Sill Bearing
The 6313 bearing, a fundamental component of the deep groove ball bearing family, stands as a cornerstone in modern mechanical engineering. With its standard dimensions (65mm bore, 140mm OD, 33mm width), it offers a unique equilibrium between heavy load-carrying capacity and high-speed performance. Globally, the demand for 6313 series bearings has surged, driven by the rapid expansion of heavy industries, renewable energy sectors, and automated manufacturing systems.
In the commercial landscape, the 6313 bearing isn't just a commodity; it's a critical asset. Major players in the automotive and aerospace industries are increasingly looking for "China 6313 bearing suppliers" who can provide not just quantity, but high-precision quality that meets ISO P6 or P5 standards. This shift is part of a broader trend where value-driven procurement replaces pure price-based selection.
Modern 6313 bearing production incorporates IoT sensors and AI-driven quality control to ensure every ball and race meets microscopic specifications.
Transitioning towards high-performance, biodegradable greases that extend bearing life while reducing environmental impact in global operations.
Utilization of vacuum-degassed GCr15 chrome steel ensures higher fatigue strength and durability for extreme 6313 industrial applications.
The industry is moving toward "Maintenance-Free" solutions. For large-scale procurement, this means selecting 6313-2RS (sealed) or 6313-ZZ (shielded) variants that are pre-lubricated for life. In the context of global competition, Chinese factories are leading this trend by investing heavily in R&D to match and exceed the performance of traditional European brands.
International buyers, from MRO (Maintenance, Repair, and Overhaul) distributors to original equipment manufacturers (OEMs), require a supply chain that is both robust and flexible. The 6313 bearing is a high-demand item in several localized scenarios:
| Bore Diameter | 65 mm |
| Outer Diameter | 140 mm |
| Width | 33 mm |
| Dynamic Load | 92.3 kN |
| Static Load | 60 kN |
| Limiting Speed | 5300 r/min |
SILL BEARING FACTORY is strategically positioned at the heart of China’s industrial powerhouse. Located in the Hangzhou Bay New Zone, our facility benefits from a world-class logistical ecosystem. We are not just a supplier; we are a hub of engineering precision.
Our proximity to Shanghai Port and Ningbo Port—two of the busiest and most efficient ports globally—allows us to offer significantly reduced lead times and shipping costs. With the Hangzhou-Ningbo Expressway and high-speed rail lines at our doorstep, your orders move from the production line to the container ship in record time.
Being just 90 minutes away from major international airports (Hangzhou Xiaoshan and Ningbo Lishe) means we are easily accessible for international factory audits and technical consultations. Our facility employs state-of-the-art automated grinding lines and ultrasonic cleaning systems to ensure that every 6313 bearing is free from contaminants and defects.
"Our mission is to bridge the gap between high-end industrial requirements and cost-effective manufacturing without compromising on a single micron of precision."
When you partner with a China 6313 bearing factory like ours, you gain access to a vertically integrated supply chain. From raw material sourcing in the local steel clusters to advanced heat treatment and final assembly, every step is controlled under rigorous quality management systems. This localized advantage translates into competitive pricing, consistent quality, and rapid scalability for large-volume orders.
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 commitment to excellence in the 6313 bearing market is unwavering. Whether you are seeking a reliable 6313-C3 bearing for high-speed electric motors or heavy-duty sealed variants for outdoor agricultural use, our engineering team is ready to provide the technical support and manufacturing capacity you need. Explore our full range of deep groove ball bearings and experience the peak of Chinese manufacturing quality.