Product Description
Product Description
Brand: NSJ (N means HangZhou, S means HangZhou, J means boss Jimsun)
Main Products: Deep Groove Ball Bearing,Inserts Bearing and Non-Standard Ball Bearing.
Workshop Area: 120,000 M2 Workers: 200+
Type: Self-Aligning Ball Bearing
We are the professional Self-aligning Ball Bearings, Double Row Self Aligning Ball Bearings manufacturer in China. We can produce Self-aligning Ball bearings, Double Row Self Aligning Ball Bearings to your requirements. If you want get more types of Self-aligning Ball Bearings, Double Row Self Aligning Ball Bearings please contact us!
| OVERALL DIMENSION | ||||||
| Cylindrical Bore | Cylindrical Bore | Tapered Bore | Tapered Bore | d | D | B |
| 135 | 5 | 19 | 6 | |||
| 126 | 6 | 19 | 6 | |||
| 127 | 7 | 22 | 7 | |||
| 108 | 8 | 22 | 7 | |||
| 129 | 9 | 26 | 7 | |||
| 1200 | 10 | 30 | 9 | |||
| 2200 | 2200 2RS | 10 | 30 | 14 | ||
| 1201 | 12 | 32 | 10 | |||
| 2201 | 2201 2RS | 12 | 32 | 14 | ||
| 1301 | 12 | 37 | 12 | |||
| 2301 | 12 | 37 | 17 | |||
| 1202 | 15 | 35 | 11 | |||
| 2202 | 2202 2RS | 15 | 35 | 14 | ||
| 1303 | 15 | 42 | 13 | |||
| 2302 | 2302 2RS | 15 | 42 | 17 | ||
| 1203 | 17 | 40 | 12 | |||
| 2203 | 2203 2RS | 17 | 40 | 16 | ||
| 1303 | 17 | 47 | 14 | |||
| 2304 | 2304 2RS | 17 | 47 | 19 | ||
| 1204 | 1204K | 20 | 47 | 14 | ||
| 2204 | 2204 2RS | 2204K | 20 | 47 | 18 | |
| 1304 | 1304K | 20 | 52 | 15 | ||
| 2304 | 2304 2RS | 2304K | 20 | 52 | 21 | |
| 1205 | 1205K | 25 | 52 | 15 | ||
| 2205 | 2205 2RS | 2205K | 2205 2RSK | 25 | 52 | 18 |
| 1305 | 1305K | 25 | 62 | 17 | ||
| 2305 | 2305K | 25 | 62 | 24 | ||
| 1206 | 1206K | 30 | 62 | 16 | ||
| 2206 | 2206 2RS | 2206K | 2206 2RSK | 30 | 62 | 20 |
| 1306 | 1306K | 30 | 72 | 19 | ||
| 2306 | 2306 2RS | 2306K | 30 | 72 | 27 | |
| 1207 | 1207K | 35 | 72 | 17 | ||
| 2207 | 2207 2RS | 2207K | 2207 2RSK | 35 | 72 | 23 |
| 1307 | 1307K | 35 | 80 | 21 | ||
| 2307 | 2307 2RS | 2307K | 35 | 80 | 31 | |
| 1208 | 1208K | 40 | 80 | 18 | ||
| 2208 | 2208 2RS | 2208K | 2208 2RSK | 40 | 80 | 23 |
| 1308 | 1308K | 40 | 90 | 23 | ||
| 1209 | 1209K | 45 | 85 | 19 | ||
| 2209 | 2209 2RS | 2209K | 2209 2RSK | 45 | 85 | 23 |
| 1309 | 1309K | 45 | 100 | 25 | ||
| 1210 | 1210K | 50 | 90 | 20 | ||
| 2210 | 2210 2RS | 2210K | 2210 2RSK | 50 | 90 | 23 |
| 1310 | 50 | 110 | 27 | |||
| 1211 | 1211K | 55 | 100 | 21 | ||
| 2211 | DR | 55 | 100 | 25 | ||
| 1311 | 55 | 120 | 29 | |||
| 1212 | 1212K | 60 | 110 | 22 | ||
| 2212 | 60 | 110 | 28 | |||
| 1312 | 60 | 130 | 31 | |||
| 1213 | 1213K | 65 | 120 | 23 | ||
| 1214 | 1214K | 70 | 125 | 24 | ||
| 1215 | 1215K | 75 | 130 | 25 | ||
| 1216 | 1216K | 80 | 140 | 26 | ||
Packaging & Shipping
Packing : 1)Tube packing + Neutral Carton + Wooden pallet
2) Acoording to customer’s requirement
Why Choose Us
TECHNICAL SKILLS
The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
PRODUCTION
The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
TRANSPORT
we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
AFTER SALES SERVICE
We will reply to you within 2 hours after receiving the inquiry on working days.we mainly do custom products, we develop and produce products according to drawings or samples provided by customers.
