S7010 ACEGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7010 ACEGA/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
7.938 mm
Ball quantity
21
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3330 lbf
Radial static load rating
2250 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Grease
Matched arrangement
Single
Number of bearings in matched set
2
Universal matching bearing
Universal Matchable (SU)
Preload
Extra light / Class A
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 ACEGA/P4A Bearing Product Overview & Core Advantages
The S7010 ACEGA/P4A is a super-precision angular contact ball bearing designed for applications demanding the highest levels of accuracy and performance. As a universal matchable (SU) bearing supplied in a set of two, it is engineered to accommodate combined radial and axial loads simultaneously. Its P4A tolerance class and extra light preload (Class A) ensure exceptional running accuracy and smooth operation, making it ideal for high-speed spindles and other precision machinery where high rigidity and minimal rotational error are critical.
S7010 ACEGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
The model designation S7010 ACEGA/P4A provides detailed technical specifications:
- S70: Denotes a super-precision angular contact ball bearing series.
- 10: Indicates a bore diameter of 50 mm (10 x 5 mm).
- AC: Signifies a 25° contact angle, optimized for high axial load capacity.
- E: Represents an optimized internal design for high-speed operation.
- GA: Indicates the bearing is supplied in a universally matchable set of two bearings with extra light preload (Class A).
- P4A: Specifies an ultra-precise tolerance class exceeding ABEC 7/ISO P4 standards, ensuring extremely tight dimensional and running accuracy.
S7010 ACEGA/P4A Bearing Structural Features & Performance Benefits
- Super-Precision Construction: Manufactured to P4A tolerance class with extremely tight dimensional controls (bore/OD tolerance: -0.004mm to 0), guaranteeing exceptional running accuracy and system stability.
- High-Speed Capability: Features a phenolic resin cage and optimized internal geometry (E-design), enabling a high limiting speed of 46,000 rpm with minimal friction and heat generation.
- Superior Load Capacity: The 25° contact angle and robust construction provide a high dynamic load rating of 3330 lbf and static load rating of 2250 lbf, suitable for demanding combined load applications.
- Sealed & Pre-Lubricated: The sealed design with factory-applied grease protects against contamination and provides reliable lubrication within the specified temperature range of -30°C to 110°C, ensuring long service life with minimal maintenance.
- Universal Matchability: As a Universal Matchable (SU) bearing supplied in a matched set, it allows for flexible mounting arrangements (DB, DF, DT) to achieve the required preload and stiffness without selective assembly.
S7010 ACEGA/P4A Bearing Typical Application Areas
This bearing is specifically engineered for high-performance applications including:
- Machine Tool Spindles: High-speed milling, grinding, and turning centers.
- Precision Robotics: High-accuracy robotic arms and joints.
- Medical Equipment: Dental handpieces, surgical drill spindles.
- Aerospace Systems: Gyroscopes, navigation instruments, and auxiliary power units.
- High-Frequency Motors: Spindles for PCB drilling and semiconductor manufacturing equipment.
