rotation enabled by needle bearings ensures accurate positioning and imaging, reducing image artifacts and enhancing diagnostic capabilities.

  • Diagnostic Instruments:

1. Blood Analysis Machines:

Needle bearings contribute to the smooth operation of blood analysis machines, ensuring precise movement of components that handle blood samples. This accuracy is vital for obtaining reliable diagnostic results.

  • Pharmaceutical Devices:

1. Drug Dispensing Systems:

Needle bearings are used in drug dispensing systems to ensure precise and consistent delivery of medications. The smooth movement of these bearings contributes to accurate dosage administration.

  • Patient Beds and Equipment:

1. Adjustable Beds and Chairs:

Needle bearings are utilized in adjustable beds and patient chairs to facilitate smooth and precise adjustments. These bearings enhance patient comfort and allow healthcare professionals to position patients accurately.

  • Microsurgery Devices:

1. Microsurgery Instruments:

Microsurgery requires utmost precision, and needle bearings play a vital role in ensuring the accuracy of microsurgery instruments. These bearings enable controlled movement, allowing surgeons to perform intricate procedures with minimal disruption.

By incorporating needle bearings into medical devices and instruments, manufacturers achieve several benefits:

  • Precision:

Needle bearings enable accurate and controlled movement, critical in medical procedures where precision is essential.

  • Reliability:

The reliable performance of needle bearings ensures consistent operation of medical devices, reducing the risk of malfunctions during critical procedures.

  • Smooth Operation:

The low-friction design of needle bearings contributes to smooth and friction-free movement in medical devices, enhancing overall functionality.

  • Reduced Wear:

Needle bearings’ ability to distribute loads evenly reduces wear and prolongs the lifespan of components, minimizing the need for frequent replacements.

  • Accuracy:

Accurate movement provided by needle bearings enhances the precision of medical imaging and diagnostic equipment, leading to more reliable results.

Needle bearings are an integral part of medical devices and instruments, contributing to improved patient care, accurate diagnostics, and successful medical procedures.

needle bearing

Enhancement of Automotive Engines and Transmissions through Needle Bearings

Needle bearings play a critical role in enhancing the operation of automotive engines and transmissions, contributing to their efficiency, reliability, and overall performance. These precision bearings are strategically employed in various components to address specific challenges and optimize functionality. Here’s how needle bearings enhance the operation of automotive engines and transmissions:

  • Engine Components:

1. Connecting Rods:

Needle bearings are commonly used in connecting rods, the crucial components that connect the piston to the crankshaft. Their compact design and high load-carrying capacity allow for smooth reciprocating motion while accommodating the dynamic loads generated by combustion.

  • 2. Camshafts:

In overhead camshaft (OHC) configurations, needle bearings are employed to support the camshaft. These bearings reduce friction and ensure precise rotation, allowing for accurate valve timing and improved engine efficiency.

  • 3. Rocker Arms:

Needle bearings are utilized in rocker arm assemblies to facilitate the movement of rocker arms. This contributes to more precise valve actuation, reduced friction, and enhanced overall engine performance.

  • Transmissions:

1. Gear Shafts:

Needle bearings are used in gear shafts to support and facilitate their rotational movement. The low-friction characteristics of needle bearings improve gear shifting smoothness and reduce energy loss, enhancing transmission efficiency.

  • 2. Planetary Gears:

Automatic transmissions feature planetary gearsets, where needle bearings provide support between gear elements. This design reduces friction during gear engagement and disengagement, resulting in seamless gear changes.

  • 3. Torque Converters:

In automatic transmissions, needle bearings contribute to the operation of torque converters. They enable the smooth transfer of power between the engine and transmission, enhancing drivability and fuel efficiency.

By incorporating needle bearings into these critical engine and transmission components, automotive manufacturers achieve several benefits:

  • Reduced Friction:

The low-friction design of needle bearings reduces energy loss, contributing to improved fuel efficiency and overall engine performance.

  • Enhanced Durability:

Needle bearings’ ability to handle high loads and provide reliable support extends the lifespan of engine and transmission components.

  • Precise Motion:

Needle bearings facilitate precise and controlled motion in components like camshafts, rocker arms, and gear shafts, resulting in accurate engine timing and smooth gear shifts.

  • Reduced Vibration:

By minimizing friction and providing stable support, needle bearings contribute to reduced vibration and noise in the engine and transmission systems.

  • Improved Shift Quality:

Seamless gear shifts and smooth operation in automatic transmissions are achieved through the use of needle bearings in gear assemblies.

  • Optimized Performance:

Overall, needle bearings enhance the efficiency, durability, and performance of automotive engines and transmissions, resulting in vehicles that are more fuel-efficient, reliable, and enjoyable to drive.

needle bearing

Applications and Industries Commonly Using Needle Bearings

Needle bearings, due to their unique design and advantageous characteristics, find applications in a wide range of industries and scenarios where compactness, high load capacity, and efficient motion are essential. Here are some typical applications and industries where needle bearings are commonly used:

  • Automotive Industry:

Needle bearings are used in various automotive components, including engines, transmissions, drive shafts, and wheel hubs. They provide efficient load handling and precise motion, contributing to the performance and reliability of vehicles.

  • Industrial Machinery:

Industrial machinery, such as machine tools, printing presses, textile machines, and conveyors, often rely on needle bearings for their ability to handle high radial loads while maintaining a compact size. These bearings are essential for smooth and accurate motion in industrial processes.

  • Aerospace and Aviation:

In aerospace applications, where minimizing weight and space is critical, needle bearings are used in components like control systems, actuators, landing gear, and flight control surfaces. Their compact design and high load capacity make them suitable for various aircraft systems.

  • Medical Equipment:

Needle bearings are used in medical devices and equipment, including surgical tools, imaging systems, and laboratory equipment. Their precise motion and compact size are essential for maintaining accuracy and efficiency in medical procedures.

  • Consumer Electronics:

Devices such as printers, scanners, cameras, and optical instruments often incorporate needle bearings to achieve smooth and precise movement. These bearings contribute to the overall user experience by delivering accurate functionality.

  • Power Tools:

Power tools like drills, grinders, and saws utilize needle bearings for their ability to withstand heavy loads and provide efficient motion. These bearings contribute to the durability and performance of the tools.

  • Textile Industry:

In textile machinery, needle bearings play a crucial role in maintaining the precise movement required for processes such as weaving, spinning, and knitting. Their ability to handle high loads ensures reliable operation in demanding textile applications.

  • Construction Equipment:

Construction machinery, including excavators, bulldozers, and cranes, use needle bearings to handle heavy loads and provide smooth motion in various mechanical components. These bearings contribute to the efficiency of construction operations.

  • Robotics and Automation:

Needle bearings are essential in robotic systems and automation equipment, where compact size, high load capacity, and precise motion are necessary for efficient operation. They enable accurate movement and positioning in robotic applications.

  • Marine Industry:

In marine environments, needle bearings are used in shipbuilding, offshore platforms, and marine equipment. Their ability to withstand harsh conditions and efficiently handle loads makes them valuable components in marine applications.

These examples demonstrate the versatility of needle bearings and their widespread use across various industries. Their ability to provide efficient load handling and precise motion in compact designs makes them a valuable solution in applications where performance, reliability, and space optimization are paramount.

China Custom Bearing Factory China CZPT CZPT Needle Roller Bearing Wj Series   with Best SalesChina Custom Bearing Factory China CZPT CZPT Needle Roller Bearing Wj Series   with Best Sales
editor by CX 2024-04-17

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