S7010 ACDGB/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 ACDGB/P4A
Basic Information
System of measurement
Metric
Weight
0.26 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
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Chrome Steel
Cage material
Phenolic
Technical Drawings
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In Stock
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S7010 ACDGB/P4A Bearing Product Overview & Core Advantages
The S7010 ACDGB/P4A is a super-precision angular contact ball bearing designed for applications demanding exceptional rotational accuracy and high-speed performance. As a single bearing with a Universal Matchable (SU) designation, it can be universally paired with other bearings from the same manufacturing lot to form pre-loaded duplex sets, offering design flexibility. Its key advantages include the ability to handle combined loads (radial and axial) simultaneously, superior running accuracy ensured by the P4A tolerance class, and high-speed capability facilitated by the phenolic cage and optimized grease lubrication.
S7010 ACDGB/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7010 | Basic bearing designation (50mm bore, 80mm OD, 16mm width). |
| AC | Angular Contact design with a 25° contact angle. |
| DGB | Duplex set configuration code (Back-to-Back). |
| P4A | Tolerance class superior to ABEC 7/ISO P4, indicating extremely high precision for running accuracy and dimensional stability. |
S7010 ACDGB/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The angular contact design with a 25° contact angle is optimized to support significant combined radial and axial loads. The Light preload (Class B) enhances system rigidity and minimizes axial and radial play, ensuring precise shaft positioning.
- Super-Precision & High-Speed Performance: Manufactured to the stringent P4A tolerance class, this bearing guarantees exceptional running accuracy and low vibration. The lightweight phenolic cage is ideal for high-speed operation, contributing to a limiting speed of 41,000 rpm. The pre-applied grease supports this high-speed performance within its specified temperature range.
- Universal Matching & Sealed Design: As a Universal Matchable (SU) bearing, it allows for flexible mounting in duplex arrangements (back-to-back, face-to-face) without selective matching, simplifying inventory and assembly. The sealed construction protects against contamination and retains lubrication, ensuring long-term reliability.
S7010 ACDGB/P4A Bearing Typical Application Areas
This high-precision bearing is ideally suited for demanding applications where speed, accuracy, and rigidity are critical. Key industries and equipment include:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: Arm joints and high-accuracy rotary axes.
- High-Frequency Spindles: PCB drilling and routing machines.
- Medical Equipment: Dental handpieces and high-speed centrifuges.
- Aerospace Instrumentation: Gyroscopes and navigation systems.
