6205-ZNRJEM/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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6205-ZNRJEM/C3 Bearing Product Overview & Core Advantages
The 6205-ZNRJEM/C3 is a single row deep groove ball bearing engineered for high-performance industrial applications. This precision bearing is distinguished by its shielded design and a snap ring fitted on the outer ring, facilitating secure axial location within a housing. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers reliable operation and consistent performance. A key feature is its C3 radial internal clearance, making it suitable for applications with thermal expansion or where interference fits are used. Its robust construction from chrome steel ensures durability and a long service life under demanding conditions.
Model Code Breakdown
| Code Segment | Technical Meaning | Significance & Advantage |
|---|---|---|
| 6205 | Basic Bearing Series & Size | Denotes a standard single row deep groove ball bearing with a 25mm bore, 52mm OD, and 15mm width. |
| ZNR | Snap Ring & Shield Combination | 'Z' indicates a shielded design on one side for contaminant protection. 'NR' signifies a snap ring (retaining ring) groove on the outer ring, simplifying axial location and housing design. |
| JEM | JEM Code (Steel Cage) | Indicates the use of a pressed steel cage, a standard and robust design for this bearing type. |
| /C3 | Radial Internal Clearance | Specifies a greater than normal (C3) radial internal clearance. This is critical for applications prone to thermal expansion or where tight fits are used, preventing premature failure due to excessive preload. |
6205-ZNRJEM/C3 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured entirely from chrome steel, this bearing delivers high strength and wear resistance. It supports a radial dynamic load rating of 3147 lbf and a static load rating of 1765 lbf, making it suitable for substantial radial loads.
- Enhanced Contamination Protection: The integral shield (Z) effectively protects the rolling elements from large particulate contaminants, enhancing reliability and extending service life in challenging environments.
- Simplified Installation & Axial Location: The outer ring snap ring (NR) allows for secure axial positioning within a housing without the need for complex shoulder machining, reducing assembly time and cost.
- Optimized for Thermal & Fit Conditions: The C3 radial clearance is a performance-defining feature. It accommodates dimensional changes from thermal expansion and interference fits, ensuring smooth, low-friction operation and preventing seizure.
- Wide Operating Temperature Range: With a specified range of -30°C to 120°C, this bearing is versatile for various industrial climates and applications.
6205-ZNRJEM/C3 Bearing Typical Application Areas
The 6205-ZNRJEM/C3 is ideally suited for a wide range of machinery and equipment where reliable radial load support, simplified mounting, and protection against moderate contamination are required. Key sectors include:
- Electric Motors & Gearboxes: Commonly used for shaft support in industrial motors and reduction gearboxes.
- Material Handling Equipment: Conveyor rollers, pulley systems, and other machinery requiring robust and easily mounted bearings.
- Agricultural Machinery: Implements and equipment where contamination protection and secure location are beneficial.
- Industrial Fans & Blowers: Provides reliable performance in ventilation and air movement systems.
- General Industrial Machinery: A versatile choice for pumps, compressors, and other mechanical systems with standard load and speed requirements.
