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62 Series
Home Deep Groove Ball Bearings 62 Series

6200 Open Deep Groove Ball Bearing for High-Speed Electric Motors | 10×30×9 mm

6200 Open Deep Groove Ball Bearing for High-Speed Electric Motors | 10×30×9 mm

Crafted for operational environments prioritizing minimal friction and high thermal tolerance, the 6200 Open Type is a precision deep groove ball bearing designed for universal shaft support. With a standard 10 mm bore, 30 mm outer diameter, and a 9 mm width, this single-row component is a staple in light-industrial and consumer applications. The open configuration (without shields or seals) allows for maximum speed potential and is intended for assemblies where custom lubrication methods or existing housing seals manage the operating environment.

6200 Deep Groove Ball Bearing 10×30×9 mm | 6200 Series | Open Type

Manufactured to strict ISO dimensional standards, this open bearing utilizes high-grade GCr15 steel and precision-rolled balls to deliver smooth, vibration-free rotation. Without the physical drag of contact seals, this variant is optimized for scenarios requiring the absolute lowest running torque and compatibility with oil lubrication systems. It provides reliable handling of radial loads and moderate axial forces, serving as a fundamental component for engineers who require a "blank slate" for custom lubrication strategies in high-duty-cycle machinery.

6200 Open Deep Groove Ball Bearing for High-Speed Electric Motors | 10×30×9 mm

Comprehensive Applications

Ideal for equipment housings that incorporate their own sealing mechanisms or for high-speed spindles that demand oil mist lubrication:

Industrial & Material Handling
  • Conveyor belt tensioner pulleys (open side)
  • Light-duty gearbox output shafts
  • Agricultural equipment ventilation fans
  • Pump impeller supports (where fluid lubricates)
Electric Motors & Generators
  • Sub-fractional horsepower AC/DC motor armatures
  • Automotive alternator and starter motor assemblies
  • Bench grinder and pedestal fan rotor supports
  • High-rpm spindle motors for textile machinery
3D Printing & Precision Instruments
  • High-speed extruder drive gears
  • Linear actuator lead screw supports
  • Laboratory centrifuge rotors
  • Optical scanning and measuring equipment
Automotive & Auxiliary Systems
  • Idler pulleys for automotive accessory belts
  • Turbocharger actuator linkages
  • Remote control hobby vehicle differentials
  • Small engine starter shafts

Key Performance Features

01. High-Speed Lubrication Versatility

The open architecture offers unparalleled flexibility in lubrication strategy. Whether utilizing high-temperature grease packed during assembly, oil bath systems, or low-viscosity oil mist for ultra-high-speed spindles, the absence of seals ensures the lubricant reaches the rolling elements without restriction, optimizing cooling and film strength.

02. Precision Load Distribution

Manufactured from vacuum-degassed chrome steel (GCr15), the 10x30x9 mm raceways are heat-treated to achieve optimal hardness and wear resistance. This robust metallurgical foundation allows the bearing to withstand continuous dynamic loads while resisting plastic deformation under shock loading in industrial settings.

03. Reduced Operating Temperature

Designed specifically for high-velocity applications, the open configuration eliminates the heat generation caused by lip seal friction. This thermal efficiency allows machinery to sustain higher operational speeds for longer periods, reducing the risk of premature lubricant breakdown and component expansion in tight-tolerance assemblies.

Technical Specifications

Bearing Type Single Row Deep Groove Ball Bearing
ISO Dimension Series 6200 Series
Basic Designation 6200
Suffix Open Type (No Shields / No Seals)
Bore Diameter (d) 10 mm
Outer Diameter (D) 30 mm
Width (B) 9 mm
Material (Races & Balls) Chrome Steel (GCr15 / SAE 52100)
Precision Class Standard / P5 Grade Available
Cage Material Pressed Steel (ribbon type) or Polyamide
Dynamic Load Rating (Cʳ) 5.1 kN
Static Load Rating (C₀ʳ) 2.39 kN
Limiting Speed (Grease) 24,000 r/min
Limiting Speed (Oil) 32,000 r/min
Weight (approx.) 0.032 kg (32 g)

Interchange Part Numbers

Industry standard equivalents for cross-reference:

  • SKF: 6200
  • NSK: 6200
  • FAG: 6200.C3
  • RMB6200
  • NTN: 6200
  • Nachi: 6200
  • NMB: 6200

Design & Configuration

The standard 6200 configuration features a pressed steel cage and precision-ground raceways, designed to accept a variety of aftermarket lubrication methods. Its 10mm bore is an international standard for small motor shafts and light industrial spindles, ensuring drop-in compatibility with existing housings.

For applications requiring increased internal clearance to accommodate thermal expansion (common in electric motors), a 6200 C3 variant is recommended. If corrosion resistance is required due to moisture exposure during washdown, full stainless steel versions (S6200) are available. For equipment where the environment is clean but contamination ingress is still a concern, the double-shielded (6200-ZZ) variant offers a maintenance-reduction alternative while retaining the option for oil lubrication via the annular snap ring grooves.

"For engineering challenges where thermal management and lubrication flexibility are critical, the Welink 6200 Open Bearing provides the raw speed capacity and foundational precision required to power the next generation of compact electric motors and industrial drives."

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