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Super Precision Angular Contact Ball Bearings 71912 CD/P4ADBB

Super Precision Angular Contact Ball Bearings 71912 CD/P4ADBB

The 71912 CD/P4ADBB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 7178 lbf and spins smoothly at speeds up to 36,000 RPM. Its phenolic cage ensures quiet operation and long service life, even under light preload conditions.

The open design allows for easy lubrication, while the tight tolerances (P4A class) ensure reliable precision. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing 0.38kg, this matched set is designed for angular contact loads and operates in temperatures from -30°C to 110°C. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71912 CD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7178 lbf
  • Static Radial Load 6975 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings 71912 CD/P4ADBB dimension drawing
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Features

Performance Features of 71912 CD/P4ADBB Bearing

71912 CD/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 7178 lbf.

Its phenolic cage ensures smooth operation, even at high speeds of 36,000 rpm.
The matched arrangement of two bearings provides stability and precision in demanding conditions.

With a temperature range of -30°C to 110°C, 71912 CD/P4ADBB Bearing performs reliably in varied environments.
The light preload design reduces friction, extending the bearing’s service life.

The open seal type allows for easy lubrication, maintaining optimal performance.
Its P4A tolerance class ensures high precision, making it suitable for critical applications.

Application

Common Applications of 71912 CD/P4ADBB Bearing
In precision machine tools, 71912 CD/P4ADBB Bearing excels with its 15° contact angle, ensuring smooth rotation under radial and axial loads. The matched DB arrangement enhances stability, making it ideal for high-speed spindle applications.

Industrial Uses of 71912 CD/P4ADBB Bearing
For automation systems like robotic arms, 71912 CD/P4ADBB Bearing offers reliable performance due to its phenolic cage and chrome steel construction. Its light preload ensures minimal friction during repetitive movements.

Where Is 71912 CD/P4ADBB Bearing Used?
You’ll often find 71912 CD/P4ADBB Bearing in medical imaging devices, where its P4A tolerance class guarantees precise motion control. The open design allows for easy lubrication, extending service life in critical applications.

Built for Heavy-Duty Use: 71912 CD/P4ADBB Bearing
In aerospace components, 71912 CD/P4ADBB Bearing handles high-speed rotations up to 36,000 rpm. Its chrome steel balls and rings provide durability under demanding conditions.

Automotive vs Aerospace: Applications of 71912 CD/P4ADBB Bearing
While automotive gearboxes benefit from 71912 CD/P4ADBB Bearing’s light preload, aerospace systems rely on its precision for turbine controls. The metric sizing ensures compatibility across industries.

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