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Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATGC

Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATGC

The 7011 ACD/P4ATGC 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 18135 lbf and operates smoothly at speeds up to 34000 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preloaded for moderate stiffness and comes lubricated for immediate use. Ideal for precision applications like machine tool spindles or high-performance industrial equipment, where accuracy and reliability are key.

Weighing 1.13kg, it meets P4A tolerance standards and performs reliably in temperatures from -30°C to 110°C. Its open design allows for easy maintenance and inspection.

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Product Parameters

  • Part Number 7011 ACD/P4ATGC
  • 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 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 18135 lbf
  • Static Radial Load 20925 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.13 kg
Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATGC dimension drawing
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Features

Performance Features of 7011 ACD/P4ATGC Bearing

7011 ACD/P4ATGC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.

Its chrome steel rings and balls ensure high durability, supporting dynamic radial loads up to 18135 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.

With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed precision tasks.

Application

Industrial Uses of 7011 ACD/P4ATGC Bearing
7011 ACD/P4ATGC Bearing is commonly used in high-precision machine tools, where its moderate preload and universal matching ensure smooth operation. The phenolic cage reduces friction, making it suitable for long-running applications.

In automotive systems, 7011 ACD/P4ATGC Bearing supports components like wheel hubs and transmissions, thanks to its angular contact design. The chrome steel construction provides durability under heavy radial and axial loads.

For robotics, 7011 ACD/P4ATGC Bearing offers reliable performance in articulated arms and joints, where precision is key. Its high-speed capability and temperature tolerance make it ideal for automated production lines.

Medical imaging devices also benefit from 7011 ACD/P4ATGC Bearing’s accuracy and low vibration. The P4A tolerance class ensures consistent performance in sensitive equipment like MRI scanners.

In aerospace applications, 7011 ACD/P4ATGC Bearing handles both radial and thrust loads in flight control systems. Its lightweight design and high-speed performance are well-suited for demanding aviation environments.

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