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Super Precision Angular Contact Ball Bearings S71912 CE/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71912 CE/HCP4ADBA

The S71912 CE/HCP4ADBA is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 5962 lbf and spins smoothly at speeds up to 32,500 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and extra-light preload make it ideal for high-precision applications.

This matched set of two bearings (DB arrangement) offers excellent stability for demanding setups. Perfect for machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.32kg, it operates in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional precision.

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Product Parameters

  • Part Number S71912 CE/HCP4ADBA
  • 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 23
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5962 lbf
  • Static Radial Load 5310 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 32500 rpm
  • Weight 0.32 kg
Super Precision Angular Contact Ball Bearings S71912 CE/HCP4ADBA dimension drawing
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Features

Performance Features of S71912 CE/HCP4ADBA Bearing

S71912 CE/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls and chrome steel rings enhance durability while reducing friction.

Its extra light preload ensures smooth operation, making it ideal for high-speed tasks.
With a maximum speed of 32,500 rpm, it balances performance and reliability.

The sealed design and grease lubrication minimise maintenance needs.
S71912 CE/HCP4ADBA Bearing operates efficiently in temperatures from -30°C to 110°C.

The matched arrangement of two bearings provides stability under radial loads.
Its phenolic cage keeps the ceramic balls aligned, extending service life.

Application

Super Precision Angular Contact Ball Bearings S71912 CE/HCP4ADBA excel in high-speed machine tool spindles, where their 15° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making them ideal for precision machining applications.

In robotics, S71912 CE/HCP4ADBA supports articulated arms, providing the necessary stiffness and accuracy for repetitive tasks. The matched bearing arrangement enhances stability, crucial for maintaining positional accuracy in automated systems.

For aerospace applications, S71912 CE/HCP4ADBA’s phenolic cage and grease lubrication withstand extreme temperatures, ensuring reliable performance in avionics and control systems. Its P4A tolerance class guarantees consistent operation in critical environments.

Medical imaging devices benefit from S71912 CE/HCP4ADBA’s low vibration and high-speed capabilities, essential for clear and accurate diagnostic results. The sealed design also protects against contaminants in sterile environments.

In electric motors, S71912 CE/HCP4ADBA’s extra light preload reduces energy loss, improving efficiency and extending service life. The metric dimensions make it compatible with a wide range of motor designs.

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