About Us
HangZhou HangZhou Bearing Co., Ltd., established in 1994 stands right at the prime location of the Yangtze River Delta. Specialized in the production of high-quality deep groove ball bearings and insert bearings. It has emerged as a modern company integrating product development, design, manufacturing, sales and service. It can produce bearings with an inner diameter of 3mm to 100mm and customize various non-standard products with highly-automated equipment, stable quality, and complete testing methods ensuring the quality of its products.
With the vigorous development of the foreign trade department, our business in bearing production and sales in 2018 far exceeded 20 million US dollars, and the products were sold in more than 50 countries and regions.
The company has established a modernized enterprise management system, pooling talents in various fields to make the company more humane, informatized and international with the ISO9001 quality management system being introduced to the production process to enhance its competitiveness. In 2017, the ISO/TS16949 quality management system was also introduced to seek further development in richer application field.
Taking “integrity; service; cooperation; CZPT ” as the core values, and “customer first, order primacy” as its working philosophy, adhering to the vision of becoming China’s best bearing supplier, while satisfying the customers and helping employees achieve their dreams, it is constantly heading towards the goal of “get the world move with Chinese Bearings “.
FAQ
[Q:]1. How soon can we get a reply after we send you an inquiry??
[A:] We will reply you within 2 hours after receiving the inquiry on working days.
[Q:]2. Are you a manufacturer or a trading company??
[A:] We have our own factory, covering an area of more than 12,000 square meters, and we also have our own international trade department, our products are self-produced and self-sold.
[Q:]4.What products do you offer??
[A:] Deep groove ball bearings, insert bearings, pillow block, tapered roller bearings, thrust ball bearings, angular contact bearings, self-aligning roller bearing, etc.
[Q:]5.Which applications your products are mainly involved??
[A:] Our products cover almost all applicable fields of equipment manufacturing and machinery manufacturing industry, mainly includingrailways, trucks, construction machinery, mining machinery, forklifts, agricultural machinery, ships, petroleum machinery, power accessories, electromechanical hardware tools
[Q:]6. Can you make customized products??
[A:] Yes, we mainly do customized products, we develop and produce products according to drawings or samples provided by customers.
[Q:]7. What is the production capacity of your company??
[A:] The monthly output of insert bearing is expected to be 450,000-500,000 with 6 main production lines; the deep groove, and the monthly output of deep groove ball is expected to be 350,000-400,000 sets with 3 production lines.
[Q:]8. What is the total number of your employees , and how many of them are technicians.?
[A:] The company currently has more than 100 employees, including more than 50 professional technicians, over 10 engineers, and over 10 elite salesperson.
[Q:]9.How does your company ensure the quality of the products.?
[A:] First of all, we will have corresponding inspections after each process. For the final products, we will do 100% inspection according to customer requirements and international standards; Then, we have advanced and complete top-level testing equipment in the industry: spectrum analyzer, metallographic microscope, universal tensile testing machine, low temperature impact testing machine, X-ray flaw detector, magnetic particle flaw detector, ultrasonic flaw detector, coordinate measuring instrument, image Measuring instrument, etc. The above equipment can fully guarantee the high-precision finished castings of the finished parts, and at the same time ensure the customer’s comprehensive testing requirements for physical and chemical properties, non-destructive testing and high-precision geometrical dimensions.
[Q:]10.what is the payment method??
[A:] When you quote, we will confirm with you the trading method, FOB, CIF, CNF or other methods. In mass production, we usually pay 30% advance payment first, then see the balance of the bill of lading. Most of the payment methods are T/T, of course, L/C is also acceptable.
[Q:]11.How the goods are delivered to customers??
[A:] we usually offer sea freight shipping since we are very close to HangZhou Port and ZheJiang Port. Of course, for urgent order, it is also very convenient for us to choose the air and train freight or other options.
[Q:]12.Where are your products mainly exported to??
