Top Miniature Bearing Supplier
Precision in Every Rotation
At BMT IMPEX, we know that size doesn’t always matter—precision does. As a trusted Top Miniature Bearing Supplier, we specialize in providing the tiny, high-precision components that power the world’s most delicate and complex machinery. From medical instruments to high-speed drones, the performance of your small devices depends entirely on the quality of the bearings inside them.
We are dedicated to supplying miniature bearings that offer exceptional accuracy, low noise, and long-lasting reliability. This guide will help you understand why these small parts are a big deal and how to choose the right ones for your applications.
What They Are Made From
When you are looking for a Top Miniature Bearing Supplier, material selection is critical because even microscopic imperfections can cause failure in small devices.
High-Grade Chrome Steel
The majority of our miniature bearings are crafted from high-carbon chromium steel. This material is exceptionally hard and wear-resistant. It allows the bearing to withstand heavy loads for its size and endure high-speed rotation without deforming, ensuring a long lifespan for your device.
Advanced Shielding and Seals
To protect the delicate internal parts from dust and moisture, we offer bearings with metal shields (ZZ) or rubber seals (2RS). Shields allow for higher speeds, while rubber seals provide a tighter barrier against contaminants, making them ideal for harsher environments.
High-Precision Tolerances
Unlike standard bearings, miniature types are often manufactured to ABEC (Annular Bearing Engineers' Committee) standards. These strict tolerances ensure that the rolling elements move with perfect accuracy, reducing vibration and noise—crucial for sensitive electronics and medical tools.
Miniature Ball Bearing Specifications
| Bearing No | Inner Dia (mm) | Inner Dia (in) | Outer Dia (mm) | Outer Dia (in) | Width (mm) | Width (in) | Dynamic Load (Cr) | Static Load (Cor) | Max Speed | Weight (kg) |
|---|
PRODUCT MODELS
Complete range of miniature ball bearings for every application
Where Are Miniature Ball Bearings Used?
Miniature bearings are the "heartbeat" of modern compact technology. If you visit our Industries page, you will see that we serve diverse sectors that rely on micro-engineering.
Medical and Dental
Handpieces (drills), surgical robots, and pumps require bearings that are sterile, quiet, and spin at incredibly high speeds.
Electronics and IT
Cooling fans in computers, hard disk drives (HDDs), and printers all use miniature bearings to ensure smooth operation without generating noise.
Power Tools
Small cordless drills, grinders, and screwdrivers use these bearings to transmit power efficiently in a compact shell.
RC Models & Drones
The hobby sector demands high performance at low weights. These bearings allow for maximum RPM in brushless motors and servos.
Why Choose BMT IMPEX?
Sourcing miniature bearings can be difficult. A slight variance in size can lead to a fitment issue. As a Top Miniature Bearing Supplier, we remove that stress.
Strict Tolerance Control
We understand that in the miniature world, precision is everything. Our bearings are sourced from manufacturers who adhere to ABEC (Annular Bearing Engineers' Committee) standards, ensuring the fit is exact every time.
Vast Selection
We stock a wide variety of bore sizes and widths, meaning we likely have the odd size you need in stock.
Expert Support
If you are unsure whether you need stainless steel or chrome steel, or if you are confused by flanges vs. non-flanges, our team is here to help you make the right choice.