Product Description
HangZhou Nanter Bearing Co., Ltd. specializes in the production and sales of needle roller bearings. There are 5,000 specifications and varieties of needle roller bearings ranging from inner diameter 3mm to outer diameter 350mm, including drawn cup needle roller bearings: HK, BK, SCE, SCH, B, BH, BHM, F, FY and other series, cage bearings: K, KZK and other series, one-way clutch needle roller bearings: HF, HFL, RC, RCB and other series, thrust needle roller bearings: NTA, TRA, TRB, TRC ,TRD, AXK, AS and other series, solid ring needle roller bearings: NA, RNA, NK, NKI, MR, Ml, NKS, NKIS and other series, inner and outer rings: IR, LR, Ml and other series , cylindrical roller bearings: N, NF, NU, NUP, NUPK, SL01, SL02, SL18, SL19, SL04 and other series, support rollers, bolt rollers: KR, STO, NUTR, NATR, NUKR, CF, CFH, CYR, etc. series, solid ring needle roller bearings: NK, NKI, RNA, NA, NKS, NKIS, MR, Ml metric and imperial series, combined radial-thrust bearings: NKIA, NKIB, NX, NKZ, NKXR series, water pump shaft Connected bearings: WR, WB series, and can design and develop various types of bearings suitable for users’ specific requirements according to users’ requirements.
Bearing products are widely used in automobiles, motorcycles, electric/pneumatic tools, light industrial machinery, engineering machinery, printing machinery, machine tool industry, packaging machinery and other fields.
The company always regards customer satisfaction as the driving force and unremitting pursuit, and all employees continue to fulfill their commitments to customers.
For more products and information, please visit the official website
The solid collar needle roller bearing has compact structure, small radial size and large load carrying capacity. It is suitable for the parts of which the radial overall size is limited. It is also wide applied to the situation where the shaft or housing has the swinging motion. In general, the needle roller bearing only withstands the radial load, not the axial load. When the shaft has axial load, it can be used in combination with other bearings. However, it does not limit the axial shift of shaft or housing. The limiting rotational speed of needle roller bearing is lower. In high rotational speed of main machine, the needle roller bearing with cage shall be chosen as far as possible. In compassion with other types of needle roller bearings, under the situation of same radial size, the needle roller bearing has the large load carrying capacity and high rigidity but has high friction torque.
This kind of bearing has many series with different structure and size. It is requested that the hardness, processing accuracy and surface roughness of shaft journal surface and rolling surface of outer housing be same as those of the collar of bearing. As for the needle roller with G2 class, the diameter varies within 2pm in group. Except the full complement needle roller bearings, they have the rigid cages, which can correctly CZPT the parallel axis line of needle roller.