[A:] Our products are exported to dozens of foreign countries mainly including Germany, Italy, the United States, Austria, Slovakia, Slovenia, Sweden, Ukraine, Poland, Russia, Canada, Brazil, India, Turkey, Iran, Vietnam.
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| Aligning: | Aligning Bearing |
|---|---|
| Separated: | Unseparated |
| Rows Number: | Double |
| Load Direction: | Radial Bearing |
| Material: | Bearing Steel |
| Transport Package: | Bulked Package and Single Boxed Package |
| Samples: |
US$ 0.1/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|

How do self-aligning bearings enhance the overall efficiency and functionality of machinery and equipment?
Self-aligning bearings play a crucial role in enhancing the overall efficiency and functionality of machinery and equipment. Here’s a detailed explanation:
- Compensation for Misalignment:
One of the key benefits of self-aligning bearings is their ability to compensate for misalignment between the shaft and the housing. Misalignment can occur due to various factors such as shaft deflection, thermal expansion, or mounting errors. Self-aligning bearings have the capability to accommodate angular misalignment, axial displacement, and shaft deflection, ensuring smooth operation even in challenging conditions. By accommodating misalignment, self-aligning bearings minimize stress and wear on other components, reducing the risk of premature failure and improving overall machinery efficiency.
- Reduced Friction and Energy Consumption:
Self-aligning bearings are designed to operate with low friction, which helps to reduce energy consumption within the machinery or equipment. The rolling elements and raceways of self-aligning bearings are precisely engineered to minimize contact friction. This reduced friction results in lower power losses, allowing the machinery to operate more efficiently and potentially leading to energy savings.
- Increased Reliability and Service Life:
Self-aligning bearings contribute to the overall reliability and service life of machinery and equipment. By accommodating misalignment and reducing friction, they help to distribute loads evenly, minimize stress concentrations, and prevent premature wear and failures. This improved load distribution and reduced friction can extend the service life of other critical components, such as gears, shafts, and seals. Additionally, self-aligning bearings often feature robust designs and high-quality materials, further enhancing their durability and reliability in demanding operating conditions.
- Enhanced Performance in Challenging Environments:
Self-aligning bearings are well-suited for applications in challenging environments. They can withstand conditions such as high temperatures, extreme speeds, or contaminated operating conditions. The ability to accommodate misalignment and the use of specialized bearing materials and lubricants enable self-aligning bearings to maintain their performance and functionality in adverse conditions. This enhances the overall efficiency and reliability of machinery and equipment in industries such as mining, steel, paper, and food processing.
- Ease of Installation and Maintenance:
Self-aligning bearings are designed for ease of installation and maintenance. Their self-aligning capability simplifies the alignment process during installation, reducing the time and effort required. Additionally, self-aligning bearings often feature integrated seals or shields that help to protect against contamination and retain lubrication, resulting in reduced maintenance requirements. The ease of installation and maintenance of self-aligning bearings contributes to the overall efficiency of machinery and equipment by minimizing downtime and improving overall operational productivity.
Overall, self-aligning bearings enhance the efficiency and functionality of machinery and equipment by accommodating misalignment, reducing friction and energy consumption, increasing reliability and service life, performing well in challenging environments, and enabling easier installation and maintenance. By incorporating self-aligning bearings into their designs, engineers and equipment manufacturers can optimize performance, reduce downtime, and improve the overall efficiency of their machinery and equipment.

Are there specific industries or applications where self-aligning bearings are frequently used?
Self-aligning bearings find widespread use in various industries and applications where misalignment compensation, high load-carrying capacity, and reliability are crucial. Here’s a detailed description of some specific industries and applications where self-aligning bearings are frequently employed:
- Heavy Machinery and Equipment:
Self-aligning bearings are extensively used in heavy machinery and equipment, such as mining equipment, construction machinery, and material handling systems. These applications often involve high loads, dynamic forces, and operating conditions that can lead to misalignment. Self-aligning bearings help accommodate misalignment caused by factors like vibration, thermal expansion, and shaft deflection, ensuring smooth operation and prolonged service life of the machinery.
- Paper and Pulp Industry:
In the paper and pulp industry, self-aligning bearings are commonly employed in critical equipment like paper machines, pulp digesters, and drying cylinders. These applications involve high-speed rotating components and heavy loads. Self-aligning bearings can handle misalignment caused by temperature variations, mechanical stresses, and process fluctuations, maintaining the reliability and productivity of the machinery in this demanding industry.
