6209 Deep Groove Ball Bearings
| 6209 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6209 | Ball Number | 10 |
| d | 45 | Ball Size | 12.7 |
| D1 | 85 | Dynamic Load Co(N) | 31800 |
| B | 19 | Static Load Cor(N) | 20500 |
| R | 1.1 | Grease Speed | 12000 |
| Weight(Kg) | 0.414 | Oil Speed | 7800 |
6209 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Bearings
The 6209 deep groove ball bearing is a high-performance medium-heavy duty component in the 6200 series, upgraded from the 6208 model with optimized enlarged rolling elements and reinforced thickened raceway structure. This single-row deep groove ball bearing delivers enhanced radial and axial load capacity, improved structural rigidity and superior anti-fatigue performance, supporting stable low-friction, low-noise high-speed operation under long-duration heavy cyclic loads. It balances compact size and robust load-bearing toughness, serving as a core rotary transmission part for medium and large automated electromechanical equipment. The 6209 series includes three standard configurations: open type, 6209ZZ double metal shield type and 6209-2RS double rubber sealed type, with five industrial-grade materials to adapt to economical, sanitary, high-wear and corrosive complex industrial working environments.
6209 Open / ZZ / 2RS Structural Features
6209 Open Type: Featuring an unsealed open structure, this bearing enables unobstructed air circulation and efficient heat dissipation, eliminating heat accumulation during prolonged high-speed operation. It allows fast lubricant replacement and simple daily maintenance without extra rotational resistance. Ideal for clean, dry indoor workshops and fully enclosed precision machinery, it maintains stable running accuracy and consistent performance during long-cycle heavy-load operation.
6209ZZ Double Metal Shields: Equipped with dual-sided non-contact steel shields, this dust-proof bearing effectively blocks fine dry dust, floating micro particles and workshop debris. The non-contact design preserves original high-speed stability and rotational precision with minimal friction loss. Boasting reliable durability and excellent cost performance, it is widely applied in dry automated production lines, industrial heavy-duty motors, precision transmission equipment and general electromechanical devices.
6209-2RS Double Rubber Seals: This fully sealed variant adopts double-sided contact rubber seals for comprehensive isolation from moisture, splash water, oil mist and corrosive dust. It tightly locks internal lubricating grease to prevent leakage, oxidation and aging, enabling long-term maintenance-free operation. It perfectly adapts to humid, dusty, splash-prone and mild outdoor harsh working scenarios.
6209 Bearing Material Performance
Carbon Steel: Cost-effective standard industrial material with uniform hardness and stable anti-fatigue properties. It delivers reliable wear resistance and smooth high-speed rotation for heavy-load mechanical equipment, offering outstanding cost performance for mass industrial and civilian conventional applications.
304 Stainless Steel: Universal food-grade stainless steel with excellent anti-oxidation and rust resistance. It prevents surface corrosion and precision degradation in humid and open environments, suitable for food processing equipment, light industry and daily precision mechanical devices.
316 Stainless Steel: Premium marine-grade corrosion-resistant material with strong acid, alkali and salt spray tolerance. It resists mild chemical erosion and coastal high-humidity conditions, ideal for sanitary processing equipment, marine auxiliary devices and chemical precision instruments.
420 Stainless Steel: High-toughness martensitic stainless steel balancing moderate corrosion resistance and high surface hardness. It features superior wear and impact resistance, maintaining stable dimensional accuracy during long-cycle heavy-load continuous operation.
440 Stainless Steel: Ultra-high hardness stainless steel with top-tier abrasion resistance and structural stability. It sustains precise, stable operation under severe wear and complex corrosive environments, customized for high-end industrial heavy-duty precision equipment.
Core Advantages And Industrial Applications
The 6209 deep groove ball bearing features excellent heavy-load capacity, high structural stability, ultra-low noise and durable long-term high-speed performance. Three diversified sealing structures and five professional material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion industrial application scenarios. It is widely utilized in industrial heavy-duty drive motors, automated transmission systems, precision instruments, large household appliances, food processing machinery, medical precision devices and outdoor industrial equipment, providing stable, low-maintenance and high-efficiency precision rotation solutions for modern medium-heavy duty mechanical systems.
