Sill Bearing
Sill Bearing
The 6309 bearing is more than just a mechanical component; it is the silent heart of modern industrial machinery. As a standard metric deep groove ball bearing with a 45mm bore, 100mm outer diameter, and 25mm width, the 6309 size provides an optimal balance between load capacity and rotational speed. In the current global landscape, where efficiency and uptime are the ultimate metrics of success, choosing a reliable China 6309 bearing manufacturer has become a priority for Fortune 500 companies and local SMEs alike.
From the massive wind turbines in the North Sea to the high-speed electric motors powering the next generation of logistics automation, the 6309 bearing is ubiquitous. Its ability to handle both radial and axial loads makes it versatile across thousands of applications. As we move deeper into the era of Industry 4.0, the demand for precision-engineered 6309 bearings—capable of operating with minimal friction and noise—is skyrocketing.
Utilizing high-grade GCr15 chrome steel and advanced heat treatment to ensure P6 and P5 precision levels for high-speed stability.
Options for ZZ, 2RS, or Open configurations with premium synthetic greases designed for extreme temperature ranges.
Low-torque design reduces energy consumption in electric motors, contributing to global sustainability goals.
The global bearing market is undergoing a seismic shift. As a leading supplier of 6309 bearings, we observe three major trends that are shaping the future of procurement:
For global buyers, these trends mean that selecting a 6309 bearing supplier in China involves looking beyond the price tag. It requires a partner who understands total cost of ownership (TCO) and can provide technical documentation for every batch produced.
Years Experience
Annual Capacity
Countries Served
9001/IATF 16949
Our 6309 Series bearings are utilized across a diverse spectrum of industries worldwide. Here is how they are applied in local markets:
In Germany and the USA, our 6309-2Z/C3 bearings are the top choice for 22kW to 45kW industrial motors, providing low noise and long service life.
For the vast farmlands of Brazil and Australia, our 6309-2RS bearings are equipped with heavy-duty seals to prevent dust and moisture ingress in harvesters.
Providing essential support in the gearboxes of heavy-duty trucks and buses, ensuring smooth torque transfer under high-stress conditions.
Whether it's a high-speed centrifugal pump in a chemical plant or a conveyor system in a mining operation, the precision of our 6309 bearings ensures that the world keeps moving without interruption.
Sourcing from a China 6309 bearing factory offers unparalleled advantages in the modern supply chain. At SILL BEARING, we combine the cost-efficiencies of Chinese manufacturing with the rigorous quality standards expected by European and North American engineers.
SILL BEARING FACTORY, is located in the beautiful and affluent place named Hangzhou Bay New Zone, which is not only close to the two biggest ports of China—Shanghai port and Ningbo Port, but also adjacent to Hangzhou—Ningbo Expressway, 329 State Line and Hangzhou- Ningbo Railway Line. Besides, it owns the advantage of transportation, as it only takes about 90 minutes to go to Hangzhou Xiaoshan Airport or Ningbo Lishe Airport.
Our geographic location is a strategic asset. Proximity to Ningbo and Shanghai ports means we can offer the fastest lead times for international shipping, reducing your inventory costs. Furthermore, our facility is equipped with fully automated production lines, ensuring that every 6309 bearing we ship—from the first to the millionth—meets identical tolerances.
When selecting a 6309 bearing supplier, technical specifications are non-negotiable. Our 6309 deep groove ball bearings are manufactured to the following world-class parameters:
| Feature | Specification |
|---|---|
| Bore Diameter (d) | 45.000 mm |
| Outer Diameter (D) | 100.000 mm |
| Width (B) | 25.000 mm |
| Dynamic Load Rating | 53.0 kN |
| Static Load Rating | 32.0 kN |
| Limiting Speed (Grease) | 7,500 RPM |
We utilize Vibration Testing (V1, V2, V3) and Noise Testing (Z1, Z2, Z3) for every production run, ensuring that our 6309 bearings meet the quiet-running requirements of precision electric fans and home appliances.
The global industrial landscape is competitive. Don't let a subpar bearing be the weak link in your machinery. Trust SILL BEARING, your dedicated 6309 bearing manufacturer in China, to provide the reliability, speed, and precision your business deserves.
