6205 Deep Groove Ball Bearings
| 6205 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6205 | Ball Number | 9 |
| d | 25 | Ball Size | 7.938 |
| D1 | 52 | Dynamic Load Co(N) | 14800 |
| B | 15 | Static Load Cor(N) | 7850 |
| R | 1 | Grease Speed | 17000 |
| Weight(Kg) | 0.128 | Oil Speed | 20000 |
6205 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Bearings
The 6205 deep groove ball bearing is a widely used medium-size precision component in the 6200 series, upgraded from the 6204 model with enlarged rolling elements and thickened raceway structure. It features improved radial and axial load capacity, enhanced structural rigidity and excellent anti-fatigue performance, supporting stable low-friction and low-noise high-speed operation under medium cyclic loads. This single-row deep groove ball bearing balances compact size and heavy-load durability, serving as a core rotary part for small and medium-sized electromechanical equipment. The 6205 series is available in three standard configurations: open type, 6205ZZ double metal shield type and 6205-2RS double rubber sealed type, with five industrial-grade materials to adapt to economic, sanitary, wear-intensive and corrosive working environments.
6205 Open / ZZ / 2RS Structural Features
6205 Open Type: The unsealed open structure provides unobstructed air circulation and efficient heat dissipation during continuous high-speed operation. It allows convenient grease replacement and routine cleaning 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 medium-load operation.
6205ZZ Double Metal Shields: Equipped with dual-sided non-contact steel shields, this dust-proof bearing effectively blocks fine dry dust, floating particles and micro workshop debris. The non-contact design retains original high-speed stability and rotational precision with minimal friction loss. Featuring reliable durability and high cost performance, it is widely applied in dry automation systems, industrial small motors, precision electronic equipment and general transmission machinery.
6205-2RS 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 and aging, enabling long-term maintenance-free operation. It perfectly adapts to humid, dusty and mild outdoor working conditions for medium-precision mechanical devices.
6205 Bearing Material Performance
Carbon Steel: Standard cost-effective industrial material with uniform hardness and excellent anti-fatigue properties. It delivers stable wear resistance and smooth high-speed rotation for medium-load equipment, providing outstanding cost performance for mass civilian and general industrial applications.
304 Stainless Steel: Food-grade stainless steel with superior anti-oxidation and rust resistance. It prevents surface corrosion and precision degradation in humid and open environments, suitable for food processing machinery, light industry and daily precision equipment.
316 Stainless Steel: Premium marine-grade corrosion-resistant material with strong acid, alkali and salt spray tolerance. It withstands 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 excellent wear and impact resistance, ensuring stable dimensional accuracy for long-cycle medium-load precision parts.
440 Stainless Steel: Ultra-high hardness stainless steel with top-tier abrasion resistance and structural stability. It maintains precise and stable operation under heavy wear and complex corrosive environments, customized for high-end industrial and precision mechanical equipment.
Core Advantages And Industrial Applications
The 6205 deep groove ball bearing features balanced load capacity, high structural stability, ultra-low noise and reliable high-speed performance. Three diversified sealing structures and five professional material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion industrial scenarios. It is extensively used in industrial micro motors, precision instruments, household appliances, automated transmission equipment, miniature medical devices, food processing machinery and outdoor light industrial equipment, providing durable, low-maintenance and high-efficiency precision rotation solutions for modern medium-duty mechanical systems.
