7032 ACD/P4ADBD
7000 Series Super Precision Angular Contact Ball Bearings
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7032 ACD/P4ADBD Bearing Product Overview & Core Advantages
The 7032 ACD/P4ADBD is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rigidity and accuracy. This matched set features a Back-to-Back (DB) arrangement and a Heavy preload (Class D), enabling it to withstand significant combined loads—simultaneous radial and axial forces—with high stability. Manufactured to a P4A tolerance class, it delivers superior running accuracy, making it ideal for high-precision, high-rigidity systems where minimal deflection is critical.
7032 ACD/P4ADBD Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7032 | Basic bearing series and size designation (160mm bore, 240mm OD). |
| AC | Angular Contact design with a 25° contact angle. |
| D | Duplex bearing set (two bearings supplied as a matched pair). |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards for enhanced running accuracy. |
| DB | Back-to-Back arrangement of the duplex pair, providing high moment rigidity. |
7032 ACD/P4ADBD Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The duplex back-to-back (DB) configuration creates a wide, rigid support system that effectively resists overturning moments and complex combined loads. The Heavy preload (Class D) eliminates internal clearance, ensuring maximum system stiffness and precise shaft positioning under heavy operational stresses.
Precision & High-Speed Capability: Built to P4A tolerance standards, this bearing guarantees minimal runout and vibration. The phenolic cage is lightweight and robust, contributing to smooth operation at high speeds, with a limiting speed of 11,000 rpm. The optimized 25° contact angle provides an excellent balance between radial and axial load capacity.
Durability & Material Quality: Components are manufactured from high-grade chrome steel, offering excellent wear resistance and fatigue life. The bearing is pre-lubricated for immediate operation and is suitable for a temperature range of -30°C to 110°C.
7032 ACD/P4ADBD Bearing Typical Application Areas
The 7032 ACD/P4ADBD is engineered for high-performance machinery where precision, rigidity, and reliability are non-negotiable. Key applications include:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring extreme accuracy and stiffness.
- Precision Gearboxes: In industrial robotics and automation systems to support high-torque, low-backlash operation.
- High-Frequency Motors & Spindles: Where high rotational speeds and dynamic load stability are critical.
- Medical & Aerospace Equipment: In devices demanding the highest levels of precision and reliability.
