S7006 ACDGA/P4A
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7006 ACDGA/P4A
Basic Information
System of measurement
Metric
Weight
0.11 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
30 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
55 mm
Outside diameter tolerance
-0.004mm to 0
Width
13 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
14
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
3105 lbf
Radial static load rating
1721 lbf
Limiting speed
71.5 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
No drawings available at the moment, will be launched soon
In Stock
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S7006 ACDGA/P4A Bearing Product Overview & Core Advantages
The S7006 ACDGA/P4A is a high-precision double row angular contact ball bearing designed for applications demanding exceptional rotational accuracy and rigidity. Engineered with an extra light preload (Class A) and manufactured to ABEC 7/P4A tolerance class, this bearing excels in high-speed spindle applications. Its double row design enables it to support combined radial and axial loads from both directions simultaneously, providing a compact and highly rigid solution for precision machinery where space is at a premium and operational reliability is critical.
S7006 ACDGA/P4A Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning |
|---|---|
| ACD | Double Row Angular Contact Design (25° contact angle) |
| GA | Universal Matchable bearing set with Extra Light Preload (Class A) |
| P4A | High precision tolerance class equivalent to ABEC 7, with focused control on running accuracy |
S7006 ACDGA/P4A Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row ball complement and optimized 25° contact angle provide superior rigidity, enabling the bearing to handle significant combined loads with minimal deflection.
- Exceptional High-Speed Performance: The lightweight phenolic resin cage ensures stable operation and low centrifugal forces, contributing to the high limiting speed of 71,500 rpm. The standard grease lubrication is formulated for high-speed operation.
- Precision & Accuracy: Manufactured to P4A tolerance class with extremely tight dimensional tolerances on the bore, outside diameter, and width, ensuring precise shaft positioning and smooth, quiet running.
- Universal Matching & Simplified Mounting: As a Universal Matchable (SU) bearing, any two S7006 ACDGA/P4A bearings can be paired in a back-to-back or face-to-face arrangement without selective matching, simplifying inventory and assembly.
S7006 ACDGA/P4A Bearing Typical Application Areas
This bearing is ideally suited for high-performance applications where speed, precision, and rigidity are paramount. Key industries and equipment include:
- Machine Tool Spindles: High-speed machining centers, grinding spindles, and CNC milling machines.
- Precision Drives: High-frequency motors, servo motors, and robotics arm joints.
- Aerospace & Defense Systems: Gyroscopes, radar equipment, and navigation systems.
- Medical Equipment: Dental handpieces, centrifuge rotors, and high-speed laboratory apparatus.
