7013 ACD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7013 ACD/HCP4A
Basic Information
System of measurement
Metric
Weight
0.36 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
22 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Single
Preload
Available
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
Price:
$ 467.28
/ each
In Stock
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7013 ACD/HCP4A Bearing Product Overview & Core Advantages
The 7013 ACD/HCP4A is a high-precision angular contact ball bearing designed for applications demanding exceptional accuracy and performance. Engineered with a 25° contact angle and P4 (ABEC-7) tolerance class, this bearing delivers superior running accuracy and high rigidity. Its capability to handle combined loads—simultaneously supporting significant radial and axial loads—makes it an ideal solution for high-speed spindles and precision machinery. The combination of a phenolic cage and ceramic balls contributes to its outstanding high-speed performance and reduced operational friction.
7013 ACD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix | Technical Meaning |
|---|---|
| ACD | Angular Contact Design with a 25° contact angle, optimized for combined loads. |
| HC | Hybrid Ceramic, indicating the use of ceramic balls for enhanced speed and durability. |
| P4A | P4 (ABEC-7) Precision Class with specific internal geometry and preload for high rigidity. |
7013 ACD/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Precision: Manufactured to P4 tolerance class with a preload, this bearing provides exceptional shaft positioning accuracy and stiffness, minimizing deflection under load.
- Superior High-Speed Capability: The lightweight phenolic cage and low-density ceramic balls reduce centrifugal forces, enabling a high limiting speed of 22,000 rpm.
- Enhanced Durability & Temperature Resistance: Ceramic ball material offers superior wear resistance and can operate effectively within a temperature range of -30°C to 110°C. The open design is supplied lubricated for immediate use.
- Optimized Load Capacity: With a 25° contact angle, the bearing is engineered to efficiently handle combined radial and axial loads, as reflected in its high dynamic and static load ratings.
7013 ACD/HCP4A Bearing Typical Application Areas
This precision bearing is ideally suited for demanding applications where high speed, accuracy, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles (High-speed machining centers, grinding spindles)
- Precision Robotics (Articulated arms, high-accuracy joints)
- Aerospace & Defense Systems (Gyroscopes, navigation instruments)
- High-Frequency Motors and Spindles
