7010 ACD/P4AQBTA
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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7010 ACD/P4AQBTA Bearing Product Overview & Core Advantages
The 7010 ACD/P4AQBTA is a precision angular contact ball bearing designed for the most demanding applications. Its primary advantage lies in its Quadruplex Tandem Back-to-Back (QBT) matched arrangement, which provides exceptional stiffness and the ability to handle significant combined loads. Manufactured to a P4A tolerance class and featuring an Extra light preload (Class A), this bearing is engineered for high-precision, high-reliability scenarios requiring maximum rigidity and running accuracy.
7010 ACD/P4AQBTA Bearing Model Code Explained, Specifications & Naming Convention
- 7010: Basic designation indicating a 50mm bore and 80mm outside diameter.
- ACD: Signifies Angular Contact design with a 25° contact angle.
- P4A: Denotes the ultra-precision tolerance class, exceeding standard P4 levels for enhanced running accuracy.
- QB: Indicates the bearing is part of a Quadruplex (4 bearings) Back-to-Back matched set.
- T: Specifies the Phenolic (synthetic resin) cage material, ideal for high-speed operation.
- A: Identifies the Extra light preload (Class A) for minimal friction and optimal high-speed performance.
7010 ACD/P4AQBTA Bearing Structural Features & Performance Benefits
The performance of the 7010 ACD/P4AQBTA is driven by its specific construction:
- Unmatched Rigidity & Load Capacity: The Quadruplex Tandem Back-to-Back (QBT) arrangement creates an extremely rigid bearing system, capable of supporting high radial dynamic load ratings (16,672 lbf) and static load ratings (20,925 lbf), making it ideal for resisting complex combined loads.
- High-Speed Capability: The combination of the lightweight Phenolic cage, 25° contact angle, and Extra light preload enables a high limiting speed of 46,000 rpm, ensuring stable operation in demanding high-speed applications.
- Precision Performance: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, this bearing guarantees exceptional running accuracy and minimal vibration.
- Optimized Design: The use of Chrome Steel for rings and balls ensures high durability and wear resistance, contributing to a long service life under rigorous operating conditions.
7010 ACD/P4AQBTA Bearing Typical Application Areas
This high-precision, high-rigidity bearing is specifically designed for advanced machinery, including:
- High-Frequency Machine Tool Spindles
- Precision Grinding Spindles
- High-Speed Robotic Drives
- Advanced Aerospace Systems
- Medical and Dental Drill Handpieces
