6315-2Z/HC5C3GJN
6000 Series HC5/HC5C3 Hybrid Ceramic Bearings
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6315-2Z/HC5C3GJN Bearing Product Overview & Core Advantages
The 6315-2Z/HC5C3GJN is a single row deep groove ball bearing engineered for exceptional performance in demanding applications. This precision bearing features ceramic silicon nitride (Si3N4) balls and is designed to primarily handle high radial loads. Its key advantages include superior electrical insulation properties, reduced weight, and the ability to operate at high speeds with minimal lubrication, making it ideal for applications requiring high reliability and long service life.
6315-2Z/HC5C3GJN Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6315 | Basic bearing series designation; indicates a medium series deep groove ball bearing with 75mm bore diameter, 160mm outside diameter, and 37mm width. |
| 2Z | Bearing is equipped with shields on both sides, providing effective protection against contamination while allowing high-speed operation. |
| HC5 | Indicates hybrid ceramic construction with Silicon Nitride (Si3N4) balls, offering electrical insulation and reduced weight. |
| C3 | Specifies greater than normal radial internal clearance, suitable for applications with significant thermal expansion or where interference fits are used. |
| GJN | Indicates the bearing is supplied without lubrication, allowing users to apply specialized lubricants as required for their specific application. |
6315-2Z/HC5C3GJN Bearing Structural Features & Performance Benefits
Hybrid Ceramic Design: The combination of chrome steel rings and silicon nitride balls provides excellent electrical insulation properties, reducing the risk of electrical erosion. This construction also results in lower bearing weight and reduced centrifugal forces at high speeds.
Enhanced Load Capacity: With a dynamic radial load rating of 25,403 lbf and static radial load rating of 17,355 lbf, this bearing delivers reliable performance under substantial radial loads.
High-Speed Capability: The limiting speed of 4,300 rpm is supported by the low-friction ceramic balls and optimized steel cage design, making it suitable for high-speed applications.
Contamination Protection: The double-shielded (2Z) design effectively excludes contaminants while maintaining high-speed capability, extending bearing service life in challenging environments.
Wide Temperature Range: Operating temperature range of -30°C to 120°C ensures reliable performance across diverse environmental conditions.
6315-2Z/HC5C3GJN Bearing Typical Application Areas
This hybrid ceramic bearing is particularly suited for applications requiring electrical insulation, high speeds, and reliable performance:
- Electric Motors & Generators: Prevents electrical fluting and bearing currents in VFD applications
- High-Speed Spindles: Machine tool spindles and precision grinding applications
- Medical Equipment: Dental handpieces and surgical tools requiring electrical isolation
- Aerospace Systems: Actuators and control systems where weight reduction is critical
- Cleanroom Applications: Semiconductor manufacturing equipment and precision instruments
- Food Processing Machinery: Where electrical isolation and corrosion resistance are beneficial
