S7012 ACDTP/HCP4B
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7012 ACDTP/HCP4B
Basic Information
System of measurement
Metric
Weight
0.34 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
60 mm
Bore diameter tolerance
-0.007mm to 0
Outside diameter
95 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
19
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
8775 lbf
Radial static load rating
7538 lbf
Limiting speed
15 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:
$ 501.25
/ each
In Stock
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S7012 ACDTP/HCP4B Bearing Product Overview & Core Advantages
The S7012 ACDTP/HCP4B is a precision angular contact ball bearing engineered for high-performance applications. This single-row bearing is distinguished by its P4 (ABEC-7) tolerance class, ensuring exceptional running accuracy. A key feature is its ceramic ball material (Silicon Nitride), which significantly enhances high-speed performance and operational life by reducing centrifugal forces and providing superior resistance to wear and heat. The bearing is preloaded and comes pre-lubricated, making it ready for immediate installation in demanding environments where high rigidity and reliability are paramount.
S7012 ACDTP/HCP4B Bearing Model Code Explained, Specifications & Naming Convention
The model number S7012 ACDTP/HCP4B provides detailed technical specifications through its suffixes:
- S70: Indicates a high-precision bearing series.
- 12: Specifies the bore diameter code (60 mm).
- AC: Angular Contact design, optimized for combined loads.
- DT: Signifies a matched set of two single bearings for duplex mounting.
- P: Denotes a phenolic resin cage, ideal for high-speed operation.
- /HCP4B:
- HC: Indicates the use of Hybrid Ceramic balls.
- P4: Specifies the P4 tolerance class (ABEC-7).
- B: Likely indicates a specific contact angle (25° in this case).
S7012 ACDTP/HCP4B Bearing Structural Features & Performance Benefits
- High Rigidity and Precision: The combination of a 25° contact angle and factory-applied preload ensures maximum system stiffness and minimal axial/radial runout, which is critical for precision spindles.
- Superior High-Speed Capability: The hybrid ceramic balls and lightweight phenolic cage work in tandem to reduce rotational mass and friction, enabling a high limiting speed of 15,000 rpm. This design also minimizes heat generation at high velocities.
- Exceptional Load Capacity: Engineered to handle significant combined radial and axial loads simultaneously, with a dynamic load rating of 8775 lbf and a static load rating of 7538 lbf.
- Enhanced Durability and Longevity: The sealed design protects against contamination, while the inherent properties of ceramic balls provide excellent resistance to wear and corrosion, leading to a longer service life even in challenging conditions.
S7012 ACDTP/HCP4B Bearing Typical Application Areas
This bearing is ideally suited for high-end, precision-driven machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy positioning systems.
- High-Frequency Motors and Spindles: Where minimal vibration and high rotational accuracy are required.
- Aerospace and Defense Systems: Gyroscopes, navigation systems, and other critical components.
- Medical Equipment: Dental handpieces and imaging device rotors.
