6203-2Z/C5GJN
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6203-2Z/C5GJN
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
C5
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6203-2Z/C5GJN Bearing Product Overview & Core Advantages
The 6203-2Z/C5GJN is a metric single row deep groove ball bearing designed for robust performance in a wide range of industrial applications. Its core advantages stem from its shielded design and optimized internal geometry, providing reliable operation and protection against contaminant ingress. This bearing is engineered to primarily handle radial loads efficiently while also accommodating moderate axial loads. Manufactured to ABEC 1 | ISO P0 tolerance standards and featuring a C5 radial internal clearance, it offers a dependable balance of precision, durability, and value for general machinery use.
Model Code Breakdown
| Suffix | Technical Meaning |
|---|---|
| 2Z | Indicates the bearing is fitted with shields on both sides. This provides effective protection against solid contaminants while generating less friction than contact seals, making it suitable for higher-speed applications. |
| C5 | Specifies a greater than normal radial internal clearance. This is beneficial for applications involving thermal expansion, such as in electric motors, or where shaft and housing fits result in a reduction of operating clearance. |
| GJN | This suffix typically denotes a specific heat stabilization treatment applied to the bearing rings. This process stabilizes the material, allowing the bearing to operate reliably at sustained temperatures up to the specified maximum of 120°C. |
6203-2Z/C5GJN Bearing Structural Features & Performance Benefits
- Shielded Protection: The non-contact steel shields (2Z) retain lubrication and effectively exclude larger contaminants like dust and debris, enhancing bearing service life in challenging environments without a significant speed penalty.
- Optimized Internal Geometry: The deep groove raceway and high-quality chrome steel construction (rings, balls, and cage) enable smooth operation and efficient handling of radial loads with a dynamic load rating of 2147 lbf and a static load rating of 1079 lbf.
- High-Temperature Capability: The GJN heat stabilization ensures dimensional stability and maintains performance across the specified temperature range of -30°C to 120°C, preventing premature failure due to thermal degradation.
- Versatile Clearance: The C5 radial internal clearance provides operational flexibility for applications where interference fits or thermal gradients are present, preventing excessive preload and ensuring smooth running.
6203-2Z/C5GJN Bearing Typical Application Areas
This versatile bearing is commonly specified in a multitude of industrial and commercial equipment, including:
- Electric Motors and Small Gearboxes
- Industrial Fans and Blowers
- Conveyor Systems and Material Handling Equipment
- Agricultural Machinery and Power Tools
- Various Pumps and Compressors
