S7005 ACD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.079 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
12 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
2077 lbf
Radial static load rating
1125 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
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
Price:
$ 146.69
/ each
In Stock
- Fast delivery
- Free shipping on orders over $200
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7005 ACD/P4A Bearing Product Overview & Core Advantages
The S7005 ACD/P4A is a precision single-row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Engineered to a P4 (ABEC-7) tolerance class, it provides superior running accuracy and dimensional stability. Its key advantage lies in its ability to support combined loads, efficiently handling both substantial radial loads and axial loads in one direction. The bearing comes preloaded and pre-lubricated, making it an ideal, ready-to-install solution for high-rigidity, high-reliability spindles and precision mechanisms.
S7005 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7005 | Basic bearing series and size designation (25mm bore, 47mm OD, 12mm width). |
| ACD | Contact angle of 25°. Optimized for high axial load capacity and high-speed operation. |
| P4A | Indicates a P4 (ABEC-7) tolerance class and specific internal clearance/geometry for high-precision applications. |
S7005 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance standards with a 25° contact angle, this bearing provides exceptional running accuracy and system stiffness, minimizing deflection under load.
- Superior Load Capacity: The optimized internal geometry and chrome steel construction enable high radial dynamic (2077 lbf) and static (1125 lbf) load ratings, effectively supporting combined loads.
- High-Speed Performance: The lightweight, durable phenolic cage ensures stable operation and contributes to the high limiting speed of 34,000 rpm, reducing friction and heat generation.
- Pre-Lubricated & Sealed: Arrives pre-lubricated for immediate use and features integral seals to protect against contamination, enhancing service life and reliability.
S7005 ACD/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Robotic Drives and Gearboxes
- High-Frequency Motors and Spindles
- Medical and Dental Equipment (High-speed handpieces, scanners)
- Aerospace Actuation Systems and Instrumentation
