S7003 ACD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7003 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.038 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
17 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
35 mm
Outside diameter tolerance
-0.006mm to 0
Width
10 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
5.556 mm
Ball quantity
12
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1462 lbf
Radial static load rating
698 lbf
Limiting speed
45 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:
$ 101.8
/ each
In Stock
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S7003 ACD/P4A Bearing Product Overview & Core Advantages
The S7003 ACD/P4A is a precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. Manufactured to P4 (ABEC-7) tolerance class, this bearing is preloaded and sealed, making it ideal for high-rigidity support in precision spindles and other critical machinery. Its compact design, with a 17 mm bore and 35 mm outside diameter, allows for space-saving installations while delivering reliable performance under combined radial and axial loads.
S7003 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Performance Benefit |
|---|---|---|
| ACD | 25° Contact Angle, High Precision | Optimized for handling combined loads and providing high rigidity. |
| P4A | P4 (ABEC-7) Tolerance Class | Ensures ultra-precise running accuracy and minimal vibration for high-speed applications. |
S7003 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Preload: The bearing is supplied with a preload, which eliminates internal clearance. This results in significantly increased stiffness, reduced vibration, and enhanced positional accuracy of the shaft.
- Superior Load Capacity: The 25° contact angle and robust construction enable the S7003 ACD/P4A to efficiently support combined radial and axial loads simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic resin cage minimizes centrifugal forces, reduces friction, and contributes to the high limiting speed of 45,000 rpm. The sealed design helps retain lubrication and exclude contaminants.
- Precision & Longevity: Manufactured from chrome steel and held to P4 tolerances, this bearing ensures consistent performance, low noise, and extended service life in demanding environments.
S7003 ACD/P4A Bearing Typical Application Areas
This precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Drives: High-frequency motors and spindles.
- Medical Equipment: Dental handpieces and small surgical tools.
- Robotics: High-accuracy joints and arm assemblies.
- Aerospace Instrumentation: Gyroscopes and navigation systems.
