7013 CD/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7013 CD/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
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
24 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:
$ 467.1
/ each
In Stock
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7013 CD/HCP4A Bearing Product Overview & Core Advantages
The 7013 CD/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This single-row bearing features a 15° contact angle and is supplied with a preload, delivering superior running accuracy and high rigidity. Its optimized design, incorporating ceramic balls and a phenolic cage, enables outstanding high-speed performance and the ability to handle combined radial and axial loads efficiently. It is an ideal solution for high-reliability, precision machinery.
7013 CD/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
The model number 7013 CD/HCP4A reveals its specific technical configuration:
- 7013: Basic designation indicating a metric, single-row angular contact ball bearing with a 65mm bore, 100mm OD, and 18mm width.
- CD: Signifies a duplex arrangement with a specific preload level (not a universal standard, consult manufacturer for exact preload value).
- HCP4A: A composite suffix.
- HC: Denotes the use of Hybrid Ceramic balls (ceramic balls with steel rings).
- P4: Indicates a P4 (ABEC-7) tolerance class, signifying very high dimensional and running accuracy.
- A: Specifies a 15° contact angle.
7013 CD/HCP4A Bearing Structural Features & Performance Benefits
- Hybrid Ceramic Construction: The combination of chrome steel rings and ceramic balls (Si3N4) reduces centrifugal forces, lowers operating temperature, and significantly increases the limiting speed (24,000 rpm). This construction also provides enhanced durability and longer service life, especially in challenging environments.
- High Rigidity and Running Accuracy: The bearing is supplied with a preload, which eliminates internal clearance. This results in superior shaft positioning accuracy, high system stiffness, and reduced noise and vibration levels.
- Optimized High-Speed Capability: The lightweight phenolic resin cage is designed for high-speed operation, offering excellent strength and guidance with minimal friction. The hybrid design further contributes to its exceptional high-speed performance.
- Precision Ground to P4 Tolerance: Manufactured to P4 (ABEC-7) tolerance class, this bearing ensures precise dimensions and minimal runout, which is critical for applications demanding the highest levels of accuracy.
- High Load Capacity: With a dynamic load rating of 9360 lbf and a static load rating of 8438 lbf, it is capable of handling significant combined loads.
7013 CD/HCP4A Bearing Typical Application Areas
This high-performance precision bearing is ideally suited for:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- High-Frequency Motors and Spindles
- Precision Robotics: Joints and arm assemblies requiring high rigidity and accuracy.
- Aerospace and Defense Systems: Gyroscopes, navigation instruments, and control systems.
- Medical Equipment: Dental handpieces, centrifuges, and imaging devices.
