6204-2RS1NRJEM
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6204-2RS1NRJEM Bearing Product Overview & Core Advantages
The 6204-2RS1NR JEM is a single row deep groove ball bearing engineered for reliability in demanding applications. Its core advantages stem from its sealed design (2RS1) and integrated snap ring (NR). This configuration provides robust radial load capacity and is pre-lubricated for long-term, maintenance-free operation. The combination of a sealed, snap-ring groove outer ring makes it an exceptionally versatile and durable solution for compact assemblies requiring simplified axial location.
6204-2RS1NRJEM Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Significance |
|---|---|---|
| 6204 | Basic Bearing Number | Denotes a standard metric, single row deep groove ball bearing with a 20mm bore, 47mm OD, and 14mm width. |
| 2RS1 | Contact Rubber Seals on Both Sides | Provides superior protection against contaminants and retains lubricant effectively, enhancing bearing service life. |
| NR | Snap Ring Groove on Outer Ring | Allows for secure axial location within a housing without the need for complex housing shoulders, simplifying design and assembly. |
| JEM | JIS / Manufacturer's Designation | Indicates compliance with JIS standards or a specific manufacturer's internal specification for performance and quality. |
6204-2RS1NRJEM Bearing Structural Features & Performance Benefits
Optimized Sealing for Harsh Environments: The 2RS1 contact rubber seals are the primary feature, creating an effective barrier against dust, moisture, and other particulate contaminants. This is critical for maintaining performance in industrial and automotive applications, directly contributing to the bearing's extended service life and reduced maintenance requirements.
Simplified Housing Design with Snap Ring: The inclusion of a snap ring groove (NR) on the outer ring is a key structural advantage. It eliminates the need for complex and costly machined housing shoulders, allowing for a more compact and economical housing design while ensuring secure axial positioning.
Robust Load Handling: Manufactured from chrome steel for both rings and balls, this bearing delivers a high radial dynamic load rating of 2878 lbf, making it suitable for applications with significant radial forces.
Standard Precision for General Applications: With an ABEC 1 | ISO P0 tolerance class and standard CN radial internal clearance, it offers consistent and reliable performance for a wide range of general-purpose machinery without the cost of ultra-high precision.
6204-2RS1NRJEM Bearing Typical Application Areas
The 6204-2RS1NR JEM is ideally suited for applications requiring a sealed, easily mounted bearing with good radial load capacity. Common uses include:
- Electric Motors and Gearboxes
- Industrial Fans and Blowers
- Material Handling Equipment (conveyors, pulleys)
- Automotive Components (alternators, idlers, water pumps)
- Agricultural Machinery
