7013 CD/P4A
7000 Series Super Precision Angular Contact Ball Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
7013 CD/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
15 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
9360 lbf
Radial static load rating
8438 lbf
Limiting speed
22 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:
$ 131.38
/ each
In Stock
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7013 CD/P4A Bearing Product Overview & Core Advantages
The 7013 CD/P4A is a high-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered to P4 (ABEC-7) tolerance class, this bearing is preloaded and optimized to handle combined loads, providing superior axial and radial load capacity in a compact design. Its 15° contact angle and phenolic cage contribute to its high-speed capabilities, making it an ideal solution for high-performance spindles and precision machinery where reliability is critical.
7013 CD/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| CD | Indicates a high-precision duplex bearing with a specific preload and contact angle optimized for high rigidity and precise operation. |
| P4A | Denotes the tolerance class P4 (ABEC-7), ensuring extremely tight dimensional and running accuracy for demanding applications. |
7013 CD/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: The angular contact design with preload ensures minimal deflection under load, providing exceptional system stiffness and positioning accuracy required for precision bearings.
- Superior Load Capacity: Engineered to withstand significant combined radial and axial loads simultaneously, thanks to the optimized 15° contact angle and robust construction.
- High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, enabling a high limiting speed of 22,000 rpm while maintaining stability and low heat generation.
- Optimized for Precision Applications: Manufactured from high-grade chrome steel for both rings and balls, the bearing offers consistent performance and long service life in controlled environments.
7013 CD/P4A Bearing Typical Application Areas
This precision angular contact bearing is ideally suited for:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Grinding Spindles
- High-Frequency Motors
- Medical and Dental Equipment Spindles
- Aerospace Positioning Systems
