S7016 ACDGC/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S7016 ACDGC/P4A Bearing Product Overview & Core Advantages
The S7016 ACDGC/P4A is a high-precision, single-row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and rigidity. Its defining characteristic is the 25° contact angle and P4A super-precision tolerance class, enabling it to handle combined radial and axial loads simultaneously with minimal runout. The phenolic cage and pre-greased design contribute to its high-speed capability and reliable performance in universal matchable (SU) sets, making it an ideal, compact solution for ultra-precise spindles and machinery.
S7016 ACDGC/P4A Bearing Model Code Explained, Specifications & Naming Convention
- S7016: Basic series code for a 80mm bore, 125mm OD, 22mm width angular contact bearing.
- AC: Angular Contact design.
- D: High Contact Angle (25°).
- GC: Specific internal clearance and preload designation (Moderate / Class C).
- P4A: Super Precision tolerance class, exceeding ABEC 7 standards.
S7016 ACDGC/P4A Bearing Structural Features & Performance Benefits
High Rigidity and Precision: Manufactured to P4A tolerance standards with a 25° contact angle, this bearing provides superior rotational accuracy and stiffness, essential for minimizing deflection under load.
Optimized Load Capacity: The design is optimized to support significant combined loads (radial and one-direction axial), with a dynamic load rating of 14,040 lbf and a static load rating of 13,162 lbf.
Superior High-Speed Performance: The lightweight phenolic resin cage ensures stability and reduces centrifugal forces, enabling a high limiting speed of 28,000 rpm. The pre-applied grease is suitable for this operational range.
Universal Matching Capability (SU): Bearings are supplied as universal matchable (SU), allowing any number of bearings from a lot to be mounted together without pre-selection, simplifying installation and achieving precise preload in multi-bearing arrangements.
S7016 ACDGC/P4A Bearing Typical Application Areas
The S7016 ACDGC/P4A is ideally suited for high-performance machinery where precision and speed are critical. Key applications include:
- Machine Tool Spindles (High-speed milling, grinding, and turning centers)
- Precision Robotic Drives
- High-Frequency Motors
- Medical and Dental Equipment Spindles
- Aerospace Instrumentation
