6203 Deep Groove Ball Bearings
| 6203 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6203 | Ball Number | 9 |
| d | 17 | Ball Size | 6.350 |
| D1 | 40 | Dynamic Load Co(N) | 9560 |
| B | 12 | Static Load Cor(N) | 4780 |
| R | 0.6 | Grease Speed | 22000 |
| Weight(Kg) | 0.065 | Oil Speed | 26000 |
6203 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Mini Bearings
The 6203 deep groove ball bearing is a high-precision miniature light-duty bearing in the 6200 series, optimized and upgraded from the 6202 model with enlarged rolling elements and reinforced thickened raceway. This single-row deep groove ball bearing boasts improved load-bearing capacity and structural rigidity while retaining a compact, lightweight body. It delivers low-friction, ultra-quiet and stable high-speed cyclic operation, perfectly suited for miniature precision transmission and lightweight electromechanical equipment. Available in three standard configurations, open type, 6203ZZ double metal shield type and 6203-2RS double rubber sealed type, it features five industrial-grade materials to adapt to economic, sanitary, wear-resistant and corrosive complex working scenarios.
6203 Open / ZZ / 2RS Structural Features
6203 Open Type: The unsealed open structure enables unobstructed air circulation and efficient heat dissipation during continuous high-speed operation. It supports quick lubricant replacement and simple daily maintenance without extra rotational resistance. Designed for clean, dry indoor workshops and fully enclosed precision micro machinery, it maintains stable running accuracy and long-term operational consistency under light cyclic loads.
6203ZZ Double Metal Shields: Equipped with dual-sided non-contact steel shields, this dust-proof bearing effectively blocks fine dry dust, tiny floating particles and micro workshop debris. The non-contact design preserves original high-speed precision and rotational smoothness without friction loss. With reliable durability and excellent cost performance, it is widely applied in dry micro automation systems, small DC motors, precision electronics and general miniature transmission equipment.
6203-2RS Double Rubber Seals: This fully sealed variant adopts double-sided contact rubber seals to fully isolate moisture, splash water, oil mist and corrosive fine dust. It tightly locks internal lubricating grease to prevent leakage and aging, realizing long-term maintenance-free operation, perfectly adapting to humid, dusty and mild outdoor working conditions for miniature precision devices.
6203 Bearing Material Performance
Carbon Steel: Cost-effective standard industrial material with uniform hardness and excellent anti-fatigue properties. It provides stable wear resistance and smooth high-speed rotation for conventional light-load miniature equipment, offering outstanding cost performance for mass consumer electronics and general industrial applications.
304 Stainless Steel: Universal food-grade stainless steel with superior anti-oxidation and rust resistance. It avoids surface corrosion and precision degradation in humid and open environments, ideal for food processing mini devices, light industry and daily precision miniature machinery.
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, suitable for sanitary miniature equipment, marine micro devices and light chemical precision instruments.
420 Stainless Steel: High-toughness martensitic stainless steel balancing moderate corrosion resistance and high surface hardness. It features reliable wear and impact resistance, ensuring stable dimensional accuracy for long-cycle operating miniature 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 slight wear and complex corrosive environments, customized for high-end electronic and industrial precision miniature equipment.
Core Advantages And Industrial Applications
The 6203 deep groove ball bearing features ultra-compact lightweight structure, upgraded load capacity, ultra-low noise and stable high-speed performance. Three diversified sealing structures and five professional material grades fully cover economical, anti-rust, wear-resistant and anti-corrosion miniature application scenarios. It is extensively used in micro motors, precision instruments, consumer electronics, intelligent equipment transmission components, small household appliances, miniature medical devices, automated precision accessories and food processing micro equipment, providing durable, low-maintenance and high-efficiency precision rotation solutions for modern light-load miniature mechanical systems.
