S7018 ACDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7018 ACDTP/HCP4B
Basic Information
System of measurement
Metric
Weight
1.02 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
90 mm
Bore diameter tolerance
-0.008mm to 0
Outside diameter
140 mm
Outside diameter tolerance
-0.009mm to 0
Width
24 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
15.875 mm
Ball quantity
20
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
16672 lbf
Radial static load rating
16200 lbf
Limiting speed
10 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:
$ 1106.17
/ each
In Stock
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S7018 ACDTP/HCP4B Bearing Product Overview & Core Advantages
The S7018 ACDTP/HCP4B is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. Its design enables it to simultaneously support combined loads (radial and bidirectional axial loads), making it an ideal choice for high-rigidity systems. The combination of a phenolic cage, ceramic balls, and a P4 (ABEC-7) tolerance class ensures superior performance in high-speed and high-precision environments, offering a compact and robust solution.
S7018 ACDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| AC | Angular Contact design with a 25° contact angle. |
| DT | Double Row configuration for increased load capacity and rigidity. |
| P | Preload applied for enhanced stiffness and rotational accuracy. |
| HC | Hybrid Ceramic, indicating ceramic balls for reduced weight, lower friction, and higher speed capability. |
| P4B | Denotes a P4 (ABEC-7) tolerance class, signifying very high running accuracy. |
S7018 ACDTP/HCP4B Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides superior stiffness and enables the bearing to handle significant combined radial and axial loads from both directions.
- Enhanced High-Speed Performance: The lightweight phenolic cage and ceramic balls significantly reduce centrifugal forces, allowing for a high limiting speed of 10,000 rpm. This makes it a true high-speed bearing.
- Precision & Longevity: Manufactured to a P4 tolerance class, it ensures minimal runout and vibration. The preload further enhances system stability and positioning accuracy.
- Sealed & Lubricated for Reliability: As a sealed bearing that is pre-lubricated, it is protected from contamination and is ready for long-term, maintenance-free operation within its specified temperature range.
S7018 ACDTP/HCP4B Bearing Typical Application Areas
This precision bearing is ideally suited for high-performance machinery, including:
- Machine Tool Spindles (High-speed milling, grinding)
- Precision Robotics and Automation Equipment
- High-Frequency Spindles for PCB Drilling
- Advanced Medical and Laboratory Equipment
- High-Performance Pumps and Compressors
