7013 CD/P4ADBB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7013 CD/P4ADBB Bearing Product Overview & Core Advantages
The 7013 CD/P4ADBB is a precision duplex angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high rigidity. This back-to-back (DB) matched set is preloaded to Light / Class B standards, ensuring optimal stiffness and minimal axial and radial runout. Its primary advantage lies in its ability to handle combined loads efficiently, making it an ideal choice for high-precision spindles and other critical machinery components where stability and precision are paramount.
7013 CD/P4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7013 | Basic bearing series, defining the standard boundary dimensions (65mm bore, 100mm OD, 36mm width). |
| C | Specifies a 15° contact angle, optimized for handling high axial loads in combination with radial loads. |
| D | Indicates the bearing is part of a duplex (paired) set. |
| P4A | Denotes a very high precision tolerance class, exceeding ABEC 7 standards, for applications requiring extreme running accuracy. |
| DB | Specifies the Back-to-Back mounting arrangement, which provides high moment rigidity and excellent stability under complex loads. |
7013 CD/P4ADBB Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) configuration creates a wide, stable support system that significantly increases resistance to moment loads, ensuring superior high rigidity for precise applications.
Optimized Load Capacity: With a 15° contact angle and a dynamic load rating of 15,210 lbf, this bearing is engineered to sustain substantial combined radial and axial loads simultaneously.
Precision & High-Speed Capability: The P4A tolerance class guarantees minimal vibration and exceptional running accuracy. The lightweight phenolic resin cage contributes to lower inertia, supporting a high limiting speed of 24,000 rpm and stable operation.
Durable Material Construction: Manufactured from high-grade chrome steel for both rings and balls, this bearing offers high fatigue life and durability under demanding operating conditions.
7013 CD/P4ADBB Bearing Typical Application Areas
The 7013 CD/P4ADBB is ideally suited for high-performance machinery where precision and rigidity are non-negotiable. Key application areas include:
- Machine Tool Spindles (e.g., CNC milling, grinding, and turning centers)
- High-Frequency Motors and Precision Spindles
- Robotic Arm Joints and Rotary Tables
- Medical Equipment (e.g., high-speed dental handpieces, imaging scanners)
- Aerospace Actuation Systems and Test & Measurement Equipment
