7032 ACD/P4AQBCC
7000 Series Super Precision Angular Contact Ball Bearings
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7032 ACD/P4AQBCC Bearing Product Overview & Core Advantages
The 7032 ACD/P4AQBCC is a precision quadruplex angular contact ball bearing designed for applications demanding exceptional rigidity and accuracy. This matched set of four bearings in a back-to-back arrangement (QBC) provides superior stability under combined loads, handling significant radial and axial forces simultaneously. Manufactured to P4A tolerance class, it ensures high running accuracy and is preloaded to Moderate / Class C for optimal stiffness and minimal deflection. Its robust construction and phenolic cage make it suitable for high-performance machinery requiring reliable, long-term operation.
7032 ACD/P4AQBCC Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series, defining the standard dimensions: 160mm bore, 240mm outside diameter, 152mm width. |
| ACD | Angular Contact design with a 25° contact angle for optimal axial load capacity. |
| P4A | Indicates a high precision tolerance class, exceeding ABEC 7 standards, for applications requiring extreme running accuracy. |
| QBCC | Specifies a Quadruplex Back-to-Back (QBC) matched set with Moderate (Class C) preload. This configuration maximizes rigidity and moment load capacity. |
7032 ACD/P4AQBCC Bearing Structural Features & Performance Benefits
High Rigidity & Stability: The quadruplex back-to-back arrangement creates a highly rigid bearing system that effectively resists moment loads and shaft deflection, which is critical for maintaining precision in demanding applications.
Superior Load Capacity: With a dynamic load rating of 109,800 lbf and a static load rating of 183,375 lbf, this bearing is engineered to handle heavy combined radial and axial loads.
Optimized for Precision & Speed: The phenolic cage contributes to smooth operation at the limiting speed of 7,500 rpm, offering low friction and good performance in lubricated conditions. The 25° contact angle is optimized for high axial load support.
Precision Engineering: Manufactured from chrome steel and held to P4A tolerances with tight dimensional controls on the bore, outside diameter, and width, this bearing guarantees consistent high-precision performance.
7032 ACD/P4AQBCC Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring utmost rigidity and accuracy.
- Precision Gearboxes: Industrial gearboxes and transmission systems subject to high combined loads.
- Industrial Pumps and Compressors: Applications demanding reliable performance under significant axial and radial forces.
- High-Rigidity Positioning Systems: Rotary tables, indexing heads, and other precision motion control equipment.
