6203 TN9
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203 TN9
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
40 mm
Outside diameter tolerance
-0.011mm to 0
Width
12 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
2147 lbf
Radial static load rating
1079 lbf
Limiting speed
17 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Nylon
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6203 TN9 Bearing Product Overview & Core Advantages
The 6203 TN9 is a single row deep groove ball bearing designed for high performance in demanding applications. Engineered to primarily handle radial loads, its optimized internal geometry also accommodates moderate axial loads in both directions. A key feature is its Nylon (TN9) cage, which contributes to lower friction, quieter operation, and suitability for high-speed applications. Manufactured to ABEC 1 | ISO P0 tolerance standards, this bearing offers reliable precision and is an excellent choice for general industrial use where cost-effectiveness and dependable performance are critical.
6203 TN9 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6203 | Standard bearing series designation, indicating a single row deep groove ball bearing with a 17mm bore, 40mm OD, and 12mm width. |
| TN9 | Denotes a cage made of Nylon 6,6, which is lightweight, promotes smooth operation at high speeds, and offers good resistance to wear. |
6203 TN9 Bearing Structural Features & Performance Benefits
- Optimized Internal Design: The deep groove raceway and high-quality chrome steel construction provide a robust solution for handling radial dynamic load ratings up to 2147 lbf and radial static load ratings of 1079 lbf.
- High-Speed Capability: The TN9 cage is a critical component for achieving the limiting speed of 17,000 rpm. Its lightweight nature reduces centrifugal forces, lowers operating temperature, and minimizes vibration.
- Standard Precision & Clearance: Manufactured to ABEC 1 (ISO P0) tolerance class with a standard CN radial internal clearance, ensuring consistent performance and easy interchangeability in a wide range of applications.
- Open Design for Flexibility: The open (unsealed) construction allows for custom lubrication strategies or operation in environments where seals are not required, providing application flexibility.
6203 TN9 Bearing Typical Application Areas
This versatile ball bearing is commonly specified in:
- Electric Motors and Generators
- Industrial Gearboxes
- Pumps and Compressors
- Material Handling Equipment
- Agricultural Machinery
- General Industrial Machinery requiring reliable radial load support