| Shaft Diameter | Bearing Designation | Mass Approx | Boundary Dimensions | Basic Load Rating | Limiting Speed | ||||
| Current Code | Original Code | Fw | D | C | Dynamic | Static | Oil | ||
| mm | g | mm | N | rpm | |||||
| 5 | NK5/10TN | 2.9 | 5 | 10 | 10 | 2100 | 1400 | 36780 | |
| NK05/08 | 5 | 10 | 8 | ||||||
| NK05/10TN-OH | 5 | 10 | 12 | 2350 | 1920 | 39000 | |||
| NK05/12TN | 3.7 | 5 | 10 | 12 | 3000 | 2650 | 39000 | ||
| 6 | NK06/10 | 6 | 12 | 10 | 2600 | 2200 | 37000 | ||
| NK06/10TN | 6 | 12 | 10 | 2600 | 2200 | 37000 | |||
| NK06/12TN | 5.7 | 6 | 12 | 12 | 3350 | 3150 | 37000 | ||
| RNA6X13X8TN | 6 | 13 | 8 | ||||||
| 7 | NK07/10 | 6.9 | 7 | 14 | 10 | 2850 | 2650 | 34000 | |
| NK07/12 | 8.2 | 7 | 14 | 12 | 3650 | 3600 | 34000 | ||
| 7.8 | RNA7.8169 | 7.8 | 16 | 9 | |||||
| 8 | NK8L 12TN | 8.3 | 8 | 15 | 12 | 3950 | 4100 | 32000 | |
| NK08/12 | 8.7 | 8 | 15 | 12 | 3950 | 4100 | 32000 | ||
| NK08/16 | 12 | 8 | 15 | 16 | 5100 | 5800 | 32000 | ||
| NK08/16TN | 8 | 15 | 16 | 5100 | 5800 | 32000 | |||
| RNA8X19X9 | 8 | 19 | 9 | ||||||
| RN8X14X8 | 8 | 14 | 8 | ||||||
| RNA496 | 8 | 15 | 10 | ||||||
| RNA8X15X10TN | 8 | 15 | 10 | ||||||
| 9 | NK09/12 | 10.3 | 9 | 16 | 12 | ||||
| 10 | NK10/12TN | 462409K | 10 | 10 | 17 | 12 | 4750 | 5300 | 29000 |
| 5624097 | 16.6 | 10 | 17 | 15 | 4860 | 7100 | 29000 | ||
| NK10/10 | 10 | 17 | 10 | ||||||
| NK10/12 | 10 | 17 | 12 | ||||||
| NK10/16 | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NK10/16TN | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NKS10 | 10 | 19 | 13 | 5800 | 6000 | 29000 | |||
| 12 | NK12/12TN | 644097 | 11.8 | 12 | 19 | 12 | 6000 | 6400 | 27000 |
| 5624098 | 15.4 | 12 | 19 | 15 | 6400 | 7100 | 27000 | ||
| NK12/16 | 16.8 | 12 | 19 | 16 | 8200 | 9800 | 27000 | ||
| 14 | NK14/16 | 4624900K | 20.8 | 14 | 22 | 16 | 15710 | 11500 | 25000 |
| NKS14 | 27 | 14 | 25 | 16 | 1400 | 13800 | 24000 | ||
| RNA4900 | 4624900 | 24.4 | 14 | 22 | 13 | 8500 | 9000 | 25000 | |
| RNA6900 | 6634900 | 29.1 | 14 | 22 | 22 | 12800 | 15600 | 25000 | |
| NK14/12 | 14 | 22 | 12 | ||||||
| NK14/20 | 14 | 22 | 20 | 12800 | 15600 | 25000 | |||
| 15 | NK15/12 | 644800K | 18.5 | 15 | 23 | 12 | 8600 | 11000 | 21000 |
| RNA152815 | 31.7 | 15 | 28 | 15 | 13600 | 17200 | 24000 | ||
| 7948/15 | 16.1 | 15 | 22 | 12 | 8200 | 9800 | 8500 | ||
| Shaft Diameter | Bearing Designation | Mass Approx | Boundary Dimensions | Basic Load Rating | Limiting Speed | ||||
| Current Code | Original Code | Fw | D | C | Dynamic | Static | Oil | ||
| mm | g | mm | N | rpm | |||||
| 5 | NK5/10TN | 2.9 | 5 | 10 | 10 | 2100 | 1400 | 36780 | |
