6213 Deep Groove Ball Bearings

6213 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Bearings

The 6213 deep groove ball bearing is a high-load heavy-duty component in the 6200 series, upgraded from the 6212 model with enlarged rolling elements and reinforced thickened raceway structure. This single-row deep groove ball bearing delivers excellent radial and axial load capacity, enhanced structural rigidity and superior anti-fatigue performance, supporting stable low-friction, low-noise operation under long-term continuous heavy cyclic loads. Designed for medium and large industrial mechanical systems, it balances stable high-speed performance and strong load-bearing toughness. The 6213 series comes with three standard configurations: open type, 6213ZZ double metal shield type and 6213-2RS double rubber sealed type, featuring five industrial-grade materials to fit economic, sanitary, high-wear and corrosive working environments.

6213 Open / ZZ / 2RS Structural Features

6213 Open Type: The unsealed open structure enables unobstructed air circulation and efficient heat dissipation, effectively preventing heat accumulation during prolonged high-speed operation. It allows easy grease replacement and regular maintenance without extra rotational resistance. Ideal for clean, dry indoor workshops and fully enclosed precision machinery, it maintains stable running accuracy and consistent performance under long-cycle heavy-load conditions.

6213ZZ 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 preserves original high-speed stability and rotational precision with minimal friction loss. With reliable durability and outstanding cost performance, it is widely applied in dry automated production lines, industrial heavy-duty motors, precision transmission equipment and general electromechanical devices.

6213-2RS 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, realizing long-term maintenance-free operation, perfectly adapting to humid, dusty, splash-prone and mild outdoor industrial working scenarios.

6213 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 heavy-load mechanical equipment, delivering excellent cost performance for mass industrial and civilian conventional 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 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, 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 during long-cycle heavy-load continuous operation.

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 industrial heavy-duty precision equipment.

Core Advantages And Industrial Applications

The 6213 deep groove ball bearing features upgraded 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 scenarios. It is extensively used in heavy-duty industrial drive motors, automated transmission systems, large household appliances, precision instruments, 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.