S7005 ACE/HCP4BVG275
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 ACE/HCP4BVG275
Basic Information
System of measurement
Metric
Weight
0.068 kg
Tolerance class
P4 (ABEC-7)
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.005mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.006mm to 0
Width
12 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
6.35 mm
Ball quantity
14
Performance
Temperature range
-30° to 110 °C
Radial dynamic load rating
1784 lbf
Radial static load rating
878 lbf
Limiting speed
50 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:
$ 146.78
/ each
In Stock
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S7005 ACE/HCP4BVG275 Bearing Product Overview & Core Advantages
The S7005 ACE/HCP4BVG275 is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional speed, rigidity, and accuracy. As a single-row bearing, it is designed to accommodate high combined loads (radial and axial) simultaneously. Its defining features include a 25° contact angle for optimal axial load capacity, a P4 (ABEC-7) tolerance class for superior running accuracy, and ceramic balls that significantly enhance high-speed performance and service life. This bearing is preloaded and pre-lubricated, making it an ideal, ready-to-install solution for high-reliability systems.
S7005 ACE/HCP4BVG275 Bearing Model Code Explained, Specifications & Naming Convention
The model number S7005 ACE/HCP4BVG275 provides a detailed technical specification. Below is a breakdown of its key suffixes:
- S7005: Basic model number indicating a metric, 25mm bore, 47mm OD bearing.
- AC: Angular Contact design with a 25° contact angle.
- E: Reinforced (Optimized) internal design for higher load capacity.
- HCP4: Indicates a P4 (ABEC-7) tolerance class for high precision.
- B: Denotes a 40° contact angle (Note: This may be a specific manufacturer designation; please confirm with technical datasheets as the provided spec lists 25°).
- VG: Very High Grade lubricant specification.
- 275: Specific lubricant type/code.
S7005 ACE/HCP4BVG275 Bearing Structural Features & Performance Benefits
- High-Speed Performance & Durability: The combination of ceramic balls and a phenolic resin cage is critical for high-speed operation. Ceramic balls are lighter, reducing centrifugal forces, and the phenolic cage offers excellent strength-to-weight ratio and smooth operation at the limiting speed of 50,000 rpm.
- High Rigidity & Load Capacity: The 25° contact angle and optimized internal geometry (E-design) provide high rigidity, enabling the bearing to handle significant combined loads (Radial Dynamic Load: 1784 lbf / Static: 878 lbf). The availability of preload further increases system stiffness.
- Precision & Accuracy: Manufactured to a P4 tolerance class, this bearing ensures minimal runout and vibration, which is essential for applications requiring high rotational accuracy.
- Sealed & Lubricated for Life: As a sealed and pre-lubricated unit, it is protected from contamination and is maintenance-free within its specified temperature range of -30°C to 110°C.
S7005 ACE/HCP4BVG275 Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery where precision and speed are paramount. Key applications include:
- Machine Tool Spindles
- High-Speed Motors and Spindles
- Precision Grinding Equipment
- Aerospace Actuators and Control Systems
- High-Frequency Machining Centers
