6318 M
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6318 M Bearing Product Overview & Core Advantages
The 6318 M is a single row deep groove ball bearing engineered for high-performance applications requiring exceptional precision and reliability. Designed to primarily accommodate radial loads, this bearing features a P6 tolerance class for superior running accuracy and dimensional stability. Its robust construction, utilizing chrome steel rings and balls with a stainless steel cage, ensures a long service life under demanding conditions. The open design allows for versatile lubrication options, making it suitable for a wide range of industrial machinery.
6318 M Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Interpretation | Technical Significance |
|---|---|---|
| 6318 | Basic Bearing Number | Defines the standard dimensions: 90mm bore, 190mm outside diameter, 43mm width. |
| M | Machined Brass Cage | Indicates a machined brass cage, offering high strength, excellent guidance, and suitability for high-speed operation and demanding applications. |
6318 M Bearing Structural Features & Performance Benefits
- High Precision & Rigidity: Manufactured to a P6 tolerance class with a CN radial internal clearance, this bearing provides precise shaft guidance, reduced vibration, and enhanced system rigidity.
- Superior Load Capacity: With a high radial dynamic load rating of 33,946 lbf and a static load rating of 24,279 lbf, it reliably handles significant radial forces in heavy-duty applications.
- Optimized High-Speed Performance: The combination of the machined brass cage (M) and the deep groove raceway design enables stable operation at high rotational speeds, with a limiting speed of 7,000 rpm.
- Durability and Versatility: The all-steel construction (chrome steel rings and balls) ensures high durability. The open seal type provides flexibility for various lubrication regimes to optimize performance for specific operating conditions.
6318 M Bearing Typical Application Areas
The 6318 M is ideally suited for applications demanding high precision, speed, and load capacity. Key industries and equipment include:
- Electric Motors and Generators
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Construction and Agricultural Machinery
