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Super Precision Angular Contact Ball Bearings S71915 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings S71915 ACD/P4AQBCB

The S71915 ACD/P4AQBCB is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 20340 lbf and spins smoothly at speeds up to 28000 RPM.

Its sealed design keeps grease in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle and light preload make it ideal for high-precision applications.

This bearing comes in a matched set of four, optimised for stability under angular loads. Perfect for machine tools or high-speed spindles where accuracy is crucial.

Weighing 1.44kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71915 ACD/P4AQBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 105 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 64 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 26
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 20340 lbf
  • Static Radial Load 31500 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.44 kg
Super Precision Angular Contact Ball Bearings S71915 ACD/P4AQBCB dimension drawing
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Features

Performance Features of S71915 ACD/P4AQBCB Bearing

S71915 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.

The chrome steel construction ensures durability and resistance to wear, even under high dynamic radial loads of 20340 lbf.

With a maximum speed of 28,000 rpm, it delivers smooth and efficient performance in demanding conditions.

The sealed design and grease lubrication reduce maintenance needs, making it a reliable choice for long-term use.

Application

Essential Roles of S71915 ACD/P4AQBCB Bearing
S71915 ACD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In aerospace applications, S71915 ACD/P4AQBCB Bearing handles both radial and axial loads in turbine systems, thanks to its 25° contact angle. The matched set of four bearings provides balanced performance for critical flight components.

For robotics, S71915 ACD/P4AQBCB Bearing offers smooth motion control in articulated arms, with its phenolic cage reducing vibration. The P4A tolerance class makes it suitable for applications requiring micron-level precision.

In medical imaging devices, S71915 ACD/P4AQBCB Bearing’s grease lubrication ensures quiet operation during sensitive scans. The chrome steel construction maintains dimensional stability across temperature fluctuations.

Automotive testing equipment benefits from S71915 ACD/P4AQBCB Bearing’s high-speed capability (28,000 rpm), particularly in dynamometers. The light preload setting minimises friction during prolonged testing cycles.

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