6217-2Z/C3JN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Main Dimensions
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Materials
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6217-2Z/C3JN Bearing Product Overview & Core Advantages
The 6217-2Z/C3JN is a single row deep groove ball bearing designed for robust performance in demanding applications. This shielded bearing excels at handling radial loads and offers high operational reliability. Its key advantages include a high limiting speed of 4,300 rpm, a generous C3 radial internal clearance suitable for applications with thermal expansion, and a wide temperature range from -30°C to 120°C. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides a cost-effective solution for general industrial use without compromising on quality.
6217-2Z/C3JN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6217 | Basic designation for a single row deep groove ball bearing with 85mm bore, 150mm OD, and 28mm width. | Standardized dimensions for easy interchangeability. |
| 2Z | Bearing is shielded on both sides. | Provides effective protection against contaminants while allowing high-speed operation. |
| C3 | Radial internal clearance greater than Normal (CN) group. | Accommodates thermal expansion in applications with high operating temperatures or interference fits. |
| JN | Preset rolling element guidance and low torque specification. | Ensures smooth, low-friction rotation, contributing to energy efficiency. |
6217-2Z/C3JN Bearing Structural Features & Performance Benefits
Optimized Deep Groove Raceway: The geometry of the raceways is engineered for optimal radial load capacity, making it highly efficient for supporting shafts and rotating assemblies under significant radial forces.
Dual Shield Protection (2Z): The non-contact steel shields on both sides effectively retain the factory-applied lubrication and exclude larger particulate contaminants. This design is ideal for applications where high limiting speeds are required, as it generates less friction and heat compared to contact seals.
Generous C3 Internal Clearance: This feature is critical for applications prone to thermal expansion, such as electric motors or gearboxes. It prevents preloading of the bearing at operating temperature, which can lead to premature failure, ensuring extended service life.
High-Quality Chrome Steel Construction: All critical components—rings, balls, and cage—are manufactured from chrome steel, providing high hardness, wear resistance, and durability under demanding conditions.
6217-2Z/C3JN Bearing Typical Application Areas
The 6217-2Z/C3JN is a versatile component found in a wide array of industrial machinery. Its combination of high-speed capability, contamination protection, and robust load rating makes it suitable for:
- Electric Motors and Generators
- Industrial Gearboxes and Power Transmission Systems
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Ventilation Fans and Blowers
