S71910 ACB/P4ATGA
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
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S71910 ACB/P4ATGA Bearing Product Overview & Core Advantages
The S71910 ACB/P4ATGA is a super-precision angular contact ball bearing engineered for the most demanding applications. Positioned in the P4A tolerance class, it delivers exceptional running accuracy and dimensional stability. Its core advantage lies in its ability to handle combined loads (radial and axial) simultaneously with high rigidity, making it an ideal choice for high-speed spindles and precision machinery requiring uncompromising performance and reliability.
S71910 ACB/P4ATGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S71910 | Series designation for a 50mm bore, 72mm OD super-precision angular contact ball bearing. |
| ACB | Contact angle of 25°, optimized for high axial load capacity and high-speed operation. |
| P4A | Indicates a super-precision tolerance class with enhanced running accuracy and dimensional control beyond ABEC 7. |
| TGA | Specifies the phenolic (resin) cage and the bearing being universally matchable (SU), allowing any bearing in a set to be mounted adjacent to any other. |
S71910 ACB/P4ATGA Bearing Structural Features & Performance Benefits
High Rigidity and Load Capacity: The bearing's design, with a 25° contact angle and precision-ground raceways, provides superior stiffness and is capable of supporting significant combined radial and axial loads.
High-Speed Performance: The lightweight phenolic cage is instrumental in achieving a high limiting speed of 34,000 rpm. This material offers excellent strength-to-weight ratio and operates smoothly with minimal friction.
Precision and Stability: Manufactured to P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for maintaining high positional accuracy in precision equipment.
Universal Matchability (SU): This feature simplifies mounting and logistics, as any bearing from a pre-matched set of three can be installed next to another without pre-selecting a specific order, ensuring optimal preload and performance.
S71910 ACB/P4ATGA Bearing Typical Application Areas
The S71910 ACB/P4ATGA is ideally suited for high-performance applications where speed, precision, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- Medical Equipment: Dental handpieces and high-speed centrifuges.
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units.
