7014 CD/P4AQBCB
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7014 CD/P4AQBCB
Basic Information
System of measurement
Metric
Weight
2.38 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
80 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
30375 lbf
Radial static load rating
41175 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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7014 CD/P4AQBCB Bearing Product Overview & Core Advantages
The 7014 CD/P4AQBCB is a precision quadruplex angular contact ball bearing designed for applications requiring exceptional rigidity and accuracy. This matched set features a back-to-back (QBC) arrangement and a P4A tolerance class, making it ideal for handling combined loads with high precision. Its light preload (Class B) ensures smooth operation and minimal deflection under load, while the phenolic cage contributes to its high-speed capabilities. This configuration is engineered for maximum system stiffness and longevity in demanding environments.
7014 CD/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing designation indicating a 70 mm bore, 110 mm OD, and 80 mm width. |
| CD | Specifies a 15° contact angle, optimized for handling combined radial and axial loads. |
| P4A | Indicates a high-precision tolerance class with enhanced running accuracy for critical applications. |
| QBCB | Denotes a Quadruplex Back-to-Back matched set of 4 bearings, pre-configured for high rigidity and moment load capacity. |
7014 CD/P4AQBCB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The quadruplex back-to-back arrangement creates an extremely rigid bearing system capable of withstanding heavy combined loads and significant moment loads. The 15° contact angle provides excellent axial load capacity in both directions.
- Precision Performance: Manufactured to P4A tolerance standards, this bearing ensures minimal runout and vibration, crucial for applications demanding high rotational accuracy.
- High-Speed Capability: The phenolic resin cage offers low weight and excellent performance at high speeds, contributing to the bearing's limiting speed of 22,000 rpm.
- Optimized Preload: The light preload (Class B) reduces deflection and ensures precise shaft positioning without generating excessive heat or friction.
- Durable Construction: Made from chrome steel for both rings and balls, providing high hardness, wear resistance, and long service life.
7014 CD/P4AQBCB Bearing Typical Application Areas
- Machine Tool Spindles for high-precision milling, grinding, and turning centers
- High-Speed Machining Centers requiring extreme rigidity and accuracy
- Precision Gearboxes and transmission systems
- Industrial Robotics and automation equipment
- Aerospace Positioning Systems and flight control mechanisms
- Medical Imaging Equipment such as CT scanners and MRI systems
