6056
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6056
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
26000 g
Tolerance class
P6
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
280 mm
Bore diameter tolerance
-0.025mm to 0
Outside diameter
420 mm
Outside diameter tolerance
-0.033mm to 0
Width
65 mm
Width tolerance
-0.35mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
67892 lbf
Radial static load rating
91048 lbf
Limiting speed
1.9 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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6056 Bearing Product Overview & Core Advantages
The 6056 is a single row deep groove ball bearing engineered for exceptional radial load capacity and precision performance. Manufactured to P6 tolerance class, this bearing delivers high running accuracy, making it ideal for demanding applications requiring reliable operation and dimensional stability. Its open design allows for versatile lubrication options, while the chrome steel construction of both rings and balls ensures superior durability and a long service life, even under substantial radial dynamic loads.
6056 Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 6056 | Basic bearing number, defining the standard bearing dimensions (280mm bore, 420mm OD, 65mm width). |
| (No Seal Suffix) | Indicates an open (unsealed) bearing, allowing for high-speed operation and custom lubrication regimes. |
| P6 | Denotes a tolerance class tighter than standard, providing enhanced running accuracy and reduced vibration. |
| CN | Specifies the standard radial internal clearance for normal operating conditions. |
6056 Bearing Structural Features & Performance Benefits
- High Radial Load Capacity: The single row deep groove geometry is optimized to support high radial dynamic and static loads (67,892 lbf and 91,048 lbf respectively), providing robust performance in heavy-duty applications.
- Precision Engineering: The P6 tolerance class ensures minimal dimensional variation, leading to superior rotational accuracy, reduced noise, and improved system efficiency.
- Optimized for Speed: The open construction and precision grinding contribute to a respectable limiting speed of 1,900 rpm, suitable for a wide range of industrial machinery.
- Material Integrity: Manufactured from high-grade chrome steel, the bearing offers excellent resistance to wear and fatigue, ensuring reliability across its specified temperature range of -30°C to 120°C.
6056 Bearing Typical Application Areas
This bearing is commonly specified in industries and equipment where high radial load capacity and precision are paramount. Key application areas include:
- Industrial Gearboxes and Drives
- Large Electric Motors and Generators
- Material Handling Conveyor Systems
- Pulp and Paper Processing Machinery
- Heavy-Duty Pumps and Compressors
