6211 Deep Groove Ball Bearings
| 6211 Deep Groove Ball Bearings | |||
|---|---|---|---|
| Part Number | 6211 | Ball Number | 10 |
| d | 55 | Ball Size | 15.875 |
| D1 | 100 | Dynamic Load Co(N) | 43200 |
| B | 21 | Static Load Cor(N) | 29200 |
| R | 1.5 | Grease Speed | 8600 |
| Weight(Kg) | 0.601 | Oil Speed | 10000 |
6211 Deep Groove Ball Bearing | Open, ZZ, 2RS High-Speed Bearings
The 6211 deep groove ball bearing is a high-rating heavy-duty model in the 6200 series, upgraded from the 6210 with larger rolling elements and reinforced raceway geometry for improved load capacity and rigidity. This single-row deep groove ball bearing delivers excellent radial and axial load resistance, superior anti-fatigue performance and stable dimensional consistency during continuous high-speed, heavy-cycle operation. Designed for medium to heavy industrial transmission systems, the 6211 bearing offers low friction, low noise and long service life for demanding mechanical environments. It is available in three standard configurations: open type, 6211ZZ double metal shield type and 6211-2RS double rubber sealed type, with five industrial-grade material options to cover economic, sanitary, wear-intensive and corrosive working conditions.
6211 Open / ZZ / 2RS Structural Features
6211 Open Type: The unsealed open structure provides unrestricted airflow and outstanding heat dissipation, making it ideal for sustained high-speed operation. It allows easy grease replenishment and routine cleaning without increasing rotational resistance. Suited for clean, dry indoor environments and fully enclosed precision machinery, it maintains consistent accuracy and stable performance under long-term heavy-load operation.
6211ZZ Double Metal Shields: Equipped with dual non-contact steel shields, this dustproof bearing effectively blocks fine dry dust, floating particles and micro workshop debris. The non-contact design preserves original high-speed precision and smooth rotation with minimal friction loss. Offering excellent durability and cost efficiency, the 6211ZZ is widely used in dry automation lines, industrial motors, power transmission systems and general heavy-duty electromechanical equipment.
6211-2RS Double Rubber Seals: This fully sealed version features double-sided contact rubber seals that provide comprehensive protection against moisture, splash water, oil mist and corrosive dust. The tight sealing structure locks internal lubrication securely to prevent grease leakage and aging, enabling long-term maintenance-free operation. It is ideal for humid, dusty, splash-prone and outdoor industrial working scenarios.
6211 Bearing Material Performance
Carbon Steel: A cost-effective industrial standard material with uniform hardness and reliable anti-fatigue properties. It delivers stable wear resistance and smooth high-speed rotation for general heavy-duty machinery, providing excellent value for mass industrial and commercial applications.
304 Stainless Steel: Food-grade stainless steel with strong oxidation and rust resistance. It maintains precision integrity in humid and open environments, well-suited for food processing equipment, light industrial machinery and daily precision devices.
316 Stainless Steel: Marine-grade corrosion-resistant material with excellent acid, alkali and salt spray resistance. It withstands chemical exposure and coastal high humidity, perfect for sanitary equipment, marine machinery and chemical precision instruments.
420 Stainless Steel: High-toughness martensitic stainless steel combining moderate corrosion resistance and high surface hardness. It offers outstanding wear and impact resistance, ensuring stable dimensional accuracy during long-cycle heavy-load operation.
440 Stainless Steel: Ultra-high hardness stainless steel with superior abrasion resistance and structural stability. It maintains precise operation under extreme wear and corrosive conditions, ideal for high-end industrial and heavy precision machinery.
Core Advantages And Industrial Applications
The 6211 deep groove ball bearing features upgraded heavy-load capacity, high structural rigidity, low noise and reliable long-term high-speed performance. Three sealing types and five material grades fully adapt to economic, rust-proof, wear-resistant and anti-corrosion industrial requirements. It is widely applied in heavy-duty industrial motors, automated transmission systems, large household appliances, precision instruments, food processing machinery, medical devices and outdoor industrial equipment, delivering stable, low-maintenance and high-efficiency precision rotation for modern medium-to-heavy duty mechanical systems.