- Steel and Metal Processing:
Self-aligning bearings are vital in steel and metal processing applications, including rolling mills, continuous casting machines, and metal shredders. These applications involve extreme loads, high temperatures, and harsh operating conditions. Self-aligning bearings help compensate for misalignment caused by thermal expansion, deflection, and heavy loads, ensuring the durability and performance of the equipment in this industry.
- Conveyor Systems:
Conveyor systems in industries such as mining, manufacturing, and logistics often rely on self-aligning bearings. These bearings accommodate misalignment caused by belt tension, shaft deflection, and uneven loading. Self-aligning bearings help ensure smooth and reliable operation of the conveyor systems, minimizing downtime and optimizing productivity.
- Printing and Packaging:
In printing and packaging applications, self-aligning bearings are commonly used in printing presses, packaging machines, and label applicators. These applications involve high-speed rotations, varying loads, and precise alignment requirements. Self-aligning bearings help compensate for misalignment caused by machine vibrations and thermal effects, ensuring accurate and efficient operation of the printing and packaging equipment.
- Automotive Industry:
The automotive industry extensively utilizes self-aligning bearings in various components and systems, including wheel hubs, transmission systems, and suspension systems. These applications encounter dynamic forces, varying loads, and misalignment due to road conditions and vehicle movements. Self-aligning bearings help absorb misalignment and maintain proper alignment between components, contributing to the safety, performance, and longevity of automotive vehicles.
These are just a few examples of industries and applications where self-aligning bearings are frequently used. Other sectors, such as agriculture, energy, marine, and aerospace, also rely on self-aligning bearings to ensure reliable and efficient operation of their equipment and machinery.

Can you explain the advantages and unique features of self-aligning bearings?
Self-aligning bearings offer several advantages and unique features that make them suitable for a wide range of applications. Here’s a detailed explanation of the advantages and unique features of self-aligning bearings:
- Misalignment Compensation:
One of the primary advantages of self-aligning bearings is their ability to accommodate misalignment between the shaft and the housing. This includes angular misalignment, axial misalignment, and shaft deflection. The self-aligning design allows the bearing to adjust its position and compensate for these misalignments, ensuring smooth operation and reducing stress on the bearing components.
- Reduced Friction and Wear:
Self-aligning bearings help reduce friction and wear in machinery. By accommodating misalignment, they distribute the load more evenly across the rolling elements and raceways, minimizing localized stresses. This results in lower friction, reduced wear, and longer bearing life. Additionally, the self-aligning capability helps prevent excessive heat generation, which can further contribute to reduced friction and wear.
- Shock and Vibration Absorption:
Self-aligning bearings have the unique ability to absorb shocks and vibrations that occur during operation. The spherical outer ring raceway allows the bearing to move and adjust its position, effectively dampening the impact of shocks and vibrations. This helps improve the overall stability of the machinery, reduces the transmission of vibrations, and protects other components from excessive forces.
- Easy Installation and Maintenance:
Self-aligning bearings are relatively easy to install and maintain. During installation, their self-aligning capability simplifies the alignment process, as slight misalignments can be accommodated. This saves time and effort in achieving precise alignment. Additionally, self-aligning bearings are typically designed for easy maintenance, allowing for straightforward tasks such as re-greasing or replacement without requiring complex disassembly.
- Wide Application Range:
Self-aligning bearings are versatile and find applications in various industries and machinery. They are commonly used in applications where misalignment is expected, such as in heavy machinery, conveyor systems, agricultural equipment, and mining operations. The ability to accommodate misalignment makes self-aligning bearings suitable for challenging environments and dynamic operating conditions.
- Cost-Effective Solution:
Self-aligning bearings offer a cost-effective solution in many applications. Their ability to compensate for misalignment helps prevent premature failure and reduces the need for frequent maintenance or realignment. This can result in cost savings by extending the bearing’s service life, improving overall machinery reliability, and reducing downtime for repairs or replacements.
In summary, self-aligning bearings provide advantages such as misalignment compensation, reduced friction and wear, shock and vibration absorption, easy installation and maintenance, wide application range, and cost-effectiveness. These unique features make them a valuable choice for various industries and applications where misalignment and dynamic operating conditions are present.


editor by CX 2024-02-29