309MG

200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings

309MG 200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings
309MG 200, 300 & 6400 Series Industrial Single Row Deep Groove Ball Bearings

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Part No.
Part No. 309MG

Basic Information

Bearing type Ball
System of measurement Metric
Construction Single Row
Weight 0.88 kg
Tolerance class ABEC 1 | ISO P0
Seal type Open
For load direction Radial

Main Dimensions

Bore diameter 45 mm
Bore diameter tolerance -0.012mm to 0
Outside diameter 100 mm
Outside diameter tolerance -0.015mm to 0
Width 25 mm
Width tolerance -0.12mm to 0

Performance

Temperature range -30°to 120 °C
Radial dynamic load rating 12364 lbf
Radial static load rating 9892 lbf
Limiting speed 7.5 X 1000 rpm
Lubrication None
Radial internal clearance CN

Materials

Ring material Chrome Steel
Ball material Chrome Steel
Cage material Chrome Steel

Environment & Compliance

REACH Compliant
ROHS Compliant
Technical Drawings No drawings available at the moment, will be launched soon
Price: $ 19.27 / each
In Stock

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309MG Bearing Product Overview & Core Advantages

The 309MG is a single row deep groove ball bearing designed for exceptional performance in demanding industrial applications. Engineered with precision to ABEC 1 (ISO P0) standards, this bearing excels at handling high radial loads while maintaining reliable operation. Its open design and chrome steel construction ensure durability and consistent performance across a wide temperature range, making it a robust and cost-effective solution for general machinery.

309MG Bearing Model Code Explained, Specifications & Naming Convention

Code Segment Technical Meaning
309 Standard bearing series designation, indicating the core dimensions: 45mm bore, 100mm OD, 25mm width.
MG Signifies a snap-type steel cage. This design offers high strength and is suitable for high-speed applications.

309MG Bearing Structural Features & Performance Benefits

  • High Load Capacity & Rigidity: The single row deep groove raceway and robust chrome steel construction provide a high radial dynamic load rating of 12,364 lbf and a radial static load rating of 9,892 lbf, ensuring stable operation under significant stress.
  • Optimized for Speed: The lightweight and durable MG snap-type steel cage allows for a high limiting speed of 7,500 rpm, minimizing centrifugal forces and maintaining bearing integrity.
  • Standard Precision & Clearance: Manufactured to ABEC 1 (ISO P0) tolerance class with standard CN radial internal clearance, guaranteeing consistent performance and easy interchangeability.
  • Versatile Operating Range: Capable of operating in temperatures from -30°C to 120°C, this bearing is suitable for a wide array of environmental conditions.

309MG Bearing Typical Application Areas

  • Electric Motors and Generators
  • Industrial Gearboxes and Transmissions
  • Material Handling Conveyors
  • Agricultural Machinery
  • General Industrial Machinery and Pumps
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