6301 Deep Groove Ball Bearings
| 6301 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6301 | Ball Number | 6 |
| d | 12 | Ball Size | 7.938 |
| D1 | 37 | Dynamic Load Co(N) | 9700 |
| B | 12 | Static Load Cor(N) | 4200 |
| R | 0.6 | Grease Speed | 20000 |
| Weight(Kg) | 0.060 | Oil Speed | 24000 |
6301 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Mini Bearings
The 6301 deep groove ball bearing is a high-performance miniature precision bearing in the 6300 series, upgraded with optimized raceway curvature and reinforced rolling element arrangement compared to standard micro bearings. This single-row deep groove ball bearing delivers enhanced load capacity, excellent dimensional stability and superior anti-fatigue performance, supporting long-term stable low-friction, low-noise high-speed operation under light and medium cyclic loads. Boasting a compact, lightweight and highly precise structure, it is a core rotary component widely used in micro electromechanical systems and precision automation equipment. The 6301 series provides three standard industrial configurations: open type, 6301ZZ double metal shield type and 6301-2RS double rubber sealed type. Five industrial-grade materials are available to meet economical, sanitary, wear-resistant and anti-corrosion working requirements for diverse miniature industrial scenarios.
6301 Open / ZZ / 2RS Structural Features
6301 Open Type: The unsealed open structure achieves unobstructed air circulation and efficient heat dissipation during continuous high-speed operation. It allows quick grease replacement and daily routine maintenance without generating extra rotational resistance. Suitable for clean, dry indoor workshops and fully enclosed precision micro machinery, it maintains stable running accuracy and consistent performance during long-cycle light and medium-load operation.
6301ZZ 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 retains original high-speed precision and rotational smoothness with minimal friction loss. Featuring reliable durability and excellent cost performance, 6301ZZ bearings are widely applied in dry micro automation equipment, small precision motors, consumer electronics and miniature transmission systems.
6301-2RS 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 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 environments for miniature precision equipment.
6301 Bearing Material Performance
Carbon Steel: Cost-effective standard industrial material with uniform hardness and stable anti-fatigue properties. It provides reliable wear resistance and smooth high-speed rotation for conventional micro mechanical equipment, delivering outstanding cost performance for mass consumer and general industrial 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, ideal for food processing micro devices, sanitary equipment 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, suitable for marine micro equipment, sanitary devices 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, ensuring consistent dimensional accuracy during long-cycle continuous operation of precision micro parts.
440 Stainless Steel: Ultra-high hardness stainless steel with top-tier abrasion resistance and structural stability. It maintains precise and stable operation under severe wear and complex corrosive environments, customized for high-end electronic and industrial precision miniature equipment.
Core Advantages And Industrial Applications
The 6301 deep groove ball bearing features ultra-compact lightweight structure, ultra-low noise, vibration-free operation 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 drive motors, precision testing instruments, consumer electronics, smart device accessories, small household appliances, miniature medical devices, automated precision components and food processing micro machinery, providing durable, low-maintenance and high-efficiency precision rotation solutions for modern light-load miniature mechanical systems
