S7011 ACD/P4ADGA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7011 ACD/P4ADGA
Basic Information
System of measurement
Metric
Weight
0.76 kg
Tolerance class
P4A
Seal type
Sealed
For load direction
Angular Contact
Main Dimensions
Bore diameter
55 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
90 mm
Outside diameter tolerance
-0.004mm to 0
Width
36 mm
Width tolerance
-0.2mm to 0
Contact angle
25 °
Ball & Washer Dimensions
Ball diameter
11.112 mm
Ball quantity
18
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
13612 lbf
Radial static load rating
13950 lbf
Limiting speed
34 X 1000 rpm
Lubrication
Grease
Matched arrangement
Universal Matchable (SU)
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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S7011 ACD/P4ADGA Bearing Product Overview & Core Advantages
The S7011 ACD/P4ADGA is a high-precision double row angular contact ball bearing designed for applications demanding exceptional accuracy and rigidity. Engineered to a P4A tolerance class, it excels in supporting combined radial and axial loads simultaneously from both directions. Its compact design, featuring a universal matchable (SU) configuration, offers high running accuracy and operational reliability, making it an ideal choice for high-performance spindle systems and other precision machinery.
S7011 ACD/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7011 | Basic bearing series designation. |
| AC | 25° contact angle. |
| D | Double row design. |
| P4A | High precision tolerance class, exceeding ABEC 7/ISO P4 standards. |
| DGA | Sealed on both sides and pre-lubricated with grease. |
S7011 ACD/P4ADGA Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The double row angular contact design provides superior rigidity and enables the bearing to handle significant combined loads and bidirectional axial loads efficiently.
- Precision & High-Speed Performance: Manufactured to a P4A tolerance class and featuring a lightweight phenolic cage, this bearing ensures smooth operation and is capable of high rotational speeds up to 34,000 rpm.
- Maintenance-Free Operation: The integral seals and factory-applied grease lubrication protect against contamination and provide long-term, maintenance-free service within a temperature range of -30°C to 110°C.
- Universal Matchability (SU): Bearings are universally matchable, allowing for flexible mounting arrangements (back-to-back, face-to-face, or tandem) to optimize preload and system stiffness.
S7011 ACD/P4ADGA Bearing Typical Application Areas
This precision bearing is ideally suited for demanding applications such as:
- Machine Tool Spindles
- High-Frequency Motors
- Precision Grinding Equipment
- Industrial Pumps and Compressors
- Robotic Drives and Precision Instrumentation
