7032 ACDGC/P4A
7000 Series Super Precision Angular Contact Ball Bearings
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7032 ACDGC/P4A Bearing Product Overview & Core Advantages
The 7032 ACDGC/P4A is a single row angular contact ball bearing designed for applications demanding high precision and superior rigidity. Engineered to a P4A tolerance class, this bearing is optimized to handle significant combined loads, primarily thrust loads in one direction, making it an ideal choice for high-speed spindles and precision machinery. Its Universal Matchable (SU) designation allows for flexible mounting in preloaded sets to achieve exceptional system stiffness and rotational accuracy.
7032 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
- 7032: Standard designation denoting a 160mm bore, 240mm OD, and 38mm width.
- AC: Angular Contact design with a 25° contact angle.
- D: High ball diameter and quantity for increased load capacity.
- GC: Specifies a Moderate preload (Class C) for optimal rigidity and speed performance.
- P4A: Indicates a super-precision tolerance class exceeding ABEC 7, ensuring minimal runout and vibration.
7032 ACDGC/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The 25° contact angle and optimized internal geometry, including a large ball diameter (25.4mm) and 22 balls, provide high resistance to deformation under combined radial and axial loads, with a dynamic load rating of 40,950 lbf.
Precision and Speed: The phenolic cage ensures low friction and stable operation at high speeds, contributing to a limiting speed of 6,300 rpm. The stringent P4A tolerance class guarantees exceptional running accuracy.
Universal Matching: As a Universal Matchable (SU) bearing, it can be mounted in sets (typically 3 bearings) to create a preloaded arrangement, significantly enhancing system rigidity and positioning accuracy without selective matching.
7032 ACDGC/P4A Bearing Typical Application Areas
The 7032 ACDGC/P4A is ideally suited for high-performance applications including:
- Machine Tool Spindles (milling, grinding, turning)
- High-Speed Machining Centers
- Precision Gearboxes
- Industrial Pumps and Compressors
- Aerospace Positioning Systems
