7013 ACD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7013 ACD/P4A
Basic Information
System of measurement
Metric
Weight
0.43 kg
Tolerance class
P4 (ABEC-7)
Seal type
Open
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
19 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:
$ 106.72
/ each
In Stock
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7013 ACD/P4A Bearing Product Overview & Core Advantages
The 7013 ACD/P4A is a single-row angular contact ball bearing engineered for precision applications requiring high rotational accuracy and rigidity. This precision bearing features a 25° contact angle and is supplied with a preload, enabling it to handle significant combined loads (radial and axial) simultaneously. Manufactured to P4 (ABEC-7) tolerance class, it delivers exceptional running accuracy and is ideal for high-speed spindles and other demanding machinery where superior performance and reliability are critical.
7013 ACD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Interpretation | Technical Significance |
|---|---|---|
| 7013 | Basic Series & Size | Denotes a metric series bearing with a 65mm bore, 100mm OD, and 18mm width. |
| AC | Angular Contact | Designed with a specific contact angle to support combined loads. |
| D | High Contact Angle | Indicates a 25° contact angle, optimized for higher axial load capacity. |
| P4A | Tolerance Class & Features | Signifies a P4 (ABEC-7) precision tolerance and that the bearing is supplied with a preload for enhanced rigidity. |
7013 ACD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity and Running Accuracy: The P4 tolerance class and factory-applied preload minimize axial and radial play, resulting in superior system stiffness and precise shaft positioning, which is critical for applications like machine tool spindles.
- Superior Load Capacity: The 25° contact angle design allows this bearing to efficiently support high combined loads, making it suitable for applications with significant radial and axial force components.
- Optimized High-Speed Performance: The lightweight phenolic resin cage ensures excellent dimensional stability and low friction at high speeds, contributing to a high limiting speed of 19,000 rpm. The open design and pre-lubrication facilitate efficient cooling and lubrication.
- Durability and Reliability: Manufactured from high-grade chrome steel for both rings and balls, this bearing offers high fatigue life and wear resistance, ensuring long-term operational reliability.
7013 ACD/P4A Bearing Typical Application Areas
This high-precision angular contact ball bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and rotary actuators requiring high rigidity and accuracy.
- High-Frequency Motors and Spindles: Applications demanding minimal runout and vibration.
- Medical Equipment: High-speed dental handpieces and imaging device rotors.
- Aerospace and Defense Systems: Gyroscopes, radar systems, and other precision instruments.
