7206 ACD/P4AQBTA
7200 & 7300 Series Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
7206 ACD/P4AQBTA
Basic Information
System of measurement
Metric
Weight
0.79 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
64 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
13
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
13905 lbf
Radial static load rating
13725 lbf
Limiting speed
100.5 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Quadruplex Tandem Back-to-Back (QBT)
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
Price available upon request.
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7206 ACD/P4AQBTA Bearing Product Overview & Core Advantages
The 7206 ACD/P4AQBTA is a precision angular contact ball bearing configured as a Quadruplex Tandem Back-to-Back (QBT) matched set. This high-performance arrangement delivers exceptional stiffness and axial load capacity, making it ideal for demanding applications requiring maximum rigidity and precise shaft positioning. Operating within a temperature range of -30°C to 110°C and featuring a P4A super-precision tolerance, this bearing is engineered for superior accuracy and reliability in high-speed, high-load environments.
7206 ACD/P4AQBTA Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | 25° Contact Angle | Optimized for handling significant combined radial and axial loads. |
| P4A | Super Precision Tolerance Class | Ensures extremely tight running accuracy for applications demanding minimal vibration and runout. |
| QBT | Quadruplex Tandem Back-to-Back Arrangement | Provides maximum system rigidity and can withstand high moment loads. |
7206 ACD/P4AQBTA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The QBT matched set of four bearings creates an extremely rigid support system, capable of withstanding heavy combined loads and high moment loads, ensuring precise shaft location and minimal deflection.
- Precision Performance: Manufactured to P4A tolerance class with a 25° contact angle, this bearing guarantees high running accuracy, low noise, and minimal heat generation.
- High-Speed Capability: The phenolic cage offers low weight and excellent performance at high speeds, contributing to a limiting speed of 100,500 rpm.
- Durable Construction: Made from chrome steel for both rings and balls, this bearing ensures high durability and a long operational life under demanding conditions.
7206 ACD/P4AQBTA Bearing Typical Application Areas
This bearing is specifically designed for high-precision, high-stiffness applications, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Gearboxes
- Aerospace Actuation Systems
- High-Frequency Motors
