7019 ACD/P4AQBCB
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
7019 ACD/P4AQBCB Bearing Product Overview & Core Advantages
The 7019 ACD/P4AQBCB is a precision quadruplex angular contact ball bearing designed for applications demanding exceptional rigidity and load capacity. This P4A tolerance class bearing features a back-to-back (QBC) matched arrangement of four bearings, enabling it to withstand combined radial and axial loads simultaneously. With its light preload (Class B) and phenolic cage, it delivers high running accuracy, excellent speed capability, and stable performance in high-precision machinery.
7019 ACD/P4AQBCB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with 25° contact angle |
| P4A | High precision tolerance class with enhanced running accuracy |
| QBCB | Quadruplex Back-to-Back matched arrangement with Light Preload (Class B) |
7019 ACD/P4AQBCB Bearing Structural Features & Performance Benefits
Exceptional Rigidity: The quadruplex back-to-back arrangement creates an extremely rigid bearing system that minimizes deflection under heavy combined loads, making it ideal for applications requiring high positional accuracy.
Superior Load Capacity: With a radial dynamic load rating of 45,675 lbf and static load rating of 68,625 lbf, this bearing handles significant radial and axial forces while maintaining precision.
High-Speed Performance: The phenolic cage and optimized internal geometry enable stable operation at limiting speeds up to 15,000 rpm, suitable for demanding rotational applications.
Precision Engineering: Manufactured to P4A tolerance standards with tight dimensional controls (bore and OD tolerance: -0.004mm to 0), ensuring consistent performance in precision assemblies.
7019 ACD/P4AQBCB Bearing Typical Application Areas
- Machine Tool Spindles - High-precision machining centers and grinding spindles
- Precision Gearboxes - Industrial transmission systems requiring high rigidity
- Robotic Systems - High-accuracy robotic arms and positioning systems
- Aerospace Components - Critical rotating assemblies in aircraft systems
- Medical Equipment - High-speed medical scanners and precision instruments
