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Super Precision Angular Contact Ball Bearings 7011 ACD/PA9ADBC

Super Precision Angular Contact Ball Bearings 7011 ACD/PA9ADBC

The 7011 ACD/PA9ADBC is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 13612 lbf and spins smoothly at speeds up to 34000 RPM.

With a 25° contact angle and matched DB arrangement, it offers excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

Preloaded for moderate stiffness, this bearing is ideal for high-speed applications like machine tool spindles or precision gearboxes. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.76kg, this pair of bearings is interchangeable with SKF models. The open design allows for easy relubrication when needed.

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Product Parameters

  • Part Number 7011 ACD/PA9ADBC
  • 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 11.112 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class PA9A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 13612 lbf
  • Static Radial Load 13950 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.76 kg
Super Precision Angular Contact Ball Bearings 7011 ACD/PA9ADBC dimension drawing
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Features

How Does 7011 ACD/PA9ADBC Bearing Ensure Precision in High-Speed Applications?

7011 ACD/PA9ADBC Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.

Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.

With a maximum speed of 34,000 rpm, it maintains performance in demanding conditions.

The matched arrangement of two bearings enhances stability and load distribution.

Application

Industrial Uses of 7011 ACD/PA9ADBC Bearing
7011 ACD/PA9ADBC Bearing is commonly used in machine tools, where its moderate preload and 25° contact angle ensure smooth operation under radial and axial loads. The phenolic cage helps reduce friction, making it suitable for high-speed applications.

Where Is 7011 ACD/PA9ADBC Bearing Used?
In automotive systems, 7011 ACD/PA9ADBC Bearing supports components like gearboxes and electric motors, thanks to its balanced load handling. The matched arrangement of two bearings enhances stability in demanding conditions.

Optimized for Performance: 7011 ACD/PA9ADBC Bearing
For robotics and automation, 7011 ACD/PA9ADBC Bearing provides reliable precision in robotic arms and CNC machines. Its chrome steel construction ensures durability even in continuous operation.

Medical vs Industrial: Where 7011 ACD/PA9ADBC Bearing Excels
In medical imaging devices, 7011 ACD/PA9ADBC Bearing offers quiet and precise movement, essential for accurate diagnostics. Its open design allows for easy lubrication, extending service life.

Practical Applications of 7011 ACD/PA9ADBC Bearing
7011 ACD/PA9ADBC Bearing is a solid choice for 3D printers, where its high-speed capability and low friction improve print quality. The metric sizing ensures compatibility with various international standards.

Q&A

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