7206 CD/HCP4ATBTA
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7206 CD/HCP4ATBTA
Basic Information
System of measurement
Metric
Weight
0.51 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
62 mm
Outside diameter tolerance
-0.004mm to 0
Width
48 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
13
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
11858 lbf
Radial static load rating
10688 lbf
Limiting speed
71.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Triplex Back-to-Back (TBT)
Number of bearings in matched set
3
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
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7206 CD/HCP4ATBTA Bearing Product Overview & Core Advantages
The 7206 CD/HCP4ATBTA is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and rigidity. This triplex matched set in a Back-to-Back (TBT) arrangement is designed to handle combined loads (radial and axial) simultaneously while providing maximum system stiffness and rotational accuracy. Its construction with a phenolic cage and ceramic balls enables superior high-speed performance, making it an ideal choice for high-reliability, precision machinery.
7206 CD/HCP4ATBTA Bearing Model Code Explained, Specifications & Naming Convention
The model number 7206 CD/HCP4ATBTA decodes as follows:
- 7206: Basic series designation for a 30mm bore, 62mm OD angular contact ball bearing.
- C: Denotes a 15° contact angle, optimized for high-speed operation.
- D: Indicates the bearing has an enhanced internal design for increased load capacity.
- HC: Signifies the use of Hybrid Ceramic components (ceramic balls with steel rings).
- P4A: Identifies the tolerance class, representing very high precision levels for runout and dimensions.
- TBT: Specifies the bearing is part of a Triplex Back-to-Back matched set of three bearings.
- A: Denotes an Extra Light preload on the matched set.
7206 CD/HCP4ATBTA Bearing Structural Features & Performance Benefits
- Exceptional Rigidity and Stability: The triplex back-to-back arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, ensuring precise alignment and minimal runout under operation.
- Superior High-Speed Capability: The combination of a lightweight phenolic cage and low-density ceramic balls reduces centrifugal forces, lowers operating temperatures, and allows for a very high limiting speed of 71,500 rpm.
- Extended Service Life and Reliability: Hybrid ceramic construction offers increased durability, reduced wear, and improved resistance to electrical arcing compared to all-steel bearings. The P4A precision tolerance guarantees consistent, high-performance operation.
- Optimized Load Capacity: The 15° contact angle and enhanced internal geometry are designed to handle significant radial dynamic load ratings and axial loads simultaneously.
7206 CD/HCP4ATBTA Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Spindles: PCB drilling, semiconductor manufacturing equipment.
- High-Frequency Motors: Spindles for routers and other high-RPM machinery.
- Advanced Robotics: Joints and actuators requiring high rigidity and precision.
