6202-ZTN9/C3
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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6202-ZTN9/C3 Bearing Product Overview & Core Advantages
The 6202-ZTN9/C3 is a single row deep groove ball bearing designed for robust performance in demanding applications. This metric bearing excels at handling primarily radial loads and offers high operational reliability. Its key advantages include a C3 radial internal clearance for thermal expansion management in applications with elevated operating temperatures, and a nylon cage (TN9) that contributes to quiet operation and is suitable for high speeds. The shielded design offers fundamental protection against contamination. Manufactured to ABEC 1 | ISO P0 tolerance standards, it provides consistent quality for a wide range of industrial uses.
6202-ZTN9/C3 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Benefit |
|---|---|---|
| 6202 | Standard series designation for a single row deep groove ball bearing with a 15mm bore and 35mm OD. | Defines the core bearing dimensions and type. |
| Z | One side shielded. | Provides basic protection from large particles while allowing for potential re-lubrication from the open side. |
| TN9 | Cage made of glass fiber reinforced polyamide 66 (Nylon). | Enables high-speed performance, reduces friction, and offers good strength-to-weight ratio. |
| C3 | Radial internal clearance greater than Normal (CN) group. | Accommodates thermal expansion in applications with high operating temperatures or where fits result in clearance reduction. |
6202-ZTN9/C3 Bearing Structural Features & Performance Benefits
- Deep Groove Raceway & Single Row Design: The optimized raceway geometry allows the bearing to handle not only radial loads but also moderate axial loads in both directions, making it a versatile component.
- High-Speed Nylon Cage (TN9): The lightweight and robust polyamide cage minimizes centrifugal forces, reduces friction, and allows for a limiting speed of 20,000 rpm, contributing to smoother and quieter operation.
- C3 Internal Clearance: This greater-than-normal clearance is a critical feature for applications prone to thermal expansion, preventing pre-loading and potential seizure, thereby enhancing operational reliability and service life.
- Shielded Configuration: The steel shield on one side offers effective protection against coarse contaminants, extending bearing life in environments where full sealing is not required.
- Chrome Steel Construction: Both rings and balls are made from high-carbon chrome steel, providing high hardness, wear resistance, and a long fatigue life under the specified dynamic and static load ratings.
6202-ZTN9/C3 Bearing Typical Application Areas
The 6202-ZTN9/C3 is a workhorse bearing found in numerous industrial sectors. Its combination of speed capability, load capacity, and C3 clearance makes it suitable for:
- Electric Motors: A common choice for small to medium-sized motor shafts.
- Gearboxes and Transmissions: Used in various speed reduction and power transmission units.
- Industrial Fans and Blowers: Ideal for applications requiring sustained high-speed rotation.
- Material Handling Equipment: Conveyor rollers, pulleys, and other machinery.
- Agricultural Machinery: Implemented in pumps, drives, and other auxiliary equipment.
