6209-Z/C5
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6209-Z/C5 Bearing Product Overview & Core Advantages
The 6209-Z/C5 is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing features a shielded design that provides effective protection against contaminant ingress while maintaining low operating torque. Its key advantages include a high radial dynamic load rating of 7351 lbf and the ability to operate at speeds up to 7700 rpm. The C5 radial internal clearance makes it particularly suitable for applications with thermal expansion considerations, ensuring stable operation across a wide temperature range from -30°C to 120°C.
6209-Z/C5 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Performance Impact |
|---|---|---|
| 6209 | Basic bearing designation: 45mm bore, 85mm OD, 19mm width | Standard dimensions for common industrial applications |
| -Z | Single shielded on one side | Contaminant protection while allowing for re-lubrication from opposite side |
| /C5 | Greater than normal radial internal clearance | Accommodates thermal expansion in high-speed or high-temperature applications |
6209-Z/C5 Bearing Structural Features & Performance Benefits
Optimized Deep Groove Design: The raceway geometry enables the bearing to handle both radial loads and moderate axial loads in both directions, making it versatile for various mounting configurations.
Shielded Protection: The single steel shield (-Z suffix) effectively prevents the entry of solid contaminants while minimizing friction, contributing to the bearing's high limiting speed of 7700 rpm.
Enhanced Thermal Performance: The C5 clearance provides additional internal space to accommodate differential thermal expansion between the inner and outer rings, preventing preload conditions that could lead to premature failure.
Precision Manufacturing: Manufactured to ABEC 1 | ISO P0 tolerance class with chrome steel rings, balls, and cage, ensuring consistent performance and long service life under dynamic load conditions.
6209-Z/C5 Bearing Typical Application Areas
- Electric Motors: Main shaft applications in industrial motors and generators
- Industrial Gearboxes: Power transmission systems requiring reliable bearing performance
- Material Handling Equipment: Conveyor systems, pulley assemblies, and industrial fans
- Agricultural Machinery: Implement drives and power take-off systems
- Industrial Pumps: Centrifugal and rotary pump applications
- General Industrial Machinery: Various rotating equipment where contamination protection and thermal stability are required
