7026 CD/P4ADGB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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Product Overview and Core Advantages
The 7026 CD/P4ADGB is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Operating under P4A tolerance class, this bearing excels in handling combined loads (radial and axial) simultaneously. Its universal matchable (SU) design allows for flexible mounting arrangements in pairs, providing high system rigidity and operational stability. Pre-loaded with a Light / Class B preload, it is optimized for high-speed performance and precise positioning in demanding industrial environments.
7026 CD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7026 | Basic bearing designation indicating bore diameter (130 mm), outside diameter (200 mm), and width (66 mm) |
| CD | Contact angle of 15° and specific internal design for optimized load distribution |
| P4A | High precision tolerance class with enhanced dimensional and running accuracy |
| DGB | Universal Matchable (SU) bearing arrangement designation for paired mounting |
Structural Features and Performance Benefits
High Rigidity and Load Capacity: The angular contact design with a 15° contact angle enables efficient handling of combined radial and axial loads. With a radial dynamic load rating of 54,450 lbf and static load rating of 69,750 lbf, this bearing provides reliable performance under demanding operating conditions.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional tolerances (bore: -0.004mm to 0, OD: -0.004mm to 0), ensuring exceptional running accuracy and minimal vibration.
High-Speed Capability: Featuring a phenolic cage and optimized internal geometry, the bearing achieves a limiting speed of 11,000 rpm, making it suitable for high-speed applications.
Material Excellence: Constructed from chrome steel for both rings and balls, providing superior wear resistance and durability. The phenolic cage offers excellent strength-to-weight ratio and smooth operation at high speeds.
7026 CD/P4ADGB Bearing Typical Application Areas
- Machine Tool Spindles: High-precision machining centers and grinding machines requiring exceptional accuracy and rigidity
- High-Speed Spindles: CNC machining equipment, routers, and precision grinding applications
- Precision Instrumentation: Measuring equipment, optical systems, and laboratory instruments
- Industrial Pumps and Compressors: High-speed rotary equipment demanding reliable bearing performance
- Robotics and Automation: Precision joints and rotary axes in industrial robots and automated systems