| NK05/08 | 5 | 10 | 8 | ||||||
| NK05/10TN-OH | 5 | 10 | 12 | 2350 | 1920 | 39000 | |||
| NK05/12TN | 3.7 | 5 | 10 | 12 | 3000 | 2650 | 39000 | ||
| 6 | NK06/10 | 6 | 12 | 10 | 2600 | 2200 | 37000 | ||
| NK06/10TN | 6 | 12 | 10 | 2600 | 2200 | 37000 | |||
| NK06/12TN | 5.7 | 6 | 12 | 12 | 3350 | 3150 | 37000 | ||
| RNA6X13X8TN | 6 | 13 | 8 | ||||||
| 7 | NK07/10 | 6.9 | 7 | 14 | 10 | 2850 | 2650 | 34000 | |
| NK07/12 | 8.2 | 7 | 14 | 12 | 3650 | 3600 | 34000 | ||
| 7.8 | RNA7.8169 | 7.8 | 16 | 9 | |||||
| 8 | NK8L 12TN | 8.3 | 8 | 15 | 12 | 3950 | 4100 | 32000 | |
| NK08/12 | 8.7 | 8 | 15 | 12 | 3950 | 4100 | 32000 | ||
| NK08/16 | 12 | 8 | 15 | 16 | 5100 | 5800 | 32000 | ||
| NK08/16TN | 8 | 15 | 16 | 5100 | 5800 | 32000 | |||
| RNA8X19X9 | 8 | 19 | 9 | ||||||
| RN8X14X8 | 8 | 14 | 8 | ||||||
| RNA496 | 8 | 15 | 10 | ||||||
| RNA8X15X10TN | 8 | 15 | 10 | ||||||
| 9 | NK09/12 | 10.3 | 9 | 16 | 12 | ||||
| 10 | NK10/12TN | 462409K | 10 | 10 | 17 | 12 | 4750 | 5300 | 29000 |
| 5624097 | 16.6 | 10 | 17 | 15 | 4860 | 7100 | 29000 | ||
| NK10/10 | 10 | 17 | 10 | ||||||
| NK10/12 | 10 | 17 | 12 | ||||||
| NK10/16 | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NK10/16TN | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NKS10 | 10 | 19 | 13 | 5800 | 6000 | 29000 | |||
| 12 | NK12/12TN | 644097 | 11.8 | 12 | 19 | 12 | 6000 | 6400 | 27000 |
| 5624098 | 15.4 | 12 | 19 | 15 | 6400 | 7100 | 27000 | ||
| NK12/16 | 16.8 | 12 | 19 | 16 | 8200 | 9800 | 27000 | ||
| 14 | NK14/16 | 4624900K | 20.8 | 14 | 22 | 16 | 15710 | 11500 | 25000 |
| NKS14 | 27 | 14 | 25 | 16 | 1400 | 13800 | 24000 | ||
| RNA4900 | 4624900 | 24.4 | 14 | 22 | 13 | 8500 | 9000 | 25000 | |
| RNA6900 | 6634900 | 29.1 | 14 | 22 | 22 | 12800 | 15600 | 25000 | |
| NK14/12 | 14 | 22 | 12 | ||||||
| NK14/20 | 14 | 22 | 20 | 12800 | 15600 | 25000 | |||
| 15 | NK15/12 | 644800K | 18.5 | 15 | 23 | 12 | 8600 | 11000 | 21000 |
| RNA152815 | 31.7 | 15 | 28 | 15 | 13600 | 17200 | 24000 | ||
| 7948/15 | 16.1 | 15 | 22 | 12 | 8200 | 9800 | 8500 | ||
| Shaft Diameter | Bearing Designation | Mass Approx | Boundary Dimensions | Basic Load Rating | Limiting Speed | ||||
| Current Code | Original Code | Fw | D | C | Dynamic | Static | Oil | ||
| mm | g | mm | N | rpm | |||||
| 5 | NK5/10TN | 2.9 | 5 | 10 | 10 | 2100 | 1400 | 36780 | |
| NK05/08 | 5 | 10 | 8 | ||||||
| NK05/10TN-OH | 5 | 10 | 12 | 2350 | 1920 | 39000 | |||
| NK05/12TN | 3.7 | 5 | 10 | 12 | 3000 | 2650 | 39000 | ||
| 6 | NK06/10 | 6 | 12 | 10 | 2600 | 2200 | 37000 | ||
| NK06/10TN | 6 | 12 | 10 | 2600 | 2200 | 37000 | |||
| NK06/12TN | 5.7 | 6 | 12 | 12 | 3350 | 3150 | 37000 | ||
| RNA6X13X8TN | 6 | 13 | 8 | ||||||
| 7 | NK07/10 | 6.9 | 7 | 14 | 10 | 2850 | 2650 | 34000 | |
| NK07/12 | 8.2 | 7 | 14 | 12 | 3650 | 3600 | 34000 | ||
| 7.8 | RNA7.8169 | 7.8 | 16 | 9 | |||||
