7014 CE/HCP4ADGB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7014 CE/HCP4ADGB
Basic Information
System of measurement
Metric
Weight
1.11 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
40 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
8212 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Universal Matchable (SU)
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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7014 CE/HCP4ADGB Bearing Product Overview & Core Advantages
The 7014 CE/HCP4ADGB is a super-precision angular contact ball bearing designed for the most demanding high-speed and high-rigidity applications. As a universal matchable (SU) bearing supplied in a set of two, it is engineered to accommodate combined loads (radial and axial) simultaneously. Its core advantages stem from a P4A tolerance class, a ceramic ball and phenolic cage construction, and a light preload (Class B), making it an ideal solution for spindles requiring exceptional rotational accuracy, minimal heat generation, and extended service life.
Model Code Breakdown
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series and size designation (70mm Bore, 110mm OD, 40mm Width). |
| C | 15° Contact Angle, optimized for high-speed performance. |
| E | Optimized internal design for enhanced performance. |
| HC | Hybrid Ceramic: Signifies the use of Ceramic Balls (Silicon Nitride). |
| P4A | Super-precision Tolerance Class, exceeding ABEC 7/ISO P4 standards. |
| DGB | Universal Matchable (SU): Two bearings are universally matchable and can be arranged in any combination (Back-to-Back, Face-to-Face, or Tandem). |
7014 CE/HCP4ADGB Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls significantly reduces centrifugal forces, lowers operating temperature, and enables higher limiting speeds (22,000 rpm). It also provides superior resistance to wear and electrical arcing.
- Phenolic Resin Cage: The lightweight and robust phenolic cage ensures excellent dimensional stability and low friction at high speeds, contributing to smooth operation and extended bearing life.
- High Rigidity & Load Capacity: The 15° contact angle and universal matchable design allow for configurations that provide high system rigidity and reliable handling of combined loads.
- Super-Precision Performance: Manufactured to P4A tolerance class with a light preload, this bearing guarantees minimal runout and exceptional rotational accuracy for critical applications.
- Pre-Lubricated: Comes lubricated from the factory for immediate installation and initial operation within its specified temperature range of -30°C to 110°C.
7014 CE/HCP4ADGB Bearing Typical Application Areas
This high-performance bearing is specifically designed for advanced machinery requiring the utmost precision and speed.
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling and routing spindles.
- High-Frequency Motors: Spindles for aerospace and semiconductor manufacturing.
- Robotic Drives: High-precision joints and actuators.
