6307-2Z/W64
6000, 6200 & 6300 Series Metric Standard Ball Bearings
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Part No.
Part No.
6307-2Z/W64
Basic Information
Bearing type
Ball
System of measurement
Metric
Construction
Single Row
Weight
457 g
Tolerance class
ABEC 1 | ISO P0
Seal type
Shielded
For load direction
Radial
Main Dimensions
Bore diameter
35 mm
Bore diameter tolerance
-0.012mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.013mm to 0
Width
21 mm
Width tolerance
-0.120mm to 0
Performance
Temperature range
-30°to 120 °C
Radial dynamic load rating
7509 lbf
Radial static load rating
4339 lbf
Limiting speed
8.5 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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6307-2Z/W64 Bearing Product Overview & Core Advantages
The 6307-2Z/W64 is a single row deep groove ball bearing designed for exceptional reliability in demanding applications. This precision bearing features integral shielded protection and factory-filled solid oil lubrication, making it a robust, maintenance-free solution. Its optimized geometry enables it to handle significant radial loads and moderate axial loads in both directions, offering a compact and efficient design for high-performance machinery requiring long service life and consistent operation.
6307-2Z/W64 Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| 2Z | Non-contact steel shields on both sides | Provides effective protection against contamination while maintaining high-speed capability and low friction. |
| W64 | Lubricated with Solid Oil | Ensures long-term, maintenance-free operation with excellent lubrication retention and resistance to wash-out, ideal for the specified temperature range. |
6307-2Z/W64 Bearing Structural Features & Performance Benefits
- Robust Construction & High Load Capacity: Manufactured from high-grade chrome steel for both rings and balls, this bearing delivers a high radial dynamic load rating of 7509 lbf and a radial static load rating of 4339 lbf, ensuring durability under substantial loads.
- Optimized for Speed & Precision: The deep groove raceway and chrome steel cage contribute to smooth operation and a high limiting speed of 8,500 rpm. Manufactured to ABEC 1 | ISO P0 tolerance class, it guarantees consistent performance and interchangeability.
- Maintenance-Free Longevity: The combination of 2Z shields and W64 Solid Oil creates a sealed-for-life unit. This eliminates the need for re-lubrication, prevents lubricant leakage, and protects against contaminants, significantly extending service intervals.
- Standard Internal Clearance: The CN radial internal clearance is the standard for general applications, providing an optimal balance for fit and thermal expansion under normal operating conditions.
6307-2Z/W64 Bearing Typical Application Areas
This versatile bearing is ideally suited for a wide range of industrial applications where reliability and minimal maintenance are critical. Key sectors include:
- Electric Motors and Generators
- Industrial Gearboxes and Transmissions
- Material Handling Equipment (e.g., conveyor pulleys)
- Agricultural Machinery
- Pumps and Fans
- General machinery requiring a robust, pre-lubricated ball bearing solution.
