6304/W64F
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6304/W64F
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
Soild Oil
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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In Stock
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6304/W64F Bearing Product Overview & Core Advantages
The 6304/W64F is a single row deep groove ball bearing designed for superior performance in demanding applications. Engineered to primarily handle radial loads, it features a solid oil lubrication system for long-term, maintenance-free operation. Its ABEC 1 (ISO P0) tolerance class ensures reliable precision, making it an excellent choice for general industrial machinery requiring consistent performance and durability.
6304/W64F Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| W64 | Solid Oil Lubrication | Provides a sealed, long-lasting lubricant supply, eliminating relubrication needs and protecting against contamination. |
| F | Machined Brass Cage | Offers high strength, excellent guidance, and stable performance at moderate to high speeds. |
6304/W64F Bearing Structural Features & Performance Benefits
- Solid Oil Lubrication: The bearing is pre-filled with a polymer matrix saturated with oil. This design provides a continuous, clean lubricant supply, making it ideal for applications where re-lubrication is difficult or where contamination must be minimized.
- Robust Construction: Manufactured from chrome steel for both rings and balls, this bearing delivers high load capacity and long service life under radial dynamic loads up to 3574 lbf.
- Stable Operation: The machined brass cage (F suffix) ensures smooth ball guidance, contributing to low noise and vibration levels, even at the limiting speed of 14,000 rpm.
- Standard Internal Clearance: The CN radial internal clearance is suitable for a wide range of common operating conditions.
6304/W64F Bearing Typical Application Areas
This versatile ball bearing is commonly specified in:
- Electric Motors and Generators
- Industrial Gearboxes
- Material Handling Equipment (e.g., conveyor rollers)
- Agricultural Machinery
- Pumps and Fans
