S71913 ACE/P4ADT
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S71913 ACE/P4ADT
Basic Information
System of measurement
Metric
Weight
0.4 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.004mm to 0
Width
26 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
24
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
5738 lbf
Radial static load rating
5220 lbf
Limiting speed
31 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Tandem (DT)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S71913 ACE/P4ADT Bearing Product Overview & Core Advantages
The S71913 ACE/P4ADT is a precision angular contact ball bearing designed for demanding applications requiring exceptional accuracy and reliability. This duplex tandem (DT) arrangement bearing set is preloaded and manufactured to P4A tolerance class, ensuring superior running accuracy and system rigidity. Its primary advantage lies in its ability to handle combined loads efficiently, making it an ideal solution for high-speed spindles and precision machinery where uncompromising performance is critical.
S71913 ACE/P4ADT Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Benefit |
|---|---|---|
| ACE | 25° Contact Angle, High-Grade Grease | Optimized for high axial load capacity and smooth high-speed operation. |
| P4A | High Precision Tolerance Class | Guarantees exceptional dimensional and running accuracy for precision applications. |
| DT | Duplex Tandem Arrangement | Two bearings are mounted in tandem to significantly increase axial load capacity in one direction. |
S71913 ACE/P4ADT Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex tandem arrangement and 25° contact angle create an exceptionally rigid bearing system capable of withstanding heavy combined radial and axial loads.
- Precision High-Speed Performance: Manufactured to P4A tolerance standards with a lightweight phenolic resin cage, this bearing achieves a high limiting speed of 31,000 rpm, ensuring stability and reduced vibration.
- Sealed & Pre-Lubricated: As a sealed bearing pre-filled with high-grade grease, it offers protection from contaminants and is maintenance-free, providing long service life within its specified temperature range.
- Optimized Internal Geometry: The use of 24 precision balls and a carefully calculated contact angle ensures smooth operation and efficient power transmission.
S71913 ACE/P4ADT Bearing Typical Application Areas
The S71913 ACE/P4ADT is engineered for high-performance applications, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Robotics and Automation Equipment
- High-Frequency Spindle Motors
- Medical and Dental Equipment
- Advanced Aerospace Instrumentation
