6209-2Z/C4VT127B
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6209-2Z/C4VT127B
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
407 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
45 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
85 mm
Outside diameter tolerance
-0.015mm to 0
Width
19 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7351 lbf
Radial static load rating
4564 lbf
Limiting speed
7.7 X 1000 rpm
Lubrication
None
Radial internal clearance
C4
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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6209-2Z/C4VT127B Bearing Product Overview & Core Advantages
The 6209-2Z/C4VT127B is a single row deep groove ball bearing engineered for exceptional performance in demanding applications. This precision bearing features integral steel shields (2Z) for contamination protection and is manufactured with a C4 radial internal clearance for stable operation under thermal expansion. Its design excels at handling high radial loads and moderate axial loads in both directions, making it a versatile and reliable component. The combination of ABEC 1 precision and optimized internal geometry ensures smooth, quiet running and long service life, ideal for applications requiring high reliability and consistent performance.
6209-2Z/C4VT127B Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning | Advantage |
|---|---|---|
| 6209 | Standard bearing series designation; 45mm bore, 85mm OD, 19mm width. | Standardized dimensions for easy interchangeability and sourcing. |
| -2Z | Bearing with steel shields on both sides. | Provides effective contamination protection, retaining lubricant and excluding debris for enhanced durability. |
| /C4 | Radial internal clearance greater than normal (C4 group). | Accommodates thermal expansion in applications with significant temperature gradients, preventing preload and ensuring stable operation. |
| VT127B | Manufacturer-specific designation for material and process specification. | Ensures consistent quality and material properties (Chrome Steel rings, balls, and cage). |
6209-2Z/C4VT127B Bearing Structural Features & Performance Benefits
- Robust Single-Row Design: The deep groove raceway and high-quality chrome steel construction provide high radial load capacity and moderate axial load capacity, offering versatile performance.
- Optimized Internal Geometry: Precision-ground components and a ABEC 1 (ISO P0) tolerance class contribute to low vibration, low noise, and smooth operation, even at the specified limiting speed of 7,700 rpm.
- Enhanced Contamination Resistance: The non-contact steel shields (2Z) effectively protect the bearing interior from solid contaminants, extending lubricant life and overall bearing longevity. The bearing is supplied without lubrication ("None"), allowing for application-specific grease selection.
- Thermal Stability: The C4 radial clearance is a critical feature for applications prone to significant heat generation, preventing seizure or excessive preload that can occur with standard clearance bearings.
6209-2Z/C4VT127B Bearing Typical Application Areas
This bearing is ideally suited for a wide range of industrial machinery and equipment, including:
- Electric Motors and Generators
- Industrial Gearboxes and Power Transmission Systems
- Material Handling Equipment (conveyors, pulleys)
- Agricultural Machinery
- Pumps and Fans
- General Industrial Machinery requiring reliable, high-speed operation
