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Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBTA

Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBTA

The 7011 ACD/P4AQBTA 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 22388 lbf and operates smoothly at speeds up to 34000 RPM.

Its 25° contact angle and matched set of four bearings provide excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for extra light performance, making it ideal for machine tools or spindle drives. It works reliably in temperatures from -30°C to 110°C.

Weighing 1.51kg, it’s a robust choice for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7011 ACD/P4AQBTA
  • 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 72 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 4 bearings <>>> QBT
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 22388 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.51 kg
  • Price（$） 411.795
Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBTA dimension drawing
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Features

How Does 7011 ACD/P4AQBTA Bearing Achieve Super Precision?

7011 ACD/P4AQBTA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.

The chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 22,388 lbf.

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

The phenolic cage minimises friction and wear, contributing to its long service life.

Application

Key Fields for 7011 ACD/P4AQBTA Bearing
7011 ACD/P4AQBTA Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures smooth spindle operation. The phenolic cage reduces friction, making it ideal for continuous machining processes.

In aerospace applications, 7011 ACD/P4AQBTA Bearing supports critical components like helicopter rotor systems, thanks to its extra-light preload and P4A tolerance class. Its chrome steel construction handles both radial and axial loads effectively.

For automation equipment, 7011 ACD/P4AQBTA Bearing excels in robotic arms, providing reliable performance in repetitive motion tasks. The matched arrangement of four bearings enhances stability in high-precision assembly lines.

Medical imaging devices benefit from 7011 ACD/P4AQBTA Bearing’s low vibration and high-speed capabilities, ensuring clear and accurate scans. The open seal design allows for easy lubrication maintenance in sterile environments.

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