6304 DFGA
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6304 DFGA
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
144 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Open
For load direction
Radial
Main Dimensions
Bore diameter
20 mm
Bore diameter tolerance
-0.01mm to 0
Outside diameter
52 mm
Outside diameter tolerance
-0.013mm to 0
Width
15 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
3574 lbf
Radial static load rating
1765 lbf
Limiting speed
14 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
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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6304 DFGA Bearing Product Overview & Core Advantages
The 6304 is a single row deep groove ball bearing designed for exceptional performance in a wide range of industrial applications. Engineered to primarily support radial loads, this open-type bearing offers a versatile and cost-effective solution. Manufactured to ABEC 1 | ISO P0 tolerance standards, it ensures reliable operation and consistent quality. Its compact design, high load capacity, and suitability for high speeds make it an ideal choice for applications demanding precision and durability.
6304 DFGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation |
|---|---|
| 6304 | Standard bearing series designation, indicating a medium-duty, metric deep groove ball bearing. |
| Open | No seals or shields are fitted, allowing for higher speeds and easy re-lubrication but requiring a clean operating environment. |
| ABEC 1 | ISO P0 | Standard tolerance class, providing a good balance of performance and cost for general industrial use. |
| Radial Internal Clearance: CN | Specifies the standard (normal) internal clearance group, suitable for most common operating conditions. |
6304 DFGA Bearing Structural Features & Performance Benefits
- Optimized Raceway Geometry: The deep groove raceways on both inner and outer rings enable efficient handling of radial loads and moderate combined loads.
- High-Grade Material Construction: All components, including rings, balls, and cage, are manufactured from Chrome Steel, ensuring high strength, wear resistance, and long service life.
- High-Speed Capability: The open design and robust construction contribute to a high limiting speed of 14,000 rpm, making it suitable for demanding applications.
- Precision Manufacturing: Adherence to ABEC 1 tolerances guarantees consistent dimensional accuracy and smooth, low-vibration operation.
- Broad Temperature Range: Operates reliably within a temperature range of -30°C to 120°C, accommodating various environmental conditions.
6304 DFGA Bearing Typical Application Areas
This versatile ball bearing is widely used across numerous industries, including:
- Electric Motors and Generators
- Gearboxes and Power Transmission Systems
- Industrial Pumps and Compressors
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Automotive Components (e.g., alternators, idler pulleys)
