What Is the Size of NMB Bearing?

Ball bearings are used in a wide range of industries, from motors and car axles to industrial fans and hard disk drives. To ensure proper selection and installation of a ball bearing, it’s essential to know what size is necessary for your application.

To measure an nmb bearings, use a measure from one outside edge to the other. You may also take measurements with a ruler.


NMB offers the perfect solution, whether you need a ball bearing, spherical bearing or another type of specialized bearing. Their products are made with advanced materials and designed for long-lasting performance.

These products are used in a range of industries and applications to provide stability and control over rotating parts.

They come in a range of sizes to accommodate various types of machinery. Selecting the correct size helps guarantee your machine runs optimally and efficiently.

NMB’s miniature and spherical bearings are made with premium stainless steel for durability, resistance to rust and corrosion – making them perfect in harsh environments.


Ball bearings are essential in the operation of many machines that rotate and reduce friction. They’re used in automotive, aerospace, precision medical and industrial applications.

NMB is a leader in the production of miniature ball bearings with diameters less than 22 millimetres, an area of core competency for the company.

Our miniature ball bearings are engineered to meet a variety of performance demands, such as high rotation speeds, minimal friction torque, maximum stiffness or long product life. In addition to roller and dental bearings, X-ray tube bearings and turbocharger bearings, these bearings find application in other areas such as turbocharger bearings.

Additionally, we provide custom mechanical bearing assemblies. These high-level bearing systems feature machined shafts, magnets, gears and plastic parts that meet the most stringent quality and space requirements for medical and automotive markets. We offer these direct to OEMs or through authorized bearing distributors.


When selecting the lubrication that best protects NMB ball bearings, you must take into account several factors. Space constraints, maintenance needs, operating parameters, environmental conditions and cost must all be taken into account to guarantee an appropriate choice of lubricant.

Oil is still the primary lubricant for most bearings, but there are now numerous synthetic alternatives, silicone polymers and fluorinated compounds available.

Synthetic products offer superior temperature and viscosity properties than petroleum-based oils, as well as being oxidation resistant – an important trait for certain applications.

When selecting a bearing lubricant, the type used has an immense impact on its lifespan, torque, speed, noise level, grease migration outgassing temperature and rust prevention. Therefore, it is imperative to select the lubricant correctly and adhere to all directions provided for successful operation.


Maintaining NMB bearings by keeping them clean and lubricated can significantly extend their service life. Depending on the application, using the correct lubricant for proper operating temperature and speed is key to ensure optimal performance.

Maintaining the handling room as clean as possible is essential to reduce the risk of particle accumulation on bearings.

Shields and seals are designed to prevent particles from entering the bearing, but some particles may still make their way through the gap between outer and inner rings when taken out of its packaging.

Rust can build up on the surface of a bearing, potentially leading to damage or premature failure. In such cases, it is important for the bearings to be cleaned and inspected prior to usage.


It is essential to protect bearings from moisture and perspiration, which can cause rust and corrosion. Avoid exposing them to air conditioners, direct sunlight, or any other environments where condensation could form.

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