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Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBCC

The 7011 ACD/P4AQBCC 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 22388 lbf and operates smoothly at speeds up to 34000 RPM.

Its 25° contact angle and matched arrangement of four bearings provide excellent stability for angular loads. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preloaded for moderate stiffness, making it suitable for precision applications. It performs reliably in temperatures ranging from -30°C to 110°C.

Ideal for machine tools or spindle systems where accuracy is crucial. Weighing 1.51kg, it’s a robust choice for industrial settings. Compliant with P4A tolerance standards for consistent performance.

The open design allows for easy lubrication, ensuring long service life. Interchangeable with SKF bearings, offering flexibility for replacements.

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Product Parameters

  • Part Number 7011 ACD/P4AQBCC
  • 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 <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 22388 lbf
  • Static Radial Load 28125 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.51 kg
Super Precision Angular Contact Ball Bearings 7011 ACD/P4AQBCC dimension drawing
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Features

Performance Features of 7011 ACD/P4AQBCC Bearing

7011 ACD/P4AQBCC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 22,388 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 applications.

7011 ACD/P4AQBCC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) ensures stable performance without excessive rigidity.

The matched arrangement of four bearings (QBC) provides consistent precision in demanding setups.
Open seal design allows for easy lubrication, maintaining optimal performance over time.

Application

Essential Roles of 7011 ACD/P4AQBCC Bearing
7011 ACD/P4AQBCC Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched arrangement of four bearings provides stability in demanding operations.

In aerospace applications, 7011 ACD/P4AQBCC Bearing supports critical components like turbine shafts, thanks to its moderate preload and phenolic cage. Its high-speed capability makes it suitable for rotating systems.

For robotics, 7011 ACD/P4AQBCC Bearing excels in articulated arms, offering smooth motion and durability. The chrome steel construction ensures long service life even in continuous operation.

Medical imaging devices benefit from 7011 ACD/P4AQBCC Bearing’s precision and low friction. The P4A tolerance class guarantees consistent performance in sensitive equipment.

In automotive testing rigs, 7011 ACD/P4AQBCC Bearing handles high loads and speeds reliably. Its lubricated design reduces maintenance needs, making it a cost-effective choice.

Q&A

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