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Super Precision Angular Contact Ball Bearings 7011 CD/P4ADBA

Super Precision Angular Contact Ball Bearings 7011 CD/P4ADBA

The 7011 CD/P4ADBA 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 14332 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads. The phenolic cage ensures durability and reduces friction during high-speed rotation.

Preloaded for extra light performance, this bearing is ideal for precision applications like machine tool spindles or high-speed motors. It works reliably in temperatures from -30°C to 110°C.

Weighing 0.76kg, it’s a robust yet manageable size for industrial use. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7011 CD/P4ADBA
  • 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 15°
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 14332 lbf
  • Static Radial Load 14738 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.76 kg
  • Price（$） 415.17
Super Precision Angular Contact Ball Bearings 7011 CD/P4ADBA dimension drawing
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Features

How Is 7011 CD/P4ADBA Bearing Engineered for Reliability?

7011 CD/P4ADBA Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.

Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 14332 lbf, it delivers consistent performance in precision applications.

The P4A tolerance class guarantees high accuracy, making it suitable for demanding industrial uses.

Application

Industrial Uses of 7011 CD/P4ADBA Bearing
This bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings helps maintain stability under radial and axial loads.

In robotics, 7011 CD/P4ADBA Bearing supports articulated arms that require smooth, precise movement. Its phenolic cage reduces friction, making it suitable for repetitive tasks in automated systems.

For aerospace applications, 7011 CD/P4ADBA Bearing’s extra light preload and P4A tolerance class meet the demands of flight control systems. The chrome steel construction provides durability in varying temperature conditions.

Where Is 7011 CD/P4ADBA Bearing Used?
You’ll often find this bearing in medical imaging devices, where its low vibration and high-speed capability are essential. The open design allows for easy lubrication, extending service life in critical equipment.

In automotive testing rigs, 7011 CD/P4ADBA Bearing handles both radial and axial loads with precision. Its metric sizing ensures compatibility with European-engineered components.

Built for Heavy-Duty Use: 7011 CD/P4ADBA Bearing
This bearing excels in industrial pumps, where its 15° contact angle manages combined loads effectively. The lubricated design reduces wear, even in continuous operation environments.

For CNC machining centres, 7011 CD/P4ADBA Bearing offers reliable performance at high speeds. The matched set configuration helps maintain alignment during heavy cutting operations.

Automotive vs Aerospace: Applications of 7011 CD/P4ADBA Bearing
In automotive transmissions, this bearing supports gear shafts with minimal friction. Its high dynamic load capacity makes it suitable for performance vehicles.

For aircraft components, 7011 CD/P4ADBA Bearing’s precision tolerances ensure reliability in flight-critical systems. The temperature range accommodates both ground and high-altitude conditions.

Q&A

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