S7201 ACD/P4A
Sealed 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
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7201 ACD/P4A Bearing Product Overview & Core Advantages
The S7201 ACD/P4A is a precision angular contact ball bearing designed for applications demanding exceptional accuracy and reliability. Engineered to a P4 (ABEC-7) tolerance class, it delivers superior running precision. Its key advantage lies in its ability to accommodate combined loads, simultaneously supporting significant radial loads and axial loads in one direction. The integrated preload ensures high system rigidity, minimizes deflection, and enhances rotational accuracy. With its compact bearing dimensions (12 mm bore, 32 mm OD, 10 mm width) and sealed design, it is an ideal solution for high-speed, high-precision spindles and machinery.
S7201 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| S | Indicates a super-precision bearing. |
| ACD | Signifies a 25° contact angle and a specific internal design optimized for high rigidity and speed. |
| P4A | Denotes the tolerance class P4 (ABEC-7), ensuring extremely tight dimensional and running accuracy. |
S7201 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The 25° contact angle and applied preload work in concert to provide exceptional stiffness, critical for minimizing shaft displacement under load and maintaining precision in machining operations.
- Superior Load Capacity: Engineered to handle combined radial and axial loads efficiently. The dynamic load rating of 1287 lbf and static load rating of 551 lbf ensure reliable performance under demanding conditions.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the high-quality chrome steel construction and precision grinding contribute to a high limiting speed of 48,000 rpm.
- Sealed and Lubricated for Longevity: The sealed design effectively excludes contaminants. The bearing is pre-lubricated, offering a maintenance-free solution within its specified temperature range of -30°C to 110°C.
S7201 ACD/P4A Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: Servo motors and high-frequency spindles.
- Medical Equipment: Dental handpieces and small surgical tools.
- Robotics: High-accuracy joints and arm linkages.
- Aerospace Instrumentation: Gyroscopes and navigation systems.
