7010 CD/P4AQBCC
7000 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7010 CD/P4AQBCC
Basic Information
System of measurement
Metric
Weight
1.02 kg
Tolerance class
P4A
Seal type
Open
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
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
17550 lbf
Radial static load rating
21712 lbf
Limiting speed
41 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
Moderate / Class C
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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7010 CD/P4AQBCC Bearing Product Overview & Core Advantages
The 7010 CD/P4AQBCC is a high-precision quadruplex matched angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This metric system bearing features a back-to-back (QBC) matched arrangement of four bearings, enabling it to withstand combined loads—significant radial and bidirectional axial loads—simultaneously. Pre-loaded to Moderate / Class C standards, it delivers high running accuracy, superior rotational stability, and is optimized for high-speed operation up to 41,000 rpm. Its compact, pre-configured set simplifies installation and ensures reliable performance in high-rigidity, precision systems.
7010 CD/P4AQBCC Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CD | Moderate preload (Class C) | Provides optimal bearing rigidity and minimizes axial/radial runout for precise operation. |
| P4A | High tolerance class (geometric and dimensional accuracy beyond ABEC 7) | Ensures smooth, quiet running and precise positioning, critical for high-performance machinery. |
| QBCC | Quadruplex Back-to-Back (QBC) matched set | Delivers maximum system rigidity and can accommodate complex, heavy combined loads from multiple directions. |
7010 CD/P4AQBCC Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Load Capacity: The quadruplex back-to-back (QBC) arrangement creates a highly rigid bearing system capable of handling high radial dynamic load ratings of 17,550 lbf and radial static load ratings of 21,712 lbf. The 15° contact angle is optimized for supporting significant axial loads in both directions.
- High-Speed Performance: The lightweight phenolic cage reduces centrifugal forces, while the precision-ground chrome steel balls and raceways contribute to low friction and heat generation, enabling a high limiting speed of 41,000 rpm.
- Precision Engineering: Manufactured to a P4A tolerance class with tight bore, outside diameter, and width tolerances, this bearing guarantees minimal runout and vibration for ultra-smooth rotation.
- Optimized for Performance: The set is pre-lubricated and features an open seal type, allowing for customized lubrication regimes to suit specific operational temperature ranges from -30°C to 110°C.
7010 CD/P4AQBCC Bearing Typical Application Areas
This bearing is ideally suited for high-precision, high-rigidity applications, including:
- Machine Tool Spindles: For CNC machining centers, grinders, and lathes requiring high rotational accuracy and stiffness.
- High-Speed Robotic Drives: In robotic arms and precision automation systems where dynamic load capacity and rigidity are critical.
- Precision Gearboxes and Transmission Systems: Especially in applications demanding accurate shaft positioning and the ability to handle complex loads.
- Medical and Laboratory Equipment: In high-speed centrifuges and other precision instruments.
