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Super Precision Angular Contact Ball Bearings 7011 ACD/P4A

Super Precision Angular Contact Ball Bearings 7011 ACD/P4A

The 7011 ACD/P4A 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 8348 lbf and operates smoothly at speeds up to 22,000 RPM.

With a 25° contact angle and preload option, it offers excellent stability for high-precision applications. The open design and phenolic cage ensure durability and easy maintenance.

This bearing is ideal for machine tools or spindle systems where accuracy and speed are crucial. It works well in temperatures from -30°C to 110°C and meets P4 tolerance standards.

Weighing 0.38kg, it’s a robust yet lightweight choice for demanding industrial environments. Compatible with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 7011 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 18
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8348 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.38 kg
  • Price（$） 89.64
Super Precision Angular Contact Ball Bearings 7011 ACD/P4A dimension drawing
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Features

Performance Features of 7011 ACD/P4A Bearing

7011 ACD/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 8348 lbf, it handles demanding conditions reliably.

7011 ACD/P4A Bearing operates efficiently at speeds up to 22,000 rpm, balancing performance and longevity.
Its precision P4 tolerance class ensures consistent accuracy in high-speed applications.

The open design allows for easy lubrication, maintaining optimal performance over time.
7011 ACD/P4A Bearing’s temperature range of -30° to 110°C ensures adaptability in various environments.

Application

Industrial Uses of 7011 ACD/P4A Bearing
This bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The open seal type allows for efficient lubrication, ensuring smooth performance in demanding conditions.

What Makes 7011 ACD/P4A Bearing a Preferred Choice?
In automotive applications, it supports components like electric motors and transmissions, thanks to its ability to handle both radial and axial loads. The phenolic cage material reduces friction, making it suitable for high-speed scenarios.

Built for Heavy-Duty Use: 7011 ACD/P4A Bearing
For automation systems, this bearing is ideal for robotic arms and CNC machines, where its P4 tolerance class ensures reliable performance. The chrome steel construction provides durability, even under continuous use.

Medical vs Industrial: Where 7011 ACD/P4A Bearing Excels
In medical imaging devices, its precision and low friction are crucial for smooth operation. Meanwhile, in industrial settings, it excels in spindle applications, where high-speed and accuracy are required.

Perfect Fit for Automation: 7011 ACD/P4A Bearing
This bearing works well in 3D printers and assembly lines, offering stability and precision. Its lightweight design and high-speed capability make it a versatile choice for various automated systems.

Q&A

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