6809 Deep Groove Ball Bearings
| 6809 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6809 | Ball Number | 22 |
| d | 45 | Ball Size | 3.175 |
| D1 | 58 | Dynamic Load Co(N) | 6050 |
| B | 7 | Static Load Cor(N) | 4950 |
| R | 0.3 | Grease Speed | 13000 |
| Weight(Kg) | 0.038 | Oil Speed | 16000 |
6809 Deep Groove Ball Bearing | Open, ZZ, 2RS Ultra-Thin Precision Bearings
The 6809 deep groove ball bearing is a high-load ultra-thin precision component in the 6800 series, optimized with thickened raceway grooves and enlarged rolling elements to enhance structural rigidity and medium-load bearing capacity. Retaining the series’ classic ultra-slim lightweight design, this single-row thin-wall bearing solves space-limited installation challenges for miniaturized compact precision machinery, offering improved load endurance and anti-fatigue stability compared to smaller 6800 series models. It delivers low-friction, ultra-quiet and consistent high-speed cyclic operation, ideal for long-running compact electromechanical and automated precision systems. Available in three standard industrial configurations, open type, 6809ZZ double metal shield type and 6809-2RS double rubber sealed type, this bearing features five industrial-grade materials to adapt to economical, sanitary, wear-resistant and corrosive complex working environments.
6809 Open / ZZ / 2RS Structural Features
6809 Open Type: The unsealed open structure provides unobstructed air circulation and efficient heat dissipation, effectively eliminating thermal accumulation during prolonged high-speed continuous operation. It supports convenient grease replenishment and routine maintenance without generating extra rotational resistance. Suited for clean, dry indoor workshops and fully enclosed slim precision equipment, it maintains stable running accuracy and consistent performance during long-cycle medium-load operation.
6809ZZ Double Metal Shields: Fitted with dual-sided non-contact steel shields, this professional dust-proof bearing effectively blocks fine dry dust, floating micro particles and workshop debris. The non-contact structure preserves original high-speed precision and rotational smoothness with minimal friction loss. Boasting reliable long-term durability and excellent cost performance, 6809ZZ bearings are widely used in dry precision automation systems, miniature high-power motors, consumer electronic devices and compact precision transmission machinery.
6809-2RS Double Rubber Seals: This fully sealed variant adopts double-sided contact rubber seals to comprehensively isolate moisture, splash water, oil mist and corrosive fine dust. It firmly locks internal lubricating grease to prevent leakage, oxidation and aging, enabling long-term maintenance-free operation. It reliably adapts to humid, dusty and mildly harsh workshop and outdoor working conditions for portable and industrial compact precision electromechanical equipment.
6809 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 conventional precision equipment, offering outstanding cost efficiency for mass electronic products and general industrial batch applications.
304 Stainless Steel: Food-grade stainless steel with excellent oxidation and rust resistance. It prevents surface corrosion and precision degradation in humid and open environments, perfect for food processing micro equipment, sanitary machinery and daily slim precision devices.
316 Stainless Steel: Marine-grade corrosion-resistant material with strong tolerance to acid, alkali and salt spray. It withstands mild chemical erosion and coastal high humidity, ideal for marine precision accessories, sanitary processing equipment and chemical precision instruments.
420 Stainless Steel: High-toughness martensitic stainless steel balancing moderate corrosion resistance and high surface hardness. It features stable wear and impact resistance, maintaining accurate dimensional stability during long-term continuous precision 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 corrosive environments, customized for high-end ultra-thin precision industrial and electronic equipment.
Core Advantages And Industrial Applications
The 6809 deep groove ball bearing integrates an ultra-thin space-saving structure, lightweight design, upgraded medium-load capacity, ultra-low noise and durable high-speed precision performance. Three diversified sealing structures and five professional material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion precision application scenarios. It is extensively applied in miniature high-power precision motors, smart wearable devices, consumer electronics, small household appliances, miniature medical devices, automated precision accessories and light-duty food processing machinery, providing compact, low-maintenance and high-efficiency precision rotation solutions for modern miniaturized space-limited mechanical systems.
