7014 CDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
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Main Dimensions
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7014 CDTP/HCP4B Bearing Product Overview & Core Advantages
The 7014 CDTP/HCP4B is a high-precision angular contact ball bearing engineered for applications demanding exceptional rotational accuracy and rigidity. This single bearing features a 15° contact angle and is supplied with a preload, making it ideal for setups requiring minimized axial and radial runout. Its construction with ceramic balls and a phenolic cage contributes to superior high-speed performance, lower friction, and extended service life. This bearing is designed to handle combined loads, with a significant capacity for thrust loads in one direction.
Model Code Breakdown
- 7014: Basic designation indicating a metric series angular contact ball bearing with a 70mm bore, 110mm OD, and 20mm width.
- C: Denotes a 15° contact angle, optimized for high-speed operation and high rigidity.
- D: Indicates the bearing is supplied with a preload for enhanced stiffness and precise rotational accuracy.
- T: Signifies the use of a phenolic (synthetic resin) cage, beneficial for high-speed, low-friction applications.
- P: Designates that the bearing is lubricated from the factory.
- HCP4B: This suffix combination indicates the bearing's high-precision tolerance class P4 (ABEC-7) and the use of ceramic (hybrid) balls.
7014 CDTP/HCP4B Bearing Structural Features & Performance Benefits
High Rigidity and Precision: The preloaded design ensures minimal deflection under load, providing exceptional system stiffness and positional accuracy, which is critical for precision machinery.
Superior High-Speed Capability: The combination of a lightweight phenolic cage and low-density, hard ceramic balls reduces centrifugal forces, allowing for a high limiting speed of 15,000 rpm. This also results in lower operating temperatures.
Enhanced Load Capacity: The 15° contact angle is optimized to handle significant combined (radial and axial) loads, with a high dynamic load rating of 11,700 lbf.
Reduced Maintenance and Long Life: Ceramic balls are electrically resistant and less prone to wear and lubrication degradation, contributing to a longer operational lifespan and reduced maintenance intervals.
7014 CDTP/HCP4B Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where speed, precision, and rigidity are paramount. Typical uses include:
- Machine Tool Spindles
- High-Frequency Motors and Spindles
- Precision Grinding Equipment
- Aerospace Actuators and Control Systems
- Medical and Dental Handpieces
