S71910 ACD/P4ADGC
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
Performance
Materials
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S71910 ACD/P4ADGC Bearing Product Overview & Core Advantages
The S71910 ACD/P4ADGC is a precision angular contact ball bearing designed for high-performance applications. This sealed, universally matchable bearing excels at handling combined loads (radial and axial) simultaneously, thanks to its 25° contact angle. Manufactured to a P4A tolerance class and featuring a phenolic cage, it delivers exceptional high-speed capability and operational stability. Its pre-greased and sealed design ensures long-term reliability and low maintenance, making it an ideal choice for demanding, high-precision systems.
Model Code Breakdown
- S71910: Denotes the bearing series and size (10mm bore x 72mm OD x 24mm width).
- ACD: Signifies a 25° contact angle and a universally matchable (SU) design, allowing for flexible mounting arrangements in pairs.
- P4A: Indicates a high-precision tolerance class with enhanced running accuracy for demanding applications.
- DGC: Specifies the use of a phenolic resin cage, which contributes to lower friction, reduced weight, and superior performance at high speeds.
S71910 ACD/P4ADGC Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row angular contact design and 25° contact angle provide high rigidity and enable the bearing to support significant combined radial and axial loads from both directions.
High-Speed Performance: The lightweight phenolic cage (DGC) minimizes centrifugal forces, while the P4A precision and optimized internal geometry contribute to a high limiting speed of 34,000 rpm.
Sealed & Pre-Lubricated: The integral seals protect against contamination and retain the high-performance grease, offering a wide operating temperature range from -30°C to 110°C and enabling maintenance-free operation.
Precision Engineering: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter, outside diameter, and width, ensuring predictable performance and ease of installation in precision assemblies.
S71910 ACD/P4ADGC Bearing Typical Application Areas
The S71910 ACD/P4ADGC is ideally suited for high-speed, high-precision machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Drives and Actuators
