W 6304
W Series Stainless Steel Bearings
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Part No.
Part No.
W 6304
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
0.14 kg
Tolerance class
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
-0.12mm to 0
Performance
Temperature range
-30° to 120 °C
Radial dynamic load rating
3102 lbf
Radial static load rating
1754 lbf
Limiting speed
20 X 1000 rpm
Lubrication
None
Radial internal clearance
CN
Materials
Ring material
Stainless Steel
Ball material
Stainless Steel
Cage material
Stainless Steel
Environment & Compliance
REACH
Compliant
ROHS
Compliant
Technical Drawings
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In Stock
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W 6304 Bearing Product Overview & Core Advantages
The W 6304 is a single row deep groove ball bearing designed for exceptional performance in demanding applications. Constructed entirely from stainless steel, it offers superior corrosion resistance. Its open design facilitates high-speed operation, while its precision P0 tolerance class ensures reliable and accurate rotation. This bearing is engineered to primarily handle radial loads and is characterized by its compact cross-section, making it an ideal choice for applications requiring high reliability and long service life.
W 6304 Bearing Model Code Explained, Specifications & Naming Convention
| Code | Technical Meaning |
|---|---|
| W | Designates a stainless steel construction for the bearing rings and balls. |
| 63 | Indicates the bearing series, defining the cross-sectional dimensions and load capacity characteristics. |
| 04 | Specifies the bore diameter; '04' corresponds to a 20 mm bore. |
| (Open) | No seal or shield suffix, indicating an open bearing designed for high-speed performance and external lubrication systems. |
| (CN Clearance) | Standard radial internal clearance for normal operating conditions. |
W 6304 Bearing Structural Features & Performance Benefits
- High-Speed Capability: The open design and stainless steel cage minimize friction and drag, allowing for a high limiting speed of 20,000 rpm. This makes it suitable for applications requiring rapid rotation.
- Corrosion Resistance: Manufactured entirely from stainless steel, this bearing is highly resistant to rust and corrosion, ensuring reliable performance in harsh environments and extending its operational lifespan.
- Radial Load Capacity: The deep groove raceway and single-row design are optimized to carry significant radial dynamic (3102 lbf) and static loads (1754 lbf), providing robust support for shafts.
- Precision Engineering: Built to P0 tolerance class with controlled bore, outside diameter, and width tolerances, this precision bearing ensures smooth, low-vibration, and accurate operation.
- Wide Temperature Range: The stainless steel construction and absence of standard lubrication allow for operation within a temperature range of -30°C to 120°C.
W 6304 Bearing Typical Application Areas
- Food Processing and Packaging Machinery
- Medical and Laboratory Equipment
- Chemical Processing Pumps and Mixers
- Marine and Washdown Applications
- Precision Instruments and Optical Devices
