6208-ZNR JEM/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 JEM/C3 Bearing Product Overview & Core Advantages
The 6208-ZNR JEM/C3 is a single row deep groove ball bearing engineered for superior performance in demanding applications. Its core advantage lies in its ability to efficiently handle radial loads while offering a high limiting speed. A key feature is the snap ring on the outer ring, which simplifies axial location and mounting within a housing. Manufactured to ABEC 1 | ISO P0 tolerance standards and featuring a C3 radial internal clearance, this bearing is designed for robust operation and reliable service in a wide temperature range.
Model Code Breakdown
- 6208: Standard designation for a single row deep groove ball bearing with a 40mm bore and 80mm outside diameter.
- Z: Signifies that one side of the bearing is equipped with a shield. This helps retain lubrication and protect against large contaminants.
- NR: Indicates that the bearing outer ring has a snap ring groove and is supplied with a snap ring. This feature aids in secure axial positioning.
- JEM: Denotes a specific design or manufacturer's series, often related to the cage design or internal specifications.
- C3: Specifies a greater than normal radial internal clearance. This is beneficial for applications with significant thermal expansion or where interference fits are used.
6208-ZNR JEM/C3 Bearing Structural Features & Performance Benefits
The bearing's performance is derived from its specific construction:
Shielded Design (Z): A single shield protects the internal components, helping to retain lubricant and exclude large particles, contributing to a longer service life.
Snap Ring Groove (NR): The inclusion of a snap ring groove and fitted snap ring on the outer ring provides a simple and effective method for axial location, reducing the complexity and cost of the housing design.
C3 Radial Clearance: The C3 clearance group allows for thermal expansion in the shaft and housing, preventing excessive preload and potential seizure in applications with elevated operating temperatures or tight interference fits.
Chrome Steel Construction: All critical components—rings, balls, and cage—are manufactured from high-grade chrome steel, ensuring high load capacity, durability, and consistent performance under the specified radial dynamic and static load ratings.
6208-ZNR JEM/C3 Bearing Typical Application Areas
The 6208-ZNR JEM/C3 is well-suited for a variety of industrial applications where reliable radial load support and simplified mounting are required. Common uses include:
- Electric Motors
- Gearboxes and Transmissions
- Industrial Fans and Blowers
- Conveyor Systems
- Agricultural Machinery
- Any machinery requiring a bearing with a snap ring for secure housing location.
