S7013 CE/P4AQBCA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7013 CE/P4AQBCA
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
15 °
Ball & Washer Dimensions
Ball diameter
8.731 mm
Ball quantity
25
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
12150 lbf
Radial static load rating
13950 lbf
Limiting speed
36 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
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S7013 CE/P4AQBCA Bearing Product Overview & Core Advantages
The S7013 CE/P4AQBCA is a precision quadruplex matched bearing set designed for the most demanding applications. This metric angular contact ball bearing configuration features an extra light preload (Class A) and is arranged in a back-to-back quadruplex (QBC) setup, delivering exceptional system rigidity and rotational accuracy. Its primary advantage lies in its ability to handle complex combined loads—significant radial and bidirectional axial loads—simultaneously, making it ideal for high-precision, high-stability machinery requiring maximum stiffness and runout control.
S7013 CE/P4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Implication |
|---|---|---|
| S7013 CE | Precision bearing with 15° contact angle | Optimized for high-speed operation and axial load capacity. |
| P4A | High precision tolerance class (superior to ABEC 7) | Ensures minimal runout, low vibration, and superior rotational accuracy. |
| QBC | Quadruplex Back-to-Back matched arrangement | Provides maximum system rigidity and moment load capacity. |
| Sealed / Grease | Integrated sealing and factory-applied grease lubrication | Offers long-term, maintenance-free operation and contaminant exclusion. |
S7013 CE/P4AQBCA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity & Load Capacity: The quadruplex back-to-back (QBC) arrangement creates an extremely rigid bearing system capable of withstanding heavy combined loads and significant moment loads, which is critical for maintaining precision under operational stress.
- High-Speed Capability: The combination of a 15° contact angle and a lightweight, durable phenolic cage minimizes centrifugal forces and friction, enabling a high limiting speed of 36,000 rpm for demanding high-speed applications.
- Precision Performance: Manufactured to a P4A tolerance class, these bearings guarantee tight dimensional control on bore, outside diameter, and width, resulting in superior running accuracy, reduced vibration, and predictable performance.
- Optimized for Longevity: The sealed design with pre-applied grease lubrication protects against contamination and provides reliable operation across a wide temperature range from -30°C to 110°C, ensuring a long service life with minimal maintenance.
S7013 CE/P4AQBCA Bearing Typical Application Areas
This high-precision, high-rigidity bearing set is engineered for advanced machinery where ultimate accuracy and stability are non-negotiable. Key applications include:
- High-Speed Machine Tool Spindles: For CNC milling, grinding, and turning centers requiring extreme rigidity and runout control.
- Precision Grinding Spindles: Where minimal deflection under load is critical for surface finish and part tolerances.
- High-Frequency Machining Centers: Applications involving high rotational speeds and complex cutting paths.
- Advanced Robotic Drives: Particularly in high-accuracy robotic arms and joints demanding high moment load capacity.
- Specialized Medical Equipment: Including high-speed dental handpieces and precision laboratory instrumentation.
