S7010 CE/HCP4AQBCA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7010 CE/HCP4AQBCA
Basic Information
System of measurement
Metric
Weight
0.93 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
64 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9360 lbf
Radial static load rating
9562 lbf
Limiting speed
46 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
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
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S7010 CE/HCP4AQBCA Bearing Product Overview & Core Advantages
The S7010 CE/HCP4AQBCA is a precision quadruplex matched bearing set designed for ultra-high performance applications. This metric angular contact ball bearing configuration delivers exceptional system rigidity and rotational accuracy. Its core advantages include the ability to handle combined radial and axial loads simultaneously, superior high-speed capability enabled by ceramic balls and a phenolic cage, and long-term reliability due to its sealed and pre-lubricated design. This set is engineered for machine tools and other equipment demanding the highest levels of precision and stiffness.
S7010 CE/HCP4AQBCA Bearing Model Code Explained, Specifications & Naming Convention
The model number S7010 CE/HCP4AQBCA is decoded as follows:
- S7010: Basic bearing series and size designation (50mm bore, 80mm OD).
- C: 15° contact angle, optimized for high-speed operation.
- E: Reinforced structure, typically indicating a high-capacity design.
- HC: Hybrid Ceramic construction, featuring steel rings and ceramic balls for reduced friction and higher speed limits.
- P4A: High-Precision Tolerance Class, exceeding standard ABEC 7/ISO P4, ensuring minimal runout and vibration.
- QBC: Quadruplex Back-to-Back matched arrangement. Four bearings are selectively matched and pre-loaded to function as a single, highly rigid unit.
- A: Extra Light Preload, minimizing friction and heat generation while maintaining precise shaft positioning.
S7010 CE/HCP4AQBCA Bearing Structural Features & Performance Benefits
- Unmatched Rigidity and Load Capacity: The quadruplex back-to-back (QBC) arrangement creates an extremely rigid support system, capable of withstanding heavy combined loads and complex moment loads. This configuration significantly enhances the dynamic stiffness of the entire spindle or shaft assembly.
- Superior High-Speed Performance: The combination of hybrid ceramic balls (lighter than steel, reducing centrifugal force) and a phenolic resin cage allows for a very high limiting speed of 46,000 rpm. This design minimizes friction, heat buildup, and cage inertia.
- Precision and Longevity: Manufactured to a P4A tolerance class, this bearing set guarantees exceptional running accuracy. The sealed design retains the factory-applied high-performance grease, protecting against contamination and providing maintenance-free operation within the specified temperature range.
S7010 CE/HCP4AQBCA Bearing Typical Application Areas
This high-precision, high-speed bearing set is ideally suited for the most demanding applications, including:
- High-Frequency Machine Tool Spindles (e.g., for milling, grinding, and drilling)
- Precision CNC Machining Centers
- High-Speed Robotic Arm Drives
- Advanced Medical and Dental Equipment Spindles
- Aerospace Test and Measurement Equipment