| 8 | NK8L 12TN | 8.3 | 8 | 15 | 12 | 3950 | 4100 | 32000 | |
| NK08/12 | 8.7 | 8 | 15 | 12 | 3950 | 4100 | 32000 | ||
| NK08/16 | 12 | 8 | 15 | 16 | 5100 | 5800 | 32000 | ||
| NK08/16TN | 8 | 15 | 16 | 5100 | 5800 | 32000 | |||
| RNA8X19X9 | 8 | 19 | 9 | ||||||
| RN8X14X8 | 8 | 14 | 8 | ||||||
| RNA496 | 8 | 15 | 10 | ||||||
| RNA8X15X10TN | 8 | 15 | 10 | ||||||
| 9 | NK09/12 | 10.3 | 9 | 16 | 12 | ||||
| 10 | NK10/12TN | 462409K | 10 | 10 | 17 | 12 | 4750 | 5300 | 29000 |
| 5624097 | 16.6 | 10 | 17 | 15 | 4860 | 7100 | 29000 | ||
| NK10/10 | 10 | 17 | 10 | ||||||
| NK10/12 | 10 | 17 | 12 | ||||||
| NK10/16 | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NK10/16TN | 10 | 17 | 16 | 6200 | 7800 | 29000 | |||
| NKS10 | 10 | 19 | 13 | 5800 | 6000 | 29000 | |||
| 12 | NK12/12TN | 644097 | 11.8 | 12 | 19 | 12 | 6000 | 6400 | 27000 |
| 5624098 | 15.4 | 12 | 19 | 15 | 6400 | 7100 | 27000 | ||
| NK12/16 | 16.8 | 12 | 19 | 16 | 8200 | 9800 | 27000 | ||
| 14 | NK14/16 | 4624900K | 20.8 | 14 | 22 | 16 | 15710 | 11500 | 25000 |
| NKS14 | 27 | 14 | 25 | 16 | 1400 | 13800 | 24000 | ||
| RNA4900 | 4624900 | 24.4 | 14 | 22 | 13 | 8500 | 9000 | 25000 | |
| RNA6900 | 6634900 | 29.1 | 14 | 22 | 22 | 12800 | 15600 | 25000 | |
| NK14/12 | 14 | 22 | 12 | ||||||
| NK14/20 | 14 | 22 | 20 | 12800 | 15600 | 25000 | |||
| 15 | NK15/12 | 644800K | 18.5 | 15 | 23 | 12 | 8600 | 11000 | 21000 |
| RNA152815 | 31.7 | 15 | 28 | 15 | 13600 | 17200 | 24000 | ||
| 7948/15 | 16.1 | 15 | 22 | 12 | 8200 | 9800 | 8500 | ||
Please contact me for more information
Q1: Can I get a free sample?
A1: We provide samples free in freight collected. For special samples requirement, please contact us for more details.
Q2: How could I pay?
A2: We prefer T/T or L/C at sight. If you prefer other payment terms, please contact us freely.
Q3: What is your brand and packing way? Can you produce my brand and packing?
A3: Our brand is SGC and our own packing materials. We can make your brand. For more details, please contact us.
Q4: What is the delivery lead time?
A4: It depends on the order quantities. The mass production lead time is about 45-60 days after receipt of the deposit.
Q5: Are you manufacturer or trading company?
A5: We are manufacturer and exporter. We provide all kinds of OEM services for clients around the world.
Q6: Where is your main market?
A6: We export to the North America, Mexico, Australia, South-east Asia, Europe, U.A.E., Turkey, and other countries.
Our Services
1. Professional QC and QA team to make sure all products qualified before shipping.
2. Competitive price.
3 .Standard package to ensure the safe transportation.
4. Professional service.
Why choose us?
1. Production
Qualified production, competitive price, professional service.
2. Quality
All products are inspected 100% before shipment by relative testing equipments.
