6218-ZJEM
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Performance
Materials
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6218-ZJEM Bearing Product Overview & Core Advantages
The 6218-ZJEM is a single row deep groove ball bearing designed for robust performance in demanding applications. Engineered to primarily handle radial loads, it offers a reliable and cost-effective solution. A key feature is its shielded design on one side, which provides effective protection against contaminant ingress while maintaining high-speed capability. Manufactured to ABEC 1 | ISO P0 tolerance standards, it ensures consistent and precise operation, making it an excellent choice for general industrial machinery requiring dependable performance and long service life.
6218-ZJEM Bearing Model Code Explained, Specifications & Naming Convention
| Prefix/Suffix | Technical Meaning |
|---|---|
| 6218 | Standard designation for a single row deep groove ball bearing with a 90 mm bore and 160 mm outside diameter. |
| -Z | Indicates a shielded (non-contact) seal on one side of the bearing. This protects the internal components from large contaminants. |
| -JEM | Specifies the internal clearance and cage design. In this context, it denotes a CN normal radial internal clearance and a pressed steel cage, optimized for standard operating conditions. |
6218-ZJEM Bearing Structural Features & Performance Benefits
Optimized Load Capacity: The single row deep groove raceway geometry is engineered to support significant radial dynamic load ratings of 21,604 lbf, providing reliable performance under stress.
Shielded Protection: The inclusion of a shield on one side effectively guards against the entry of large particulate contaminants, enhancing bearing life in moderately dirty environments without a significant impact on the limiting speed.
Precision & Consistency: Manufactured to ABEC 1 (ISO P0) tolerance class with a CN radial internal clearance, this bearing delivers predictable and smooth operation, minimizing vibration and noise.
Robust Construction: All core components, including rings, balls, and cage, are made from Chrome Steel, ensuring high strength, durability, and resistance to wear.
6218-ZJEM Bearing Typical Application Areas
The 6218-ZJEM is versatile and well-suited for a wide range of industrial machinery, including:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment such as conveyors
- Agricultural Machinery
- General Industrial Machinery requiring a reliable, shielded ball bearing solution.
