7014 ACD/P4AQBCB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7014 ACD/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
25 °
Ball & Washer Dimensions
Ball diameter
12.7 mm
Ball quantity
19
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
28575 lbf
Radial static load rating
38925 lbf
Limiting speed
29 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
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7014 ACD/P4AQBCB Bearing Product Overview & Core Advantages
The 7014 ACD/P4AQBCB is a precision quadruplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This metric bearing features a light preload (Class B) and is supplied as a matched set of four bearings in a back-to-back (QBC) arrangement. This configuration is engineered to handle combined loads—significant radial and thrust loads from both directions—simultaneously, providing superior system stiffness and rotational accuracy. Its P4A tolerance class ensures ultra-precise running characteristics, making it ideal for high-performance machinery.
7014 ACD/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7014 | Basic bearing series, indicating a 70mm bore, 110mm OD, and 80mm width. |
| ACD | Angular Contact Design with a 25° contact angle. |
| P4A | Indicates a high-precision tolerance class for both inner and outer rings, exceeding ABEC 7/ISO P4 standards. |
| QBC | Denotes a Quadruplex Back-to-Back matched arrangement. This is a pre-configured set of four bearings. |
| B | Specifies a Light Preload (Class B) for reduced friction and optimal high-speed operation. |
7014 ACD/P4AQBCB Bearing Structural Features & Performance Benefits
- Exceptional Rigidity: The quadruplex back-to-back (QBC) arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and stability under heavy combined loads.
- High Load Capacity: The 25° contact angle and robust construction using chrome steel for rings and balls enable high radial dynamic (28,575 lbf) and static (38,925 lbf) load ratings.
- Optimized High-Speed Performance: The phenolic cage offers low weight and excellent performance at high speeds, contributing to the bearing's limiting speed of 29,000 rpm. The light preload minimizes friction and heat generation.
- Precision & Reliability: Manufactured to P4A tolerance class with tight dimensional control on bore, outer diameter, and width, this bearing guarantees smooth, quiet, and accurate rotation essential for precision applications.
- Pre-lubricated: The bearing comes lubricated from the factory, ready for immediate installation and initial operation within its specified temperature range of -30°C to 110°C.
7014 ACD/P4AQBCB Bearing Typical Application Areas
This precision quadruplex bearing is engineered for high-end applications where maximum rigidity and accuracy are paramount. Key industries and machinery include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Gearboxes and Robotic Drives.
- High-Frequency Motors and Spindles.
- Aerospace Test Rigs and Navigation Systems.
- Medical Imaging Equipment such as CT and MRI scanners.
