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Super Precision Angular Contact Ball Bearings 7011 CD/P4ATBTB

Super Precision Angular Contact Ball Bearings 7011 CD/P4ATBTB

The 7011 CD/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 19170 lbf and operates smoothly at speeds up to 34000 RPM.

Its 15° contact angle and matched arrangement of three bearings provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing 1.13kg, it meets P4A tolerance standards for precision performance. Interchangeable with SKF bearings, it’s a reliable choice for replacements.

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Product Parameters

  • Part Number 7011 CD/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 15°
  • 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 19170 lbf
  • Static Radial Load 22050 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 1.13 kg
  • Price（$） 252.936
Super Precision Angular Contact Ball Bearings 7011 CD/P4ATBTB dimension drawing
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Features

Performance Features of 7011 CD/P4ATBTB Bearing

7011 CD/P4ATBTB Bearing is designed with a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads up to 19170 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 34,000 rpm, it delivers smooth operation in high-speed scenarios.

7011 CD/P4ATBTB Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Its matched arrangement of three bearings (TBT) ensures consistent load distribution.

The light preload (Class B) minimises vibration, making it ideal for precision machinery.
Its open design allows for easy lubrication, extending service life.

7011 CD/P4ATBTB Bearing’s P4A tolerance class guarantees high precision and reliability.
The 18-ball configuration balances load capacity and rotational smoothness.

Application

Practical Applications of 7011 CD/P4ATBTB Bearing
7011 CD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of three bearings provides enhanced stability for demanding operations.

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

For robotics, 7011 CD/P4ATBTB Bearing is ideal for articulated arms and precision movement systems. The P4A tolerance class guarantees consistent performance in automated environments.

Medical imaging devices benefit from 7011 CD/P4ATBTB Bearing’s low friction and high-speed capabilities. The chrome steel construction ensures durability in critical diagnostic equipment.

In aerospace applications, 7011 CD/P4ATBTB Bearing is trusted for its reliability in navigation systems and flight control mechanisms. The open design allows for easy lubrication and maintenance.

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