S7013 ACD/P4A
Sealed Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7013 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.43 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
65 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
100 mm
Outside diameter tolerance
-0.008mm to 0
Width
18 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
7988 lbf
Limiting speed
12 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:
$ 473.04
/ each
In Stock
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S7013 ACD/P4A Bearing Product Overview & Core Advantages
The S7013 ACD/P4A is a high-precision, single-row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to a P4 (ABEC-7) tolerance class, it is optimized to handle significant combined loads, accommodating both radial and axial forces in one direction. Its compact design, featuring a 25° contact angle, provides high stiffness and is ideal for high-speed operation, making it a superior choice for precision machinery and high-reliability systems.
S7013 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Model Segment | Technical Meaning |
|---|---|
| S7013 | Standard bearing series designation with a 65 mm bore, 100 mm OD, and 18 mm width. |
| AC | Angular Contact design with a 25° contact angle. |
| D | Indicates a high internal design and preload specification for enhanced rigidity. |
| P4 | Specifies the tolerance class equivalent to ABEC-7, ensuring ultra-precision. |
| A | Denotes a specific contact angle (25°) and internal geometry. |
S7013 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The single-row angular contact design, combined with a phenolic resin cage and P4 precision, delivers exceptional dimensional stability and minimizes runout under high-speed operation.
- Superior Load Capacity: With a dynamic load rating of 8775 lbf and a static load rating of 7988 lbf, this bearing is engineered to handle demanding combined radial and axial loads.
- Optimized High-Speed Performance: The lightweight phenolic cage and precision-ground chrome steel balls reduce centrifugal forces and friction, supporting a high limiting speed of 12,000 rpm.
- Sealed and Lubricated for Life: As a sealed and pre-lubricated unit, it is protected from contamination and is maintenance-free within its specified temperature range of -30°C to 110°C.
S7013 ACD/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Robotic Drives and Actuators
- Medical and Dental Equipment