3.The 24/7 service allows you to obtain the best solution in the shortest possible time for the problems you encounter in the field of industry and bearings.
4.For the needs of the industrial field and bearing products, we have made a series of solutions, from product selection to correct installation after ordering, we will give you the most timely answers and solutions for every problem you encounter.
| Cage: | With Cage |
|---|---|
| Rows Number: | Multiple |
| Load Direction: | Radial Bearing |
| Style: | Without Outer Ring, Without Inner Ring |
| Material: | Stainless Steel |
| Type: | Open |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

Advantages and disadvantages of different types of bushings
Bushings are a simple but essential part of machinery with sliding or rotating shaft assemblies. This type of bearing is used in a wide variety of industries because its high load-carrying capacity and excellent anti-friction properties make it a necessity for construction, mining, hydropower, transportation and agricultural machinery. In addition to these applications, bushings also play a vital role in material handling and food processing. This article explores the various types of bushings available.
air casing
The air bushing forms a frictionless cylinder that applies the load to the rotating object. Bushings are used to measure torque and provide self-centering force in applications where linear motion is critical. The following are load equations that can be used to select the appropriate air sleeve for your application. To learn more about these air sleeves, read on. This article discusses the benefits and uses of air bushings in linear motion.
Bushings have many advantages over bearings. They are not prone to wear and corrosion. Unlike bearings, they can easily bypass conversion and inspection periods. Their high-quality design guarantees reliable machine performance, yet they are inexpensive and easy to replace. In many industries, air compressors are essential for sports. The air bushing eliminates friction, allowing the compressor to work more efficiently. They can also help eliminate the need for frictionless bearings and improve the overall efficiency of the machine.
Another type of air bearing is the cylindrical bushing. These are used for linear and aerostatic motion. Their low friction properties allow them to support radial loads without wearing out or damaging components. They are usually used for normal sized shafts. Air bushings have several components that can be used with other types of air bearings. Cylindrical air bearings have four o-ring grooves that allow them to be inserted into the structure. They are often used with other types of air bearings for smoother motion.
rubber bushing
If you’re looking to buy a new suspension system, you may be wondering if rubber or polyurethane is the right choice. Rubber is less expensive, but not without its drawbacks. Polyurethane is more durable and offers better handling and suspension. Rubber bushings also reduce road feel, while polyurethane isolates the driver from the road. Both materials will help you improve handling and alignment, but each has advantages and disadvantages.
Typically, rubber bushings are cylindrical components with metal inner and outer surfaces. These metals can be stainless steel, mild steel or aluminum. They are usually stress relieved and prestressed for maximum durability. They are designed to meet the exact specifications of a specific application. For example, shock-absorbing rubber bushings are cushioning pads made of polyurethane that absorb road bumps and noise.
Unlike polyurethane, rubber suspension bushings have a shorter lifespan than polyurethane. This is because rubber is more susceptible to damage from UV rays, road chemicals and oils. The rubber also stretches and warps due to the pressure of the road. The rubber bushing also squeaks, which can be cause for concern. But if the noise persists for a long time, it may be a sign that your vehicle needs a new suspension system.
The main reason why cars use rubber bushings is for shock absorption. During machine use, vibration and noise caused by the movement of parts can cause serious damage. To prevent this, rubber bushings act as shock absorbers and damping agents. Rubber bushings are an excellent choice for automakers, but they are also used in a variety of industrial settings.
Polyurethane bushing
If you want to make your vehicle handle better, polyurethane bushings may be the answer. They come in different shapes and sizes and can improve a wide range of areas. This article will explore the advantages and disadvantages of polyurethane bushings and their potential place in your car. However, before you decide to upgrade your suspension, you should understand the various advantages and disadvantages of polyurethane bushings.
The main difference between a polyurethane bushing and a rubber bushing is how the bushing rides on the suspension arm. Polyurethane bushings do not have faces that slide against each other like rubber bushings. This means they allow for more rotation and flexion, as well as consistent alignment of the control arms. Polyurethane bushings require lubrication, but only need to be lubricated every five years, much longer than equivalent rubber bushings.
