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Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADGA

Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADGA

The S7011 ACE/P4ADGA is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 5850 lbf and operates smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The bearing works well in temperatures from -30°C to 110°C.

This model is part of a matched set, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tool spindles or high-speed motors.

Weighing 0.81kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number S7011 ACE/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5850 lbf
  • Static Radial Load 5220 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.81 kg
Super Precision Angular Contact Ball Bearings S7011 ACE/P4ADGA dimension drawing
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Features

How Is S7011 ACE/P4ADGA Bearing Engineered for Reliability?

S7011 ACE/P4ADGA Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
Its universal matching design allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 5850 lbf, it performs reliably in demanding applications.

S7011 ACE/P4ADGA Bearing operates smoothly at speeds up to 34,000 rpm, thanks to its precision P4A tolerance.
The sealed design and grease lubrication minimise maintenance, extending its service life.

Its temperature range of -30°C to 110°C ensures stable performance in varying conditions.
The lightweight phenolic cage also contributes to reduced vibration and noise during operation.

Application

Key Fields for S7011 ACE/P4ADGA Bearing
S7011 ACE/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding industrial settings.

In automotive applications, S7011 ACE/P4ADGA Bearing supports high-speed components like electric motor shafts, thanks to its extra-light preload and universal matching capability. The phenolic cage reduces friction, enhancing efficiency in tight spaces.

For robotics, S7011 ACE/P4ADGA Bearing’s 25° contact angle provides stability in articulated arms, while its P4A tolerance class guarantees consistent performance. The grease lubrication ensures smooth operation even during rapid directional changes.

Medical imaging devices benefit from S7011 ACE/P4ADGA Bearing’s low vibration and high-speed capacity, critical for maintaining precision in diagnostic equipment. The chrome steel construction also resists wear in sterile environments.

In automation systems, S7011 ACE/P4ADGA Bearing’s tandem arrangement options allow for custom load distribution in conveyor drives. Its metric sizing simplifies integration with European-designed machinery.

Q&A

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