7034 CD/P4ADBC
7000 Series Super Precision Angular Contact Ball Bearings
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7034 CD/P4ADBC Bearing Product Overview & Core Advantages
The 7034 CD/P4ADBC is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This matched back-to-back arrangement (DB) provides superior stiffness and stability when subjected to combined radial and axial loads. Manufactured to P4A tolerance class and featuring a moderate preload (Class C), this bearing is engineered for high-performance machinery where precision, reliability, and long service life are critical.
7034 CD/P4ADBC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| CD | Indicates a duplex bearing with a specific internal clearance and preload. |
| P4A | Denotes an ultra-precision tolerance class with enhanced dimensional and running accuracy. |
| DB | Specifies the back-to-back mounting arrangement, which provides high moment stiffness. |
| C | Indicates a moderate preload, balancing rigidity and operational temperature. |
7034 CD/P4ADBC Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) design creates a rigid bearing system capable of withstanding complex combined loads and moments, making it ideal for applications requiring high positional accuracy.
Superior Load Capacity: With a 15° contact angle and optimized internal geometry, this bearing efficiently handles significant radial dynamic load rating of 77,625 lbf and radial static load rating of 110,250 lbf.
Precision Performance: Manufactured to P4A tolerance class with tight dimensional tolerances on bore, outside diameter, and width, ensuring consistent high-precision operation.
High-Speed Capability: The phenolic cage and optimized internal design contribute to stable operation at high rotational speeds, with a limiting speed of 11,000 rpm.
Durable Construction: Made from chrome steel for both rings and balls, providing excellent wear resistance and fatigue life under demanding operating conditions.
7034 CD/P4ADBC Bearing Typical Application Areas
- Machine Tool Spindles - High-precision milling, grinding, and turning centers
- Precision Gearboxes - Industrial transmission systems requiring high rigidity
- High-Speed Machining Centers - Applications demanding exceptional rotational accuracy
- Industrial Pumps & Compressors - Heavy-duty fluid handling equipment
- Robotic Arm Joints - Precision automation and robotics applications
- Aerospace Positioning Systems - Critical motion control applications