Another difference between polyurethane and rubber bushings is hardness. The former has the least elasticity and is generally the most suitable for street use. While rubber bushings provide the best NVH quality, they are also notorious for changing suspension geometry. Rubber is known to be an excellent choice for street use, but polyurethane has a lifespan that far outlasts rubber.
bronze bushing
There are two main types of bronze bushings, sintered and cast. The latter require additional lubrication and are typically used in applications where powder metal products cannot be secured. The former is cheaper than the latter, but the process is more expensive. Bronze bushings can be used in environments where the material will be exposed to high temperature and vibration. For these reasons, the production process is relatively slow and expensive.
The strength of bronze is the main reason why they are so popular. Brass is a softer metal that deforms and corrodes easily. The bronze casing can withstand continuous immersion in water and can last for hundreds of years with little or no maintenance. However, it is important to note that this metal is not resistant to aggressive chemicals and requires regular maintenance to keep it in good condition.
Bronze bushings offer many advantages, including durability and aesthetics. Bronze bushings are available in a variety of sizes and can be ordered in imperial and metric sizes. They can be built to your specifications and are very durable. You can even custom order them if you want. And because they can be customized, they are an excellent choice for high-end applications. The quality of the bronze bushings is second to none.
Plastic bushing
Engineered composite plastic bushings have been shown to last longer than bronze bushings and have also been found to reduce maintenance costs by up to 40%. Plastic bushings have become the first choice for thousands of applications, including medical equipment, food processing machinery, pumps, and more. Bronze bushings are oil-impregnated, but their performance is limited by their inherent weaknesses: oil-impregnated bronze tends to develop high levels of capillary action and requires rotational motion to maintain an intact oil film. Low speed and intermittent use of bronze bushings can also hinder the ability of the lubricant to provide adequate lubrication.
Advantages of plastic bushings over metal include low friction, non-reactive surfaces, and long life. CZPT offers a variety of engineering plastics that outperform traditional metals in a range of applications. For example, nylon bushings resist wear while requiring little lubrication. In addition, polymer-shaped plastics are lightweight and highly resistant to aggressive cleaning agents and chemicals.
Besides being less expensive than metal bushings, plastic bushings offer many other advantages. They are very durable, have a low coefficient of friction, and are more wear-resistant than metal. Unlike metal, plastic bushings do not require lubrication and do not absorb dust and oil like metal bushings. They are lightweight, easy to maintain and last longer. This makes them an excellent choice for many applications.
Sleeve bearing
Sleeve bearings are simple pipes with matching components. They facilitate linear motion by absorbing friction and vibration. They can withstand heavy loads and work at high temperatures for long periods of time. Flange bearings are similar to sleeve bearings, but are enclosed and rotated in a housing unit. Sleeve bearings have higher load-carrying capacity and resistance to shock loads. Furthermore, they are lightweight and low cost.
Another name for sleeve bearings is babbitt radial bearings. These bearings are usually made of bronze and have straight inner and outer diameters. They are also impregnated with oil and can withstand radial loads. Typical uses for sleeve bearings are agriculture, automotive and machine tools. Sleeves can also be solid or cored material, depending on the intended use.
The type of sleeve bearing used in the bushing is important in determining which type of bushing to buy. Sleeve bearings are sized based on pressure and speed considerations. Typically, the PV limit is an upper bound on the combined pressure and velocity for a given casing material. In some cases, the sleeve bearing used in the bushing is the same as the plain bearing.
Sleeve bearings are simple in design and made from a variety of materials, including bronze and plastic. They are more affordable than metal, but plastic is still not inaudible. Plastic sleeve bearings will rattle like metal bearings if the gap between the two bushings is not accurate. Additionally, high temperature electronic painting can permanently thin the casing. The stainless steel backing provides a good surface for electronic painting and enhances abrasion resistance.


editor by CX 2023-04-21