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Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTB

The 7011 ACD/P4ATBTB 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 18135 lbf and spins smoothly at speeds up to 34000 RPM.

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

This bearing is lubricated for easy maintenance and performs well in temperatures from -30°C to 110°C. Ideal for machine tools or spindle systems where accuracy and speed are crucial.

Weighing 1.13kg, it meets P4A tolerance standards for precision engineering. The open design allows for custom lubrication if needed.

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Product Parameters

  • Part Number 7011 ACD/P4ATBTB
  • 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 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Light / Class B
  • 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
  • Price（$） 311.193
Super Precision Angular Contact Ball Bearings 7011 ACD/P4ATBTB dimension drawing
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Features

How Is 7011 ACD/P4ATBTB Bearing Engineered for Reliability?

7011 ACD/P4ATBTB Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 18135 lbf, it performs reliably under demanding conditions.
Its P4A tolerance class guarantees high precision, making it suitable for critical applications.

The matched arrangement of three bearings enhances stability and load distribution.
Lubrication is pre-applied, ensuring smooth operation right from installation.

Operating temperatures range from -30°C to 110°C, accommodating various environments.
The maximum speed of 34,000 rpm allows for efficient performance in high-speed applications.

Application

Industrial Uses of 7011 ACD/P4ATBTB Bearing
7011 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability in demanding industrial environments.

In automotive applications, 7011 ACD/P4ATBTB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth performance under angular loads.

For automation systems, 7011 ACD/P4ATBTB Bearing is ideal for robotic arms and CNC machines, offering reliable motion control. The P4A tolerance class ensures consistent precision in repetitive tasks.

Medical imaging devices benefit from 7011 ACD/P4ATBTB Bearing’s low friction and high-speed capabilities. The chrome steel construction maintains durability in sterile environments.

In aerospace applications, 7011 ACD/P4ATBTB Bearing handles both radial and axial loads in navigation systems. Its temperature range makes it suitable for varying operational conditions.

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