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62 Series
Home Deep Groove Ball Bearings 62 Series

6206 Open Type Deep Groove Ball Bearing | Unshielded Metric Bearing | 30×62×16 mm

6206 Open Type Deep Groove Ball Bearing | Unshielded Metric Bearing | 30×62×16 mm

The 6206 is a high-precision open-type ball bearing engineered for advanced mechanical assemblies that utilize oil-bath or oil-mist lubrication systems. By removing integrated seals and shields, this unshielded configuration achieves the absolute minimum rotational resistance and zero contact friction. With its standard 30mm bore and 62mm outer diameter, the 6206 Open Type is a critical component for high-speed gearboxes, internal combustion engine components, and specialized industrial spindles where thermal efficiency is a priority.

6206 Deep Groove Ball Bearing 30x62x16 mm | Performance 62 Series | Unshielded for Fluid Lubrication

Engineered for seamless integration into enclosed housing environments, the 6206 is manufactured from high-purity GCr15 chrome steel. The open architecture provides unrestricted access for lubricants to reach the raceways and rolling elements directly, ensuring rapid heat dissipation and constant oil exchange. This "zero-drag" design allows the bearing to reach significantly higher limiting speeds than its sealed counterparts, making it the preferred choice for high-frequency vibration equipment and high-efficiency power transmission units.

6206 Open Type Deep Groove Ball Bearing | Unshielded Metric Bearing | 30×62×16 mm

Comprehensive Applications

The 6206 Open Bearing is the professional solution for systems requiring continuous fluid lubrication:

Industrial Gearboxes & Transmissions
  • High-speed reduction gears
  • Planetary gear drive internals
  • Heavy-duty automotive transmission shafts
Precision Manufacturing & Spindles
  • High-speed textile spinning frames
  • Automated machine tool drive components
  • Precision woodworking spindle assemblies
Pumps & Fluid Dynamics
  • Submerged centrifugal pump shafts
  • High-pressure hydraulic pump rotors
  • Industrial oil-cooled compressor units
Power Generation & Motors
  • Large-scale alternator internal supports
  • High-efficiency traction motor rotors
  • Specialized oil-cooled electrical drives

Key Performance Features

01. Absolute Minimum Starting Torque

Without the drag of contact seals or the air-resistance of metal shields, the 6206 Open Type offers the lowest possible energy loss during startup and operation. This kinematic efficiency is vital for sensitive measuring instruments and high-speed machinery where every milligram of torque affects overall system performance.

02. Enhanced Thermal Management

The open configuration allows for superior cooling. In oil-circulated systems, the lubricant flows freely across the raceways, carrying away thermal energy far more effectively than in closed bearings. This ensures long-term dimensional stability and prevents premature fatigue in high-RPM duty cycles.

03. Direct Visual Maintenance

The unshielded design allows for immediate visual inspection of the internal raceways and steel balls during routine maintenance. This transparency is highly valued in critical industrial sectors where monitoring the condition of internal lubricants and rolling elements is essential for preventing unscheduled downtime.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 62 Series (Medium Duty)
Basic Designation 6206
Suffix N/A (Open Type)
Bore Diameter (d) 30 mm
Outer Diameter (D) 62 mm
Width (B) 16 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard (P0) / P6 or P5 Available Upon Request
Cage Material Pressed Steel
Dynamic Load Rating (Cʳ) 19.5 kN
Static Load Rating (C₀ʳ) 11.3 kN
Limiting Speed (Grease) 15,000 r/min
Limiting Speed (Oil) --
Weight (approx.) 0.199 kg

Interchange Part Numbers

Compatible with standard 30mm bore unshielded bearing designations:

  • SKF: 6206
  • NSK: 6206
  • FAG6206
  • NTN: 6206
  • KOYO: 6206
  • Nachi: 6206

Design & Configuration

The 6206 Open Bearing is supplied with a light coating of preservative anti-rust oil. It is intended for installation within sealed housings where it will be lubricated by the host machine's oil system or a specific technical grease. For applications involving exposure to external dust or moisture, please refer to our 6206-ZZ or 6206-2RS models for integrated protection.

"Engineered for frictionless high-speed operation, the 6206 Open Type provides the ultimate solution for oil-lubricated mechanical architectures."

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