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62 Series
Home Deep Groove Ball Bearings 62 Series

6213 Open Deep Groove Ball Bearing | 65×120×23 mm | High-Speed Frictionless Rotation

6213 Open Deep Groove Ball Bearing | 65×120×23 mm | High-Speed Frictionless Rotation

The 6213 is a premium unshielded, single-row deep groove ball bearing designed for internal mechanical systems where lubrication is continuously supplied by an oil bath or circulation system. By removing physical seals and shields, this "Open" configuration offers the absolute minimum starting and running torque, allowing for maximum power efficiency. With a 65mm bore and 120mm outer diameter, it is engineered for high-precision spindles, gearboxes, and industrial motors where thermal management and high-speed capability are non-negotiable.

6213 Deep Groove Ball Bearing 65x120x23 mm | Open Configuration | Optimized for Oil-Bath Systems

Designed for seamless integration into protected housings, the 6213 Open type allows lubricants to move freely through the raceways, ensuring that the balls and cage stay cool even during sustained high-RPM operation. This design facilitates easy inspection and immediate re-lubrication, making it a reliable choice for heavy-duty industrial drivetrains. Its unhindered internal geometry provides exceptional rotational stability and a long operational lifespan in clean, lubricated environments.

 

6213 Open Deep Groove Ball Bearing | 65×120×23 mm | High-Speed Frictionless Rotation

Comprehensive Applications

Ideal for high-speed industrial machinery, enclosed gear systems, and precision power transmission:

Fluid Handling & Industrial Pumps
  • High-Volume Centrifugal Water Pumps
  • Oil-Cooled Air Compressors
  • Chemical Processing Drive Units
  • Submersible Pump Internal Bearings
Manufacturing & Specialized Machinery
  • CNC Machine Tool Spindles (Oil-Lubricated)
  • Paper and Textile Mill Rollers
  • Precision Printing Press Components
  • Mining and Crushing Equipment Internals
Gearboxes & Heavy Transmissions
  • Industrial Speed Reducers
  • Automotive and Truck Gearboxes
  • Planetary Gear Units
  • PTO (Power Take-Off) Gear Systems
Power Generation & Turbines
  • Large Centrifugal Compressors
  • Industrial Turbine Assemblies
  • High-Speed Alternators
  • Internal Generator Support Frames

Key Performance Features

01. High-Purity GCr15 Chrome Steel

Forged from high-grade GCr15 (SAE 52100) steel, this bearing features super-finished raceways that minimize vibration and noise. The high-fatigue life of the material ensures the bearing can handle significant radial loads without structural degradation.

02. Zero-Contact Frictionless Design

The absence of seals eliminates all contact friction, allowing the bearing to operate at its highest theoretical speed limits. This results in cooler running temperatures and significantly lower energy consumption for the drive system.

03. Superior Heat Dissipation

In oil-circulating environments, the open design allows the lubricant to act as a cooling agent, washing away heat directly from the raceways. This prevents thermal expansion and maintains precision tolerances during heavy-duty cycles.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 6200 Series (Medium Series)
Basic Designation 6213
Suffix None (Open Type)
Bore Diameter (d) 65 mm
Outer Diameter (D) 120 mm
Width (B) 23 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class ABEC-1 (P6 and P5 available upon request)
Cage Material Riveted Steel Cage
Dynamic Load Rating (Cʳ) 57.2 kN
Static Load Rating (C₀ʳ) 40.0 kN
Limiting Speed (Grease) 5,600 r/min
Limiting Speed (Oil) 6,700 r/min
Weight (approx.) 0.99 kg

Interchange Part Numbers

Common manufacturer equivalents include:

  • SKF: 6213
  • NSK: 6213
  • FAG: 6213
  • NTN: 6213
  • KOYO: 6213
  • Nachi: 6213

Design & Configuration

The 6213 Open bearing is delivered with a protective coating of light oil and is intended for use in systems where the bearing is enclosed. For applications involving external contamination or moisture, please view our 6213-ZZ (Shielded) or 6213-2RS (Sealed) options. Our engineering team is available to help you specify the correct internal clearance (e.g., C3 or C4) to match your machine's thermal operating range.

"Optimize your high-speed drive systems with the 6213 Open bearing—engineered for maximum lubrication efficiency and frictionless industrial performance."

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