6202-2RSNR/C3 HT51
6200 Series Snap Ring Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
Performance
Materials
Environment & Compliance
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6202-2RSNR/C3 HT51 Bearing Product Overview & Core Advantages
The 6202-2RSNR/C3 HT51 is a single row deep groove ball bearing engineered for high-performance applications requiring reliable operation under radial loads. This metric bearing features a sealed design and a snap ring groove on its outer ring, offering simplified axial location and protection against contaminants. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides consistent precision and is pre-set with a C3 radial internal clearance suitable for applications with thermal expansion or demanding fit conditions. Its robust construction from chrome steel ensures durability and a long service life.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 6202 | Basic bearing series and size designation (15mm bore, 35mm OD). |
| -2RS | Contact seals on both sides, providing excellent protection against contaminant ingress and grease leakage. |
| NR | Snap ring groove on the outer ring, enabling secure and simple axial location within a housing. |
| /C3 | Radial internal clearance greater than normal (C0), ideal for applications with shaft or housing interferences or where operational heat generation is expected. |
| HT51 | High-temperature grease filling, suitable for the specified operating temperature range. |
6202-2RSNR/C3 HT51 Bearing Structural Features & Performance Benefits
Sealed and Protected Design: The double-sided contact seals (2RS) effectively shield the bearing internals from dust, moisture, and other contaminants, while retaining the lubricant. This results in enhanced reliability and reduced maintenance needs.
Simplified Axial Location: The integrated snap ring groove (NR) on the outer ring allows for secure mounting in the housing without the need for complex housing shoulders or end caps, simplifying assembly and reducing component count.
Optimized Internal Clearance: The C3 clearance provides operational flexibility in applications with tight interference fits or where thermal expansion during operation could otherwise lead to bearing preload and premature failure.
Robust Material Construction: All critical components, including rings, balls, and cage, are manufactured from high-carbon chrome steel, offering high load capacity, wear resistance, and dimensional stability.
6202-2RSNR/C3 HT51 Bearing Typical Application Areas
- Electric Motors and small gearboxes
- Industrial Fans and blowers
- Conveyor system idler rollers and pulleys
- Agricultural machinery components
- Automotive accessories (e.g., alternators, water pumps)
- Various machinery requiring a sealed bearing with easy axial location
