6201 NTN9/C4
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Basic Information
Main Dimensions
Outer Ring Dimensions
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Materials
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6201 NTN9/C4 Bearing Product Overview & Core Advantages
The 6201 NTN9/C4 is a single row deep groove ball bearing designed for exceptional performance in demanding applications. This metric bearing excels at handling primarily radial loads while also accommodating moderate axial loads in both directions. Its open design allows for versatile lubrication options, and the specified C4 radial internal clearance makes it particularly suitable for applications with thermal expansion or where interference fits are used. Manufactured to ABEC 1 | ISO P0 tolerance standards, it offers reliable precision and high operational reliability, making it an excellent choice for general industrial machinery.
6201 NTN9/C4 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6201 | Standard bearing series designation indicating dimensions: 12mm bore, 32mm OD, 10mm width. |
| NTN9 | Specifies a Nylon cage (non-metallic retainer), which contributes to reduced friction, quieter operation, and is suitable for higher speeds. |
| /C4 | Indicates a greater than normal radial internal clearance. This is critical for applications involving high temperatures, shaft expansion, or heavy interference fits. |
6201 NTN9/C4 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The deep groove raceway and single-row ball bearing construction are engineered to efficiently support significant radial loads and moderate axial loads from both directions.
- High-Speed Capability: The lightweight Nylon cage (NTN9) minimizes centrifugal forces, reduces friction, and enables a high limiting speed of 32,000 rpm, making it a capable high-speed bearing.
- Thermal & Fit Versatility: The C4 radial clearance provides extra space between the rolling elements and raceways, preventing binding and premature failure in applications prone to thermal expansion or where tight press-fits are applied.
- Precision & Reliability: Built to ABEC 1 (ISO P0) tolerance class with chrome steel rings and balls, this bearing ensures consistent performance, low noise, and long service life in general precision applications.
6201 NTN9/C4 Bearing Typical Application Areas
The 6201 NTN9/C4 is widely used across various industries due to its robust design and versatile clearance. Key applications include:
- Electric Motors and Small Generators
- Industrial Gearboxes and Power Transmission Systems
- Pumps and Compressors
- Agricultural Machinery and Conveyor Systems
- Ventilation Fans and Material Handling Equipment
