7014 CDGB/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 CDGB/HCP4A
Basic Information
System of measurement
Metric
Weight
0.5 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
70 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
110 mm
Outside diameter tolerance
-0.004mm to 0
Width
20 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
11700 lbf
Radial static load rating
10238 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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7014 CDGB/HCP4A Bearing Product Overview & Core Advantages
The 7014 CDGB/HCP4A is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and performance. Engineered as a universally matchable single bearing (SU designation), it is supplied pre-lubricated and features a light preload (Class B) for immediate, precise operation. Its ceramic ball construction and P4A super-precision tolerance class enable superior high-speed capability, reduced friction, and extended service life, making it ideal for machine tool spindles and other high-rotation accuracy systems.
7014 CDGB/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7014 CDGB/HCP4A is decoded as follows:
- 7014: Basic series number, indicating a 70mm bore and 110mm outside diameter.
- C: Signifies a 15° contact angle, optimized for combined loads.
- D: Indicates the bearing is supplied as a Universal Matchable (SU) single bearing.
- GB: Specifies a Light Preload (Class B) for high rigidity and minimal runout.
- HCP4A: Denotes the P4A tolerance class, representing super-precision running accuracy.
7014 CDGB/HCP4A Bearing Structural Features & Performance Benefits
- Ceramic Ball & Phenolic Cage Construction: The use of ceramic balls (typically silicon nitride) significantly reduces centrifugal forces, lowers operating temperature, and enables higher limiting speeds (22,000 rpm). The lightweight phenolic cage ensures stable operation at high velocities.
- Super-Precision P4A Tolerance: Manufactured to the strictest dimensional and running accuracy standards, this bearing provides exceptional rotational precision, minimal vibration, and superior system performance.
- Optimized for Combined Loads: The 15° contact angle is engineered to efficiently support substantial combined radial and axial loads, offering high rigidity in compact assemblies.
- Universal Matchability & Light Preload: As a universally matchable single bearing, it simplifies installation and ensures optimal performance. The integrated light preload eliminates internal clearance, enhancing system stiffness and positional accuracy from startup.
7014 CDGB/HCP4A Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for applications where speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: High-speed dental handpieces and imaging scanner rotors.
- Aerospace & Defense Systems: Gyroscopes, radar platforms, and navigation instruments.
- High-Frequency Motors and Spindles
