MPB Bearings: Applications and Leading Precision Manufacturer

Understanding MPB Bearings

MPB bearings refer to bearings manufactured by MinebeaMitsumi Inc., a large producer of high-precision equipment and components. Based in Japan, MinebeaMitsumi has grown into one of the world's leading manufacturers of machined components like bearings that are used in a wide range of industries.

What Are the Applications of MPB Bearings?

MPB bearings are found in numerous devices and machines where precision and reliability are vital. Some of the most common applications include:

• Hard disk drives
• Optical equipment like photocopiers and scanners
• Motors used in power tools, appliances, and robotics
• Automotive systems such as transmissions and steering columns
• Office equipment including printers and fax machines
• Aerospace actuators and gyroscopes
• Semiconductor manufacturing equipment
• Medical devices

Benefits of Using MPB Bearings

There are several important benefits that make MPB bearings a top choice for companies across many tech-driven industries:

1. Extreme Precision - With tolerances as tight as one micron, MPB bearings enable smooth and accurate performance.
2. High Loads and Speeds - The bearings stand up well to high radial and axial loads and speeds.
3. Noise Reduction - Advanced designs dampen vibrations and minimize noise.
4. Corrosion Resistance - Stainless steel components prevent corrosion in harsh conditions.
5. Compact Footprints - Smaller sizes help reduce weight and space requirements.
6. Lower Operating Temps - Efficient heat dissipation improves lifespan and reliability.

MPB Bearing Types

MPB offers an extensive catalog of bearing types to suit the needs of various industrial applications. Some of their major bearing products include:

Ball Bearings

Their most common bearing type, ball bearings use small, hard metal balls between inner and outer races to reduce friction. Available in single and double row models in various contact angles, load capacities and accuracy grades.

Sleeve Bearings

Often called plain bearings, these consist of a shaft rotating within a stationary housing. MPB offers both solid and sintered sleeve bearings in materials like bronze, aluminum alloy and iron.

Needle Roller Bearings

Cylindrical rollers and thin-walled outer rings allow heavy loads in limited spaces. Used where radial space is confining but higher load capacity is needed.

Linear Motion Bearings

Designed to provide smooth linear movement instead of rotation, these straight-running bearings are often used on 3D printers, gantry robots, and precision stages.

Angular Contact Ball Bearings

With balls positioned at angle between races, these bearings handle combined radial and axial loads. Come as single or double row types for precision applications.

Leading Precision Bearing Manufacturer

With state-of-the-art facilities globally and advanced production capabilities, MinebeaMitsumi has led the industry in high-quality, precision bearings for over 60 years. Their ultra precision MPB bearings can meet exacting requirements for roundness, cylindricality and surface finish.

For companies that engineer industrial machinery, robotics, aerospace systems, semiconductor equipment, computer hardware and electronics, choosing MPB bearings provides reliable, smooth-running and maintenance-friendly operation. Strict quality control and sophisticated testing ensures these bearings outperform lower-cost competitors.

So for design engineers faced with selections for fans, blowers, turbines, compressors, sensitive optics, HDD spindles and countless other demanding motion control uses, MPB bearings deliver exceptional value and capabilities.

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FAQs

What materials are MPB bearings made from?

MPB uses high-grade stainless steel for the inner and outer bearing races. The steel balls or rollers are often made of chrome steel or ceramic elements. Cages can be brass, polyamide or stainless steel. Internal greases and seals also apply.

What precision standards do MPB bearings meet?

Many MPB bearings achieve ABEC-9 and ABEC-11 precision ratings. This translates to tolerances within a few ten-thousandths of an inch for roundness, coaxiality and surface finish quality.

Are MPB bearings suitable for sensitive optical equipment?

Yes, the extreme rotational accuracy and low noise/vibration makes these bearings an excellent choice for optical systems like cameras, medical imaging devices and laser scanning components.

What is the typical lifespan for MPB bearings in hours?

Under normal operating conditions, MPB bearings generally last from 20,000 hours to over 100,000 hours MTBF (mean time between failures). Environmental factors affect lifespan including loads, speeds and lubrication.