S71910 ACD/P4ADGB
Sealed Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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S71910 ACD/P4ADGB Bearing Product Overview & Core Advantages
The S71910 ACD/P4ADGB is a metric double row angular contact ball bearing engineered for exceptional performance in demanding applications. This precision bearing is distinguished by its P4A super-precision tolerance class and universal matchable (SU) design, allowing for flexible mounting arrangements. Its core strength lies in its ability to simultaneously support high combined loads, including significant radial loads and bidirectional axial loads. The combination of a phenolic cage, high-grade grease lubrication, and sealed construction makes it an ideal, compact solution for high-speed, high-rigidity, and high-reliability systems.
S71910 ACD/P4ADGB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7 | Series designation for high-precision angular contact ball bearings. |
| 1910 | Bore diameter code (50 mm) and series size identifier. |
| ACD | Contact angle of 25° and universal matchable (SU) design. |
| P4A | Tolerance class denoting super-precision, with running accuracy better than ABEC 7. |
| DGB | Light preload (Class B) and duplex bearing set configuration. |
S71910 ACD/P4ADGB Bearing Structural Features & Performance Benefits
High Rigidity & Load Capacity: The double row ball complement and 25° contact angle provide superior high rigidity, enabling the bearing to handle substantial combined loads (Radial dynamic: 4680 lbf, Static: 4410 lbf) from multiple directions with minimal deflection.
High-Speed Performance: The lightweight phenolic cage is instrumental in achieving a high limiting speed of 34,000 rpm, reducing centrifugal forces and maintaining stability.
Precision & Longevity: Manufactured to a P4A tolerance class, this bearing ensures minimal runout and vibration for ultra-precise applications. The sealed design and pre-applied grease lubrication offer protection against contamination and provide reliable operation within a temperature range of -30°C to 110°C, contributing to a long, maintenance-free service life.
S71910 ACD/P4ADGB Bearing Typical Application Areas
This bearing's precision, speed capability, and rigidity make it suitable for high-performance machinery, including:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Spindles
- Industrial Pumps and Compressors
- Robotic Arm Joints and Precision Gearboxes
