S7005 ACDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
Image may differ from product. See technical specification for details.
Part No.
Part No.
S7005 ACDGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.07 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
25 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
47 mm
Outside diameter tolerance
-0.004mm 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°C to 110 °C
Radial dynamic load rating
2077 lbf
Radial static load rating
1125 lbf
Limiting speed
100.5 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
4
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
No drawings available at the moment, will be launched soon
In Stock
Price available upon request.
Our sales team will respond within 24 hours with a competitive quote tailored to your requirements.
REQUEST A QUOTE
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
S7005 ACDGA/HCP4A Bearing Product Overview & Core Advantages
The S7005 ACDGA/HCP4A is a high-precision double row angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and reliability. This P4A tolerance class bearing features a 25° contact angle and is designed to accommodate combined radial and axial loads simultaneously. Its compact design, incorporating ceramic balls and a phenolic cage, delivers superior high-speed performance with a limiting speed of 100,500 rpm, making it an ideal solution for ultra-precise, high-rigidity spindle systems.
S7005 ACDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Double Row Angular Contact Design (25° contact angle) |
| GA | Extra Light Preload (Class A) |
| HC | Hybrid Ceramic (Silicon Nitride Balls) |
| P4A | High Precision Tolerance Class (exceeds ABEC 7) |
S7005 ACDGA/HCP4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row design provides significantly increased radial and axial stiffness compared to single row bearings, enabling stable support under combined loads.
- Superior High-Speed Performance: The combination of lightweight ceramic balls and a phenolic resin cage reduces centrifugal forces and friction, allowing for the exceptional limiting speed of 100,500 rpm.
- Precision & Accuracy: Manufactured to P4A tolerance class with tight dimensional control on the bore diameter (25 mm), outside diameter (47 mm), and width (12 mm), ensuring minimal runout and vibration.
- Universal Matching & Longevity: Designated as Universal Matchable (SU), these bearings can be mounted in sets (typically 4) to achieve precise preload configurations. The sealed design and grease lubrication contribute to a long, maintenance-free service life within a temperature range of -30°C to 110°C.
S7005 ACDGA/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance machinery, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Instrumentation: High-accuracy measuring devices and scientific equipment.
- High-Frequency Motors: Spindles for PCB drilling and other high-RPM applications.
- Aerospace & Defense Systems: Gyroscopes, navigation systems, and other critical components.
