6208-ZNR/C3
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6208-ZNR/C3 Bearing Product Overview & Core Advantages
The 6208-ZNR/C3 is a single row deep groove ball bearing engineered for reliable performance in demanding applications. This metric bearing features a snap ring groove on its outer ring, enabling secure axial positioning within housings without requiring complex machining. Its shielded design provides effective contamination protection while maintaining high-speed capability. With ABEC 1 precision and increased radial internal clearance (C3), it accommodates thermal expansion in applications with elevated operating temperatures or heavy loads, ensuring stable operation and extended service life.
Model Code Breakdown
| Suffix | Technical Meaning | Performance Benefit |
|---|---|---|
| Z | Single Shield on One Side | Protects against contaminants while allowing higher speeds compared to contact seals |
| NR | Snap Ring Groove on Outer Ring | Simplifies housing design and provides secure axial location |
| C3 | Increased Radial Internal Clearance | Accommodates thermal expansion in high-temperature or heavy-load applications |
6208-ZNR/C3 Bearing Structural Features & Performance Benefits
Deep Groove Geometry: The optimized raceway profile enables the bearing to handle both radial loads and moderate axial loads in both directions, making it versatile for various mounting configurations.
Snap Ring Integration: The outer ring features a precision-machined groove that accommodates a snap ring (retaining ring), providing a cost-effective solution for axial location without requiring complex shoulder machining or additional components.
Shield Protection: A single steel shield effectively prevents the ingress of contaminants while minimizing friction, contributing to the bearing's high-speed capability of up to 8,300 rpm.
Enhanced Clearance: The C3 radial clearance provides additional operational clearance to accommodate thermal expansion in applications with elevated temperatures or heavy loads, preventing premature failure due to excessive preload.
Robust Construction: Manufactured from chrome steel for both rings and balls, the bearing delivers consistent performance across the operating temperature range of -30°C to 120°C.
6208-ZNR/C3 Bearing Typical Application Areas
- Electric Motors: Main shaft support in industrial motors and generators
- Gearboxes: Power transmission systems requiring secure axial location
- Material Handling Equipment: Conveyor systems, pulley assemblies, and rollers
- Agricultural Machinery: Implement drives and PTO shafts
- Industrial Pumps: Centrifugal and rotary pump applications
- Automotive Components: Auxiliary drives, tensioners, and idlers
