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Needle roller bearings are a special type of roller bearings that use long, thin cylindrical rollers similar to needles. Ordinary roller bearings have rollers that are only slightly longer than their diameter, but needle roller bearings typically have rollers that are at least four times their diameter. Like all bearings, they are used to reduce friction on rotating surfaces.
Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), founded in 2006, is a professional China Needle Roller Bearing Manufacturers and OEM/ODM Needle Roller Bearing Suppliers.And it an enterprise focusing on the R&D, manufacturing and customization of non-standard bearings, high-precision bearings (import substitution) and bearing accessories and mechanical parts. With more than 30 years of technical design experience, FTM has earned reputation in the field of high-quality bearings. Our professional technical team provides domestic and foreign customers with high-quality bearing solutions in engineering machinery, textile machinery and other fields.
Relying on years of professional manufacturing and technical skills, FTM actively introduces advanced CNC machine tools from Japan to ensure product processing accuracy and stability. In addition, FTM bearing product research is guided by a doctor of tribology. We adhere to the corporate philosophy of innovation and development, and our products are exported to many countries and regions around the world. We have long been supporting and producing various types of bearings for many world-renowned companies, maintaining good production relationships. Rotate forever, inherit excellence, and create the future together. Choose FTM, and we will be your choice for bearing solutions.
1. The core logic and design trade-offs of aspect ratioThe aspect ratio (ratio of roller length to diameter) of needle roller bearings is a ...
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1. Different design structuresAngular contact ball bearings: The raceways of the inner and outer rings are at a certain angle (the contact a...
At Shaoxing Shangyu Flight Seiko Machinery Co., Ltd. (FTM), we take pride in our extensive range of needle roller bearings, designed to meet the diverse needs of various industries. Our cam follower needle roller bearings offer exceptional load capacity and reliability, making them ideal for applications requiring precise motion.
For those seeking robust solutions, our heavy-duty needle roller bearings and double row needle roller bearings ensure superior performance even under the toughest conditions. These bearings are engineered to handle significant loads while maintaining optimal functionality.
We also specialize in stainless steel needle roller bearings, which provide excellent corrosion resistance, perfect for environments where durability is crucial. Our cage needle roller bearings enhance operational efficiency by reducing friction, ensuring smoother operations.
Our full complement needle roller bearings maximize load-bearing capabilities, making them ideal for high-load applications. For linear motion applications, our linear needle roller bearings guarantee smooth and precise movement, crucial for machinery efficiency.
Whether you need imperial needle roller bearings or metric needle roller bearings, our tailored solutions cater to both standard and customized specifications. Explore our miniature needle roller bearings for compact applications, or consider our combination ball needle roller bearings for unique hybrid solutions.
Trust FTM to deliver high-quality bearings that not only meet but exceed your expectations. As we work together to create a future of excellence, choose FTM—your ultimate partner in bearing solutions.
1.How does a Needle Roller Bearing work?
Needle roller bearings are a type of roller bearings that use cylindrical rollers with a high length-to-diameter ratio. They work on the principle of distributing load over a larger surface area compared to ball bearings, allowing them to handle higher radial loads while occupying less space axially.
Roller Design: Needle roller bearings have cylindrical rollers that are much thinner in diameter compared to their length. This design provides a larger contact area between the rollers and the raceways, allowing them to support higher radial loads.
Raceways: Needle roller bearings have inner and outer raceways, which are the surfaces that the rollers and cage assembly roll against. The inner raceway is mounted on the shaft, while the outer raceway is housed in the bearing housing.
Cage Assembly: The rollers in a needle roller bearing are typically held in place by a cage assembly. The cage maintains the spacing between the rollers and prevents them from coming into contact with each other, which could cause friction and wear.
Load Distribution: When a radial load is applied to a needle roller bearing, the rollers distribute the load evenly across their length and transmit it to the raceways. Because the rollers are longer and thinner, they can withstand higher loads without deforming or failing.
Friction Reduction: Needle roller bearings are designed to minimize friction and reduce energy loss during operation. The cylindrical shape of the rollers and the smooth raceway surfaces allow for efficient rolling motion with minimal resistance.
Lubrication: Proper lubrication is essential for the smooth operation and longevity of needle roller bearings. Lubricant helps reduce friction between the rolling elements and raceways, preventing wear and extending the bearing's service life.
2.What are the typical applications of needle roller bearings?
Needle roller bearings are utilized in a wide range of applications across various industries due to their ability to handle high radial loads in limited space.
Automotive Industry: Needle roller bearings are commonly found in automotive transmissions, engines, drive shafts, steering systems, and suspension components.
Industrial Machinery: They are used in various industrial machinery such as pumps, compressors, gearboxes, conveyors, textile machinery, printing presses, and packaging equipment.
Aerospace: Needle roller bearings are employed in aircraft engines, landing gear systems, flight control systems, and other critical aerospace applications due to their lightweight design and high load-carrying capacity.
Construction Equipment: They are used in construction machinery like excavators, bulldozers, cranes, and loaders to withstand heavy loads and harsh operating conditions.
Power Tools: Needle roller bearings are employed in power tools such as drills, grinders, saws, and sanders to provide smooth operation and high durability.
Medical and Laboratory Equipment: They are used in medical devices, laboratory instruments, and precision machinery where compact size and high precision are required.
Textile Industry: Needle roller bearings are essential components in textile machinery like spinning machines, weaving machines, and knitting machines to ensure precise motion and high-speed operation.
If you have any questions or would like to know more about bearings, please feel free to contact us!
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