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This section provides an overview for precision bearings as well as their applications and principles. Also, please take a look at the list of 19 precision bearing manufacturers and their company rankings.
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A precision bearing is a specialized type of bearing that is engineered and manufactured to exacting standards of precision. Bearings, in general, are devices that facilitate smooth rotation or movement of parts by minimizing friction between moving components. They are essential in various mechanical and industrial applications for ensuring efficient and reliable operation.
The structure of a precision bearing typically consists of three main parts: an inner ring that fits onto the shaft, a series of balls or rollers that reduce friction and allow smooth movement, and an outer ring that is fixed in place. This configuration enables the shaft to rotate smoothly within the fixed outer ring, providing stability and support to the rotating elements.
Precision bearings are distinguished from standard bearings by their superior manufacturing precision, which results in significantly reduced tolerances and manufacturing errors. This high level of accuracy ensures exceptionally smooth and stable movement, making them ideal for use in applications where precision is critical.
They find extensive use in high-performance and advanced machinery, including machine tools that require precise control, aerospace applications where reliability and accuracy are paramount, and automotive systems that demand high levels of performance and durability.
*Including some distributors, etc.
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NACHI AMERICA, a manufacturer of precision machinery, was established in 1965 in the United States. The company excels in producing industrial machinery like bearings, cutting tools, and robots. With a legacy of excellence, NACHI AMERICA pioneers ingenious solutions across manufacturing, automotive, and aerospace sectors, ensuring efficient and unfailing operations. NACHI AMERICA's usefulness lies in advanced technology and customer-centric approach. Noteworthy is their precision bearings line, facilitating smooth machinery operation, crucial for industries.
Schatz Bearing Corp., established in 1981 and based in Poughkeepsie, New York, US, is a designer and manufacturer of bearings. The company's inventory includes precision thin, semi-precision/unground angular contact balls, and specialty and aerospace bearings. These products are designed to satisfy precision requirements in various industries such as medical, semiconductor, equipment, agriculture, construction as well as defense. The company is ISO 9001:2015 certified and also offers designing, customization, and engineering services to its customers.
New Hampshire Ball Bearings, Inc. is a bearing manufacturer established in Peterborough, New Hampshire in 1946. Its 70 years of expertise have set the company's products in many fields. In aerospace and defense for example, making self-Lubricating, sleeve, and hybrid tapered needle roller bearings. Regarding medical devices, it produces solutions for surgery tables, cardiovascular devices and intravenous infusion pumps, and more. And in high technology, it creates possibilities for automotive systems, semiconductor manufacturing, robotics, and so on. The firm holds multiple standards approvals, and provides engineering references, downloadable catalogues and brochures.
The Timken Company (Timken) was founded in 1899 and is headquartered in North Canton, Ohio. Timken designs, manufactures, and manages engineered bearings and industrial motion products worldwide. Timken operates in two segments, Mobile Industries and Process Industries. The Mobile Industries segment’s portfolio includes bearings, seals, and lubrication devices and systems. The Process Industries segment provides industrial bearings and assemblies; industrial motion components, such as gears and gearboxes; and linear motion products, couplings, seals, lubricants, chains, belts, and related products and services to OEMs and end users in various industries.
Scheerer Bearing Corporation is an American industrial bearing manufacturer founded in 1963 and headquartered in Willow Grove, Pennsylvania. The company produces ball bearings, cylindrical, spherical, and tapered roller bearings, slewing ring bearings, and thrust bearings along with other industrial motion products in the forms of bearing sleeves, hubs, plain bearings, and fittings which it supplies to distributors and OEMs globally. Additionally, they offer customization and modifications, such as coatings and lubricants, and reconditioning, and repair services. The company primarily serves military, mining, metal, material handling, and energy production industries.
Luoyang Huigong Bearing Technology Co., Ltd. was founded in 1998 and is a manufacturer of standard and non-standard bearings in Luoyang City, China. The company offers its products under the trade name of CHG. Its products include thin sections, crossed roller, and deep groove ball bearings. These products are extensively used in industrial robots, aviation, defense, and medical equipment applications. The company has received over 20 utility model patents and is certified with ISO 9001.
SKF UK is the British division of SKF, originally founded in 1907 and headquartered in Gothenburg, Sweden. SKF designs, develops, and manufacturers bearings, seals, lubrication systems, and services worldwide, with industrial and automotive segments, providing solutions for industries including aerospace, agriculture, transportation, food and beverage, general machinery, material handling, mining, energy, paper, and wind energy. SKF UK offers rolling bearings, mounted bearings, automotive seals, lubrication management, vehicle aftermarket services, waste electric products, and electronic equipment products as well as services including maintenance, remanufacturing, customization, and training.
NSK Ltd., based in Japan, is a manufacturer of precision bearings and motion control solutions which started its journey in 1916. The company has established itself as a major supplier for multiple industries, including automotive, industrial machinery, and aerospace. Their extensive product portfolio encompasses ball bearings, roller bearings, and linear motion components. Their Motion & Control products and technologies support the motion that brings comfort and convenience in cars, planes, wind turbines, satellites, and almost anything with moving parts.
NTN Bearings began in 1918 in Kuwana, Mie, Japan, and is now headquartered in Osaka. The company is a manufacturer of bearings, velocity joints, and precision equipment, as well as a maintenance and service provider. The company serves the aerospace, automotive, construction, wind energy, and infrastructure industries. The company operates via BCA Bearings, Bower Heavy Duty Bearings, and NTN SNR brand of velocity joints, linear modules, distribution rollers, and suspension parts. Other components the company manufactures include linear motion, flanged discs, and condition monitoring equipment.
W M Berg, founded in 1967 and based in Cudahy, Wisconsin, is a manufacturer and supplier of precision industrial parts. The company delivers ISO 9001:2015 certified products and services, including assemblies, bearings, belts & chains, couplings & shafts, gears, fasteners & hardware, pulleys & sprockets and more. W M Berg provides designing, developing, manufacturing and testing facilities to its clients in the aerospace, medical and motion control industries. Its distributors include Applied Industrial Technology and Motion Industries.
Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
5 | 55.6% |
|
China
|
2 | 22.2% |
|
Sweden
|
1 | 11.1% |
|
Japan
|
1 | 11.1% |
