6203-2ZTN9/C3GHG7
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-2ZTN9/C3GHG7
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
65 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
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
C3
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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6203-2ZTN9/C3GHG7 Bearing Product Overview & Core Advantages
The 6203-2ZTN9/C3GHG7 is a single row deep groove ball bearing designed for robust performance in demanding applications. Its primary advantage lies in its ability to efficiently handle radial loads while offering operational reliability. The combination of precision engineering (ABEC 1/ISO P0), shielded design (2Z), and a nylon cage (TN9) makes it a compact and versatile solution for applications requiring consistent performance and high limiting speeds.
Model Code Breakdown
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| 6203 | Standard bearing series with 17mm bore, 40mm OD, 12mm width. | Defines core bearing dimensions for interchangeability. |
| 2Z | Non-contact steel shields on both sides. | Provides effective contamination protection with minimal friction, maintaining high-speed capability. |
| TN9 | Cage made of glass fiber reinforced nylon (Polyamide 66). | Enables quiet operation, low friction, and excellent performance at high rotational speeds. |
| C3 | Greater than normal radial internal clearance. | Accommodates thermal expansion in applications with high operating temperatures or heavy loads. |
6203-2ZTN9/C3GHG7 Bearing Structural Features & Performance Benefits
- Optimized Load Capacity: The deep groove raceway and high-grade chrome steel construction provide a radial dynamic load rating of 2147 lbf and a radial static load rating of 1079 lbf, ensuring durability under significant stress.
- High-Speed Capability: The lightweight TN9 nylon cage minimizes centrifugal forces, contributing to a high limiting speed of 17,000 rpm. The non-contact shields (2Z) further reduce drag and heat generation.
- Precision & Reliability: Manufactured to ABEC 1 / ISO P0 tolerance class, this bearing guarantees consistent running accuracy and smooth operation, which is critical for precision machinery.
- Maintenance-Friendly Design: The integral shields retain factory-fresh grease and protect against contaminants, offering a long service life in many applications without relubrication.
6203-2ZTN9/C3GHG7 Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial and commercial equipment, including:
- Electric Motors and small generators.
- Industrial Gearboxes and transmission systems.
- Pumps and compressors.
- Material Handling equipment such as conveyor rollers.
- Agricultural Machinery and automotive components (e.g., alternators, idler pulleys).
