Precision Mechanical Components (PMC) are a variety of sub-assemblies that utilize high-precision ball bearings manufactured by MinebeaMitsumi.
Leveraging our ultra-precision machining technology and bearing assembly know-how—expertise only a bearing specialist can possess—we maximize bearing performance and resolve challenges related to rotational accuracy, lifespan, and vibration.
Application
Automobiles
Robots
Textile machinery
Medical pumps
Vacuum cleaners
Racing wheelchairs
Features
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World's No.1 Market Share
The Trusted NMB BrandMiniature and small-diameter ball bearings with an outer diameter of 22mm or less hold over 60% of the world's market share. Our trusted NMB brand is backed by over 70 years of experience and know-how.
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High-Precision Alignment through
Ultra-Precision Machiningachieve extremely low shaft runout by applying the high-precision machining technology cultivated through bearing manufacturing to the precision machining of shafts and other components.
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Maximizing Bearing Performance
with High-Precision Assembly and
Strict Quality ControlAs bearing experts, we maximize bearing performance and resolve issues such as play, rigidity, rotational accuracy, and vibration by precisely managing assembly and preload—which requires extensive know-how—for various components and sub-assemblies.
Case Studies
High-Speed Cartridge Bearing
Our reliable assembly technology enables cartridge integration, achieving high-precision shaft alignment. This contributes to the quiet operation and extended lifespan of both our products and their bearings. It's ideal for high-speed rotation applications, including those reaching 100,000 rpm.
Point
- High-speed rotation
- High rotational performance
- Complex processing
- High-precision ball bearing
Application Examples
- Motors for home appliances
- Textile machinery
- Automotive components
High-Precision Assembly
We handle even complex bearing assemblies with high precision, using our reliable press-fitting, bonding, and preloading techniques. This ensures smooth, consistent rotation even after assembly. We also offer various threaded assemblies for easier installation, contributing to the simplification of your assembly process.
Point
- High-speed rotation
- High rotational performance
- Man-hour reduction
- High-precision ball bearing
Application Examples
- Wheelchair hubs
- Medical pumps
Precision Machined Shaft
We can also offer our precision machining technology as a standalone service, leveraging our extensive bearing manufacturing know-how. We handle high-volume production of challenging eccentric machining with exceptional quality. Additionally, we provide high precision in a wide range of metal processing, including grinding and cutting.
Point
- Complex processing
Application Examples
- Various automotive parts, such as ABS.
- Robotic parts
High-Hardness Roller
We offer high-performance rollers that achieve high hardness, long lifespan, and low wear by assembling a heat-treated and surface-treated housing with a flanged bearing.
Point
- High hardness
- Surface finishing
- High-precision ball bearings
Application Examples
- Guide roller
- Pulley
Main specifications
We can accommodate other specifications too, so please feel free to contact us.
You can scroll
| Material | Stainless steel | SUS3xx, SUS4xx, SUS6xx, etc. |
|---|---|---|
| Bearing steel and ferrous materials | SUJ2, SUMxx, CMxx, etc. | |
| Aluminum alloy | A5xxx, A6xxx, etc. | |
| Brass | C3604, C6801, etc. | |
| Resin | POM, PEEK, etc | |
| Size | Outer diameter 65mm or less, length 440mm or less | |
| Heat treatment | Quenching, Tempering | |
| Processing | Cutting Grinding Milling |
|
| Surface treatment | Electroless nickel plating Hard anodizing Hard chrome plating Nitriding DLC |
|
Equipment
Quality Management System
Our group has established the "Group Quality Management Regulations," which apply to the entire group, to ensure the safety of our products and services and prevent accidents. Furthermore, our Precision Mechanical Assembly Products business unit alone has acquired international quality management system certifications such as ISO 9001, ISO 13485, and IATF 16949. This enables us to consistently supply high-quality products that our customers can confidently adopt for a wide range of applications.
General
ISO9001
Automotive
IATF16949
Medical
ISO13485
Pick Up! ──
Introducing Precision Mechanical Components (PMC):
mechanical parts and sub-assembly products that maximize bearing performance.
Leveraging the technical expertise of a bearing specialist, including ultra-precision machining technology and assembly know-how, PMC products bring out the full potential of bearings. They address critical challenges related to rotational accuracy, lifespan, and vibration.
FAQ
Is it possible to handle a small amount of sample?
It is possible. For more details, please contact us.
We will respond according to the customer's request.
How long is the sample lead time?
Generally, it will take about 6 weeks, but it will change depending on the processing / assembly man-hours and the situation, so we will adjust the lead time according to the customer's request after consultation.
Contact Us
Please click the inquiry type below according to your question. Each product / sales representative will respond to you.
