S7014 CE/P4AQBCA
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7014 CE/P4AQBCA
Basic Information
System of measurement
Metric
Weight
2.55 kg
Tolerance class
P4A
Seal type
Sealed
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
9.525 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
14040 lbf
Radial static load rating
16538 lbf
Limiting speed
22 X 1000 rpm
Lubrication
Grease
Matched arrangement
Quadruplex Back-to-Back (QBC)
Number of bearings in matched set
4
Universal matching bearing
No (Standard)
Preload
Extra light / Class A
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
S7014 CE/P4AQBCA Bearing Product Overview & Core Advantages
The S7014 CE/P4AQBCA is a super-precision angular contact ball bearing configured in a Quadruplex Back-to-Back (QBC) matched set. Engineered for the most demanding applications, this bearing delivers exceptional rotational accuracy and system rigidity. Its primary advantage lies in its ability to handle combined loads (radial and axial) simultaneously while maintaining high-speed performance and thermal stability, making it ideal for ultra-precise, high-reliability machinery.
S7014 CE/P4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7014 | Basic bearing designation (70 Series, 70mm Bore) |
| CE | Bearing internal design with a 15° contact angle and optimized internal geometry. |
| P4A | Indicates a super-precision tolerance class (exceeding ABEC 7/ISO P4), ensuring minimal runout and vibration. |
| QBC | Specifies a Quadruplex Back-to-Back matched arrangement. Four bearings are selectively matched and preloaded to function as a single, highly rigid unit. |
S7014 CE/P4AQBCA Bearing Structural Features & Performance Benefits
- Unmatched Rigidity and Load Capacity: The Quadruplex Back-to-Back (QBC) arrangement provides an extremely high level of system stiffness, effectively resisting complex moment loads and ensuring precise shaft positioning. This configuration significantly enhances the radial and axial load ratings of the assembly.
- Super-Precision Operation: Manufactured to P4A tolerance class with a phenolic cage, this bearing achieves exceptionally low noise and vibration levels, which is critical for applications requiring high surface finishes and positional accuracy.
- Optimized High-Speed Performance: The lightweight phenolic cage, 15° contact angle, and grease lubrication are engineered to work in harmony, enabling stable operation at high rotational speeds up to 22,000 rpm.
- Sealed and Pre-Lubricated: The sealed design with factory-applied grease protects against contamination and provides long-term, maintenance-free operation within the specified temperature range.
S7014 CE/P4AQBCA Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision, speed, and rigidity are paramount. Key applications include:
- High-Speed Machine Tool Spindles (for milling, grinding, and drilling)
- Precision Grinding Spindles
- High-Frequency Motors and Spindles
- Aerospace and Defense Positioning Systems
- Advanced Medical Equipment (e.g., high-speed dental handpieces)
