Ceramic ball bearings are high-performance bearings, among which silicon nitride ceramic ball bearings are the most widely used ceramic balls. They have the advantages of high temperature resistance, corrosion resistance, longer service life and high rigidity. They are widely used in aerospace, automobile, machinery manufacturing and other fields that require high temperature, high speed, and high precision. The following are the manufacturers of ceramic ball bearings:
1. GRW -- Gebr. Reinfurt GmbH & Co. KG
GRW Bearings is a well-known German manufacturer of ball bearings and components.
GRW was founded in 1942 by brothers Eugene and Hugo Reinfurt in Würzburg, Bavaria, and was originally named "Gebruder Reinfurt". It was later reorganized into a limited partnership and renamed "Gebruder Reinfurt Wurzburg", or "GRW" for short.
GRW routinely produces metric and imperial bearings with inner bores of 1-35mm and outer diameters of 3-47mm (accuracy levels up to ABEC9/P2), as well as special bearings with flanged outer rings and widened inner rings. GRW high-precision bearings are widely used in measuring instruments, dental mobile phones, medical equipment, aerospace, drive systems and other applications that have special or even extreme requirements for bearing accuracy, speed, load, temperature, etc. GRW can produce bearings with accuracy levels up to ABEC9/P2, and can provide customers with the best case design according to different working conditions by using different materials, different cages, different seals and lubrication. Precision spindle applications GRW bearings can be found in motors and gearboxes in precision drive systems in various industries. Such as pumps using gas and liquid as media, fans for large computers and cooling systems, storage and retrieval machines, multi-spindle drills, automatic tool holders...
2. HQW Precision GmbH
High precision manufacturer HQW Precision was originally opened as a service centre in Veitshöchheim near Wurzburg, Germany in 2009. It was established to fulfil multiple customer demands, such as the customisation of bearings, production of special retainers, and the assembly of bearing units.
Since 2013, HQW Precision has produced high-precision ball bearings from various stainless steels and in all precision classes at its current production site in Kürnach near Würzburg. A second building with enhanced production capability was added in 2018.
HQW manufactures high-end, anti-friction bearings and components that represent excellent value for money and meet the various needs and requirements of our customers. The company also works alongside selected high-tech partners to develop products. This offers the ideal environment for economically developing technically demanding solutions.
3. Kaydon thin section bearings are designed to save weight, use less space, reduce friction, increase design flexibility and provide high running accuracy.
Reali-Slim thin section bearings are a lightweight and compact solution for applications where space is limited. They are available in three different bearing types: Radial Contact Ball Bearings, Angular Contact Ball Bearings, Four Point Contact Ball Bearings
Industries include:
· Industrial machinery and automation
· Food processing equipment
· Heavy equipment
· Construction and utility vehicles
· Mining
· Oil and gas
· Solar energy
· Wind energy
4. Silverthin Bearing
Silverthin Bearing Group manufactures large diameter thin section ball bearings for the aerospace, industrial, robotics, and distributor markets. Silverthin bearings are manufactured in the United States in standard configurations, sealed and unsealed, up to 37 inches in diameter. Standard bearings are stocked or in production to meet customer short lead time requirements. Special bearings are engineered and manufactured up to 37 inches in diameter, some from special materials, to serve the needs of our diverse customer base.
5. GMN Paul Müller Industrie GmbH & Co. KG
Maximum precision with more than 100 years of experience: Now in the fourth generation, the family-run company GMN Paul Müller Industrie GmbH & Co. KG in Nuremberg manufactures high-precision ball bearings, machine spindles, freewheel clutches, non-contact seals and electric drives. A large proportion of these are tailor-made for our customers’ requirements for special applications and are used in many different ways in a broad range of applications.
GMN hybrid ball bearings
Hybrid ball bearings are a material combination of bearing steel (inner and outer rings) and ceramic (balls).
The material characteristics of ceramic balls provide significant increases in performance in machine operation in hybrid bearings in comparison to steel balls, especially under critical conditions.
The following characteristics apply to all standard sizes as well as lubricated and separable spindle ball bearings.
6. Zwicker Bearings/Zwicker Wälzlager
Künemund Group’s manufacturing operations are designed to focus on your individual needs and requirements. We produce special-purpose ball bearings, high temperature rolling bearings, linear motion engineering and seals, all in-house.
The above bearing companies are bearing manufacturers with great influence in a certain bearing field. The following bearing manufacturers are familiar to everyone, and their product series also cover ceramic ball bearings.
Zwicker supplies a comprehensive range of special-purpose ball bearings, from deep groove with special lubrication to ceramic, superhard and custom cages to matched pairs. Our range also includes ready-to-install bearing units, cast flanged bearings, track rollers, aligning ball bearings and bearings for prosthetics. We implement your custom roller bearing requirements to perfection.
The above bearing companies are bearing manufacturers with great influence in a certain bearing field. The following bearing manufacturers are familiar to everyone, and their product series also cover ceramic ball bearings. Hybrid Ceramic Bearing Manufacturer as follows:
1. SKF (Sweden), SKF is a leading global manufacturer of bearings and seals, offering various types of bearings, including ceramic ball bearings. Headquartered in Gothenburg, Sweden.
2. NSK (Japan), NSK is a Japanese listed company that focuses on the production and sale of various types of bearing products, including ceramic ball bearings. One of the world's leading bearing manufacturers.
3. Schaeffler (Germany), Schaeffler is a German listed company and one of the world's leading bearing manufacturers. They offer various types of bearing products, including ceramic ball bearings.
4. NTN (Japan), NTN is a Japanese listed company that focuses on the production and sale of various types of bearing products. They also offer ceramic ball bearings, which are widely used in high-speed, high-temperature and special environment applications.
5. Timken (USA), Timken is a US listed company that is mainly engaged in the manufacture and sale of bearings and power transmission products. They offer various types of bearings, including ceramic ball bearings.
6. TKW (China), TKW is a bearing manufacturer from China, mainly producing customized, high-precision, high-speed special bearings. Hybrid ceramic ball bearings are its main product series. Ceramic ball bearings are used in thin-section bearings, vacuum pump bearings, new energy bearings, high-precision spindle bearings, kart bearings, food and beverage bearings, etc. Solid oil bearings, excavator bearings, never-wear bearings, etc. have also developed into TKW's business scope based on customer needs.
Most of the ceramic ball bearings produced by the above hybrid ceramic ball bearing manufacturers are angular contact ball bearings, deep groove ball bearings, as well as cylindrical roller bearings and tapered roller bearings used in special industries. Hybrid ceramic bearings will choose bearing steel rings, stainless steel rings, ceramic rings, plastic rings, etc. according to the specific working conditions of the end equipment to achieve a perfect match. If you have any questions about bearing selection, you can contact us at any time.
