S7011 ACE/P4ADGA

Sealed Super Precision Angular Contact Ball Bearings

S7011 ACE/P4ADGA Sealed Super Precision Angular Contact Ball Bearings
S7011 ACE/P4ADGA Sealed Super Precision Angular Contact Ball Bearings

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Part No.
Part No. S7011 ACE/P4ADGA

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 25 °

Ball & Washer Dimensions

Ball diameter 7.938 mm
Ball quantity 24

Performance

Temperature range - 30°C to 110 °C
Radial dynamic load rating 5850 lbf
Radial static load rating 5220 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
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S7011 ACE/P4ADGA Bearing Product Overview & Core Advantages

The S7011 ACE/P4ADGA is a high-precision angular contact ball bearing designed for demanding applications requiring exceptional rotational accuracy and rigidity. Engineered to the exacting P4A tolerance class, this bearing excels at simultaneously handling combined radial and axial loads. Its universal matchable (SU) design allows for flexible mounting in various preload configurations, making it an ideal, compact solution for high-speed spindles and other high-reliability machinery.

S7011 ACE/P4ADGA Bearing Model Code Explained, Specifications & Naming Convention

Suffix Code Technical Meaning Performance Implication
ACE 25° Contact Angle, Extra Light Preload Optimized for high-speed operation with minimal friction and heat generation.
P4A High-Precision Tolerance Class Guarantees extremely tight dimensional and running accuracy for superior performance.
DGA Sealed, Grease Lubricated Provides contamination protection and is lubricated for life, enabling maintenance-free operation.

S7011 ACE/P4ADGA Bearing Structural Features & Performance Benefits

  • High Rigidity & Load Capacity: The single-row design, combined with a 25° contact angle and precision-ground raceways, provides excellent rigidity and the ability to support significant combined loads.
  • Superior High-Speed Performance: The lightweight phenolic resin cage ensures stability and low centrifugal forces at the limiting speed of 34,000 rpm. The extra light preload (Class A) further minimizes operating torque and heat buildup.
  • Extended Service Life & Reliability: Manufactured from high-grade chrome steel for rings and balls, and pre-lubricated with grease, this bearing offers long-lasting performance and is protected against contaminants by its integral seals.
  • Precision Engineering: Conforming to the P4A tolerance class, this bearing ensures minimal runout and vibration, which is critical for applications requiring high positional accuracy.

S7011 ACE/P4ADGA Bearing Typical Application Areas

The S7011 ACE/P4ADGA is ideally suited for high-performance machinery where precision, speed, and reliability are paramount. Key applications include:

  • Machine Tool Spindles: High-speed milling, grinding, and turning centers.
  • Precision Robotics: Arm joints and high-accuracy rotary axes.
  • High-Frequency Motors and Spindles
  • Medical and Dental Equipment: High-speed handpieces and scanners.
  • Aerospace Instrumentation: Gyroscopes and navigation systems.
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