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Super Precision Angular Contact Ball Bearings 7011 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 7011 ACD/P4ADBD

The 7011 ACD/P4ADBD is a super precision angular contact ball bearing with a 55mm bore and 90mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and matched pair design (DB arrangement) handle heavy radial loads up to 13612 lbf.

With a phenolic cage and open design, it spins smoothly at speeds up to 34000 RPM while maintaining precision. The heavy preload (Class D) ensures stability in demanding applications.

This bearing suits high-precision machinery like CNC spindles or grinding equipment, where accuracy is crucial. It operates reliably in temperatures from -30°C to 110°C.

Weighing 0.76kg, this P4A-tolerance bearing comes as a matched set of two. It’s interchangeable with SKF equivalents, offering a trusted replacement option.

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Product Parameters

  • Part Number 7011 ACD/P4ADBD
  • 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 P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • 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/P4ADBD dimension drawing
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Features

Performance Features of 7011 ACD/P4ADBD Bearing

7011 ACD/P4ADBD 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 heavy radial loads.

The matched arrangement of two bearings provides stability, ideal for precision tasks.
With a maximum speed of 34,000 rpm, it delivers reliable performance in high-speed operations.

7011 ACD/P4ADBD Bearing’s phenolic cage maintains ball alignment, reducing friction and noise.
Its P4A tolerance class guarantees precision, making it suitable for demanding industrial uses.

The bearing operates efficiently within a temperature range of -30°C to 110°C.
Its preload class D ensures consistent performance under heavy loads.

Application

Key Fields for 7011 ACD/P4ADBD Bearing
7011 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for demanding machining operations.

In robotics, 7011 ACD/P4ADBD Bearing provides stable performance in articulated arms, thanks to its matched arrangement and phenolic cage. The 25° contact angle helps handle combined radial and axial loads efficiently.

For aerospace applications, 7011 ACD/P4ADBD Bearing’s chrome steel construction offers durability in components like landing gear systems. Its high-speed capability (up to 34,000 rpm) ensures reliable performance under extreme conditions.

In medical imaging devices, 7011 ACD/P4ADBD Bearing’s precision reduces vibration, crucial for clear scan results. The open design allows for easy lubrication, extending service life in continuous-use environments.

Automotive testing equipment benefits from 7011 ACD/P4ADBD Bearing’s ability to handle dynamic radial loads. Its metric sizing and SKF interchangeability simplify maintenance in European and Asian testing facilities.

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