7014 CD/PA9ADBD
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
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7014 CD/PA9ADBD Bearing Product Overview & Core Advantages
The 7014 CD/PA9ADBD is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and load capacity. This matched back-to-back arrangement is preloaded to Heavy / Class D specifications, delivering superior stiffness and rotational accuracy. It is engineered to handle combined radial and axial loads simultaneously, making it an ideal solution for high-precision machinery where stability and reliability are paramount. The bearing is pre-lubricated and features an open design, optimized for controlled environments.
7014 CD/PA9ADBD Bearing Model Code Explained, Specifications & Naming Convention
- 7014: Basic bearing series, indicating a 70mm bore and specific cross-section.
- C: Denotes a 15° contact angle, optimized for handling significant axial loads.
- D: Indicates a Heavy / Class D preload, providing maximum rigidity and minimal deflection under load.
- PA9A: Specifies the high-precision tolerance class, ensuring extremely tight dimensional and running accuracy.
- DB: Stands for Duplex Back-to-Back mounting arrangement, which increases moment rigidity and stability.
7014 CD/PA9ADBD Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The duplex back-to-back (DB) configuration and heavy preload create an exceptionally stiff bearing system that resists operational deflection, crucial for maintaining precision under combined loads.
Superior Load Capacity: With a 15° contact angle and robust construction, this bearing is capable of supporting high radial dynamic load ratings (18720 lbf) and axial loads simultaneously.
Precision Performance: The PA9A tolerance class and tight dimensional controls guarantee smooth, precise operation with minimal runout, essential for high-speed spindles and precision equipment.
Optimized Components: The phenolic cage offers low weight and excellent performance at high speeds, contributing to the bearing's limiting speed of 22,000 rpm. The use of high-grade chrome steel for rings and balls ensures durability and long service life.
7014 CD/PA9ADBD Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where precision, rigidity, and reliability are non-negotiable. Key industries and machinery include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and Pumps.
- Industrial Robotics: Arm joints and precision actuators.
- Aerospace & Defense Systems: Gyroscopes, radar equipment, and navigation systems.
