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Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCC

The S71912 ACD/P4AQBCC is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and sealed design ensure reliable performance under angular loads.

With a dynamic radial load capacity of 11115 lbf, it handles high speeds up to 36,000 RPM, making it suitable for demanding applications. The phenolic cage and grease lubrication contribute to smooth operation and durability.

This bearing comes in a matched set of four, preloaded for moderate performance (Class C). Its P4A tolerance class guarantees precision, ideal for machinery requiring tight tolerances.

Perfect for spindle drives or high-speed rotary applications, it operates efficiently in temperatures from -30°C to 110°C. Weighing 0.78kg, it balances strength and precision for industrial use.

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Product Parameters

  • Part Number S71912 ACD/P4AQBCC
  • 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 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.78 kg
Super Precision Angular Contact Ball Bearings S71912 ACD/P4AQBCC dimension drawing
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Features

How Does S71912 ACD/P4AQBCC Bearing Ensure Precision in High-Speed Applications?

S71912 ACD/P4AQBCC Bearing features a 25° contact angle, optimised for handling combined radial and axial loads with precision.
The matched arrangement of four bearings ensures consistent performance, ideal for high-speed operations up to 36,000 rpm.

Its chrome steel rings and balls, paired with a phenolic cage, provide durability and reduce friction.
With a dynamic radial load capacity of 11,115 lbf, it delivers reliable performance under demanding conditions.

The sealed design and grease lubrication minimise maintenance, extending service life.
Operating between -30°C to 110°C, it adapts well to varying environmental conditions.

Application

Industrial Uses of S71912 ACD/P4AQBCC Bearing
S71912 ACD/P4AQBCC Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The sealed construction keeps contaminants out, ensuring long service life in demanding environments.

In robotics, S71912 ACD/P4AQBCC Bearing provides smooth motion control for articulated arms, thanks to its moderate preload and phenolic cage. Its high-speed capability makes it suitable for automated production lines.

For medical imaging devices, S71912 ACD/P4AQBCC Bearing’s P4A tolerance class ensures minimal vibration and noise. The chrome steel rings and balls offer reliable performance in critical applications where precision is non-negotiable.

In automotive testing equipment, S71912 ACD/P4AQBCC Bearing supports precise measurements with its stable load handling. The matched set arrangement simplifies installation and maintenance in complex systems.

Q&A

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