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Super Precision Angular Contact Ball Bearings S71912 CB/P4ADBB

Super Precision Angular Contact Ball Bearings S71912 CB/P4ADBB

The S71912 CB/P4ADBB is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 3780 lbf.

Its sealed design and grease lubrication ensure smooth operation at speeds up to 32,500 RPM. The phenolic cage adds durability while keeping the bearing lightweight at just 0.41kg.

This matched set of two bearings (DB arrangement) offers excellent stability for high-precision applications. Ideal for machine tools or spindle systems where accuracy and speed are key.

With a temperature range of -30°C to 110°C, it’s reliable in various working conditions. Compliant with P4A tolerance class for consistent performance.

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Product Parameters

  • Part Number S71912 CB/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 5.556 mm
  • Ball Qty 30
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 3780 lbf
  • Static Radial Load 3960 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.41 kg
Super Precision Angular Contact Ball Bearings S71912 CB/P4ADBB dimension drawing
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Features

Performance Features of S71912 CB/P4ADBB Bearing

S71912 CB/P4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 3780 lbf.

The sealed design and phenolic cage reduce friction and protect against contaminants.
With a maximum speed of 32,500 rpm, it delivers reliable performance in high-speed conditions.

S71912 CB/P4ADBB Bearing’s matched arrangement of two bearings enhances stability and load capacity.
Its light preload class B ensures minimal vibration, making it ideal for precision machinery.

The grease lubrication system maintains smooth operation across a temperature range of -30°C to 110°C.
This bearing’s P4A tolerance class guarantees high precision and consistent performance.

Application

Industrial Uses of S71912 CB/P4ADBB Bearing
S71912 CB/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps keep contaminants out, extending service life in demanding environments.

Where Is S71912 CB/P4ADBB Bearing Used?
You’ll find S71912 CB/P4ADBB Bearing in automotive transmissions, where its light preload and matched arrangement reduce vibration. The phenolic cage also handles high speeds smoothly, making it ideal for performance applications.

Built for Heavy-Duty Use: S71912 CB/P4ADBB Bearing
S71912 CB/P4ADBB Bearing excels in robotics, particularly in articulated arms requiring precise movement. Its chrome steel rings and balls provide durability, while the grease lubrication ensures quiet operation.

Medical vs Industrial: Where S71912 CB/P4ADBB Bearing Excels
In medical imaging devices, S71912 CB/P4ADBB Bearing offers reliable performance due to its P4A tolerance class. For industrial pumps, its sealed design and high-speed capability make it a dependable choice.

Practical Applications of S71912 CB/P4ADBB Bearing
S71912 CB/P4ADBB Bearing works well in 3D printers, where its angular contact design supports precise linear motion. The matched bearing set also helps maintain alignment in automated systems.

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