S7011 FE/P4ADBA
Sealed Super Precision Angular Contact Ball Bearings
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Part No.
Part No.
S7011 FE/P4ADBA
Basic Information
System of measurement
Metric
Weight
0.81 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
18 °
Ball & Washer Dimensions
Ball diameter
7.938 mm
Ball quantity
24
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
6075 lbf
Radial static load rating
5400 lbf
Limiting speed
46 X 1000 rpm
Lubrication
Grease
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
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 FE/P4ADBA Bearing Product Overview & Core Advantages
The S7011 FE/P4ADBA is a high-precision duplex angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. This matched pair arrangement in a back-to-back (DB) configuration provides superior stability and can accommodate combined loads, including significant radial and bidirectional axial loads. Manufactured to P4A tolerance class, it ensures extremely tight dimensional and running accuracy. The phenolic cage and pre-lubrication with grease contribute to its high-speed capabilities and reliable, long-term performance in precision machinery.
S7011 FE/P4ADBA Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| S7011 | Basic bearing series and size designation. |
| FE | Indicates the bearing is pre-lubricated with grease. |
| P4A | Denotes a high-precision tolerance class, exceeding ABEC 7 standards, for superior running accuracy. |
| DB | Specifies the Duplex Back-to-Back mounting arrangement of the matched pair. |
| A | Signifies an Extra Light preload for optimal rigidity and minimal friction. |
S7011 FE/P4ADBA Bearing Structural Features & Performance Benefits
- High Rigidity and Stability: The duplex back-to-back (DB) arrangement creates a wide, rigid support system that effectively resists overturning moments, making it ideal for spindles and other high-stress applications.
- Superior Load Capacity: With a 15° contact angle and a dynamic load rating of 6075 lbf, this bearing is engineered to handle significant combined radial and axial loads from both directions simultaneously.
- Optimized High-Speed Performance: The lightweight phenolic resin cage reduces centrifugal forces, while the pre-applied grease lubrication allows for a high limiting speed of 46,000 rpm.
- Sealed and Pre-Lubricated for Longevity: The sealed design (FE code) protects against contamination, and the factory-applied grease ensures consistent performance across the specified temperature range (-30°C to 110°C), reducing maintenance needs.
S7011 FE/P4ADBA Bearing Typical Application Areas
- Machine Tool Spindles: High-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- Precision Gearboxes: Applications demanding high rotational accuracy and minimal runout.
- High-Frequency Motors and Spindles: Where high rotational speeds and thermal stability are critical.
- Medical and Laboratory Equipment: Centrifuges and other devices that operate at high speeds with reliable, maintenance-free operation.
