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NMB Bearings

NMB brand miniature and instrument bearings are famous worldwide for being the top product when it comes to quality, long term consistency and best value over the lifetime of the product.

NMB Technologies Corporation

NMB (USA) Inc. (Nippon Miniature Bearing) is an American holding company that manages Minebea’s American subsidiaries.

Company history​

MinebeaMitsumi, Inc. (ミネベアミツミ株式会社, MinebeaMitsumi Kabushiki-gaisha) is a Japanese Corporation. MinebeaMitsumi was founded as Minebea Co., Ltd. (ミネベア株式会社, Minebea Kabushiki-gaisha) in 1951. On June 30, 2019, MinebeaMitsumi had holdings o f121 consolidated subsidiaries in electronics and machinery.

On January 27, 2017, Minebea acquired Mitsumi for $500 million and changed its name to MinebeaMitsumi.

Minebea has the world’s largest shares in 6 product areas such as ball bearings (65%) and pivot assemblies (65%).

International Asian business accounts for 80% of Minebea’s production and 50% of its sales.

In the USA NMB bearings are exclusively sold through Pacific International Bearing Sales Inc and a few other select Distributors. NMB as the USA holding company co-exists with NHBB bearing company both with manufacturing located in the USA.

Where are NMB bearings made?​

NMB Bearing has production plants in Thailand, Japan, Singapore, China and the USA.

Item Contents
R&D Operations
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
  • Thai R & D Center (Thailand)
Manufacturing Facilities
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
  • MinebeaMitsumi Inc. Karuizawa Plant (Japan)
ApplicationsHousehold appliances, Office automation equipment , Automobile, Information and Telecommunications, Robotics, fans, small gearheads and motors, flying cars, disk drives etc…
Started Operations1951

NMB Technologies plants are the most modern automated factories in the world. NMB Bearing company produces millions of miniature ball bearings monthly. NMB Bearing’s ability to produce millions of bearings repetitively of the highest quality makes them a leader in miniature bearing production. NMB’s high volume automated manufacturing capability is just part of the NMB story. NMB bearing has invested in extensive research, development and tool making facilities. NMB bearing’s material laboratories are equipped and staffed to perform full chemical and metallurgical analysis on NMB bearing components. In manufacturing NMB bearings process surveillance is maintained for all production operations to ensure that each and every NMB bearing is of the highest quality.

NMB & PIB — A 30+ Year Partnership​

NMB engineers and the experienced sales staff here at Pacific International Bearing work closely with you throughout the product bearing development process to create customized bearings for unique applications. Pacific International Bearing offers Design flexibility while keeping in mind the customers goals for value and maintaining quality.

NMB Miniature and Instrument Bearings​

The integrity of all NMB bearings and related NMB products is further assured by the most advanced test equipment in environmentally controlled clean rooms. The effective utilization of all resources has allowed NMB bearing to supply customers with NMB bearings of the highest quality.

NMB Technologies Corporation has a strong commitment to the advancement of production technology of NMB bearings. NMB Bearings primarily manufactures miniature ball bearings and related components such as bearing assemblies.

NMB Bearing has dedicated its full capabilities to producing the highest quality bearings at the most competitive prices thereby delivering true value to the customer. The automated processing of miniature ball bearings and millions of precision ball bearings demands for quality assurance systems second to none. NMB bearings must match quality control to its production capabilities to produce the highest quality precision miniature ball bearings. NMB ball bearing customers with stringent and unique requirements can be accommodated by NMB’s process for development, selection and sampling of precision miniature ball bearings. NMB bearing has some of the most advanced performance and reliability testing equipment for high precision miniature ball bearings. NMB bearing developed gages and gaging methods checking on the quality during production resulting in the most reliable outcomes exceeding all documented specifications and requirements.

Some of the NMB Bearing testing equipment include the NMB microscopic ball bearing Inspection machine, the NMB 10 ton tensile/compression bearing material tester in the NMB lubrication research and development laboratory.In the production of precision miniature ball bearing production NMB employs a non CFC washing system and a profile grinder with detail magnifications for producing precision ball bearing dies.

NMB’s sister company NHBB bearings are world renowned for their uses in Dental Handpieces, and drills, centrifuges, diagnostic equipment, artificial heart pumps, blood analyzers, cryogenic pumps and lasers.

Both NMB bearing and NHBB bearing are heavily specified in High Technology and High Performance applications. The applications for NMB and NHBB precision ball bearings include Scanners, Semiconductor processing, optical encoders, robotics, Galvos, Microturbines, Turbomolecular pumps and flow meters.

NMB Bearings and NHBB Bearing has commitment to cost-competitiveness for volume OEM customers. The cost-competitive production methods for ultraprecision, standard precision miniature ball bearings ensure aggressive pricing.

NMB Bearings​

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