S7013 ACE/P4AQBCB
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7013 ACE/P4AQBCB
Basic Information
System of measurement
Metric
Weight
1.8 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.004mm to 0
Width
72 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
11408 lbf
Radial static load rating
13162 lbf
Limiting speed
31 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
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
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S7013 ACE/P4AQBCB Bearing Product Overview & Core Advantages
The S7013 ACE/P4AQBCB is a super-precision double row angular contact ball bearing designed for the most demanding applications. Its Quadruplex Back-to-Back (QBC) matched arrangement provides exceptional system rigidity and stability, enabling it to handle combined radial and axial loads simultaneously. Manufactured to the stringent P4A tolerance class, this bearing delivers unparalleled running accuracy and rotational precision, making it ideal for high-speed spindles and other critical machinery where high rigidity and reliable performance are paramount.
S7013 ACE/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7013 | Basic bearing series, indicating a 65 mm bore, 100 mm OD, and 72 mm width. |
| ACE | Designates a 25° contact angle and specific internal design optimizations. |
| P4A | Indicates a super-precision tolerance class exceeding ABEC 7/ISO P4 standards for superior running accuracy. |
| QBC | Signifies the bearing is part of a Quadruplex Back-to-Back matched set of 4 bearings, pre-configured for maximum rigidity. |
| Sealed | The bearing is equipped with integral seals to retain lubricant and exclude contaminants. |
S7013 ACE/P4AQBCB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design and QBC arrangement create an extremely stiff bearing system, capable of supporting high combined loads and moments. With a dynamic load rating of 11408 lbf and static rating of 13162 lbf, it ensures long-term operational stability.
- Precision & High-Speed Performance: The P4A tolerance class guarantees minimal runout and vibration. Combined with the lightweight, high-strength phenolic cage and optimized 25° contact angle, it achieves a high limiting speed of 31,000 rpm.
- Enhanced Service Life: The sealed construction, pre-lubricated with grease, protects the precision-ground chrome steel components from contamination, ensuring consistent performance and reducing maintenance needs across its operating temperature range of -30°C to 110°C.
S7013 ACE/P4AQBCB Bearing Typical Application Areas
This bearing is engineered for high-performance applications requiring supreme accuracy and stiffness, such as:
- High-Speed Machine Tool Spindles (e.g., milling, grinding)
- Precision Grinding Machines
- High-Frequency Machining Centers
- Advanced Robotic Drives
- Aerospace & Defense Positioning Systems
