S7010 ACDGA/HCP4A
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
S7010 ACDGA/HCP4A
Basic Information
System of measurement
Metric
Weight
0.22 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
50 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
80 mm
Outside diameter tolerance
-0.004mm to 0
Width
16 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6322 lbf
Radial static load rating
5220 lbf
Limiting speed
41 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
3
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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S7010 ACDGA/HCP4A Bearing Product Overview & Core Advantages
The S7010 ACDGA/HCP4A is a high-precision angular contact ball bearing engineered for demanding applications requiring exceptional accuracy and performance. This sealed bearing features a single, universal-matchable design with an extra light preload (Class A), making it ideal for high-speed spindles and precision machinery. Its construction with ceramic balls and a phenolic cage enables superior high-speed performance and thermal stability, while the sealed design with grease lubrication ensures long-term, maintenance-free operation within a wide temperature range.
S7010 ACDGA/HCP4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| ACD | Angular Contact Design, 25° contact angle | Optimized for handling combined radial and axial loads. |
| GA | Extra Light Preload (Class A) | Minimizes deflection for superior running accuracy and high-speed capability. |
| HCP4A | High-Precision Tolerance Class P4A | Guarantees extremely tight dimensional and running accuracy for precision applications. |
S7010 ACDGA/HCP4A Bearing Structural Features & Performance Benefits
- High-Speed & Rigidity: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage significantly increases the limiting speed (41,000 rpm) while maintaining high rigidity.
- Precision & Accuracy: Manufactured to P4A tolerance class with an extra light preload, this bearing delivers exceptional running accuracy and minimal rotational vibration, which is critical for high-precision spindles.
- Long Service Life & Reliability: The sealed design with pre-applied grease effectively excludes contaminants and retains lubrication, resulting in a maintenance-free bearing with a long operational life within its specified temperature range (-30°C to 110°C).
- Universal Matching: Designed as a Universal Matchable (SU) bearing, it can be mounted in various preload configurations (back-to-back, face-to-face, or tandem) by selectively combining multiple bearings from a matched set.
S7010 ACDGA/HCP4A Bearing Typical Application Areas
This bearing is specifically designed for high-performance applications, including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- Medical Equipment: Dental handpieces and high-speed surgical drills.
- Aerospace & Defense: Gyroscopes, radar systems, and auxiliary power units.
- High-Frequency Motors & Spindles: Where extreme rotational accuracy and speed are paramount.
