6344 M
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6344 M
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
73000 g
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
220 mm
Bore diameter tolerance
-0.022mm to 0
Outside diameter
460 mm
Outside diameter tolerance
-0.033mm to 0
Width
88 mm
Width tolerance
-0.3mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
92172 lbf
Radial static load rating
116901 lbf
Limiting speed
2.6 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6344 M Bearing Product Overview & Core Advantages
The 6344 M is a metric single row deep groove ball bearing engineered for exceptional performance in demanding industrial applications. This precision bearing is characterized by its high radial load capacity and robust construction, making it an ideal choice for heavy-duty machinery. Manufactured to a P6 tolerance class, it ensures superior running accuracy and operational reliability. Its open design allows for versatile lubrication options, while the standard CN radial internal clearance provides optimal performance under normal operating conditions.
6344 M Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6344 | Basic bearing designation indicating a 220 mm bore, 460 mm OD, and 88 mm width. | Defines the core bearing dimensions and series. |
| M | Machined brass cage, guided by the rolling elements. | Provides high strength, excellent guidance, and suitability for high-vibration applications and high rotational speeds. |
6344 M Bearing Structural Features & Performance Benefits
- High Load Capacity & Rigidity: The single row deep groove construction and robust chrome steel components enable a high radial dynamic load rating of 92,172 lbf and a static load rating of 116,901 lbf, providing dependable performance under significant stress.
- Precision & Speed Performance: Manufactured to P6 tolerance class, this bearing ensures minimal runout and smooth operation. The machined brass cage (M) contributes to stable operation at the limiting speed of 2,600 rpm.
- Material & Durability: Rings and balls made from high-grade chrome steel offer excellent wear resistance and fatigue life. The stainless steel cage provides superior corrosion resistance in the cage, enhancing overall bearing longevity.
- Operational Versatility: The open seal type allows for the application of various lubricants to suit specific operational needs, and the wide operating temperature range of -30°C to 120°C ensures reliability in diverse environments.
6344 M Bearing Typical Application Areas
This bearing is designed for heavy-duty industrial applications where high radial load capacity and precision are paramount. Key sectors include:
- Industrial Gearboxes and Drives
- Large Electric Motors and Generators
- Vibrating Screens and Mining Equipment
- Construction and Agricultural Machinery
- Pump and Compressor Systems
