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Super Precision Angular Contact Ball Bearings 71815 ACD/P4QBCB

Super Precision Angular Contact Ball Bearings 71815 ACD/P4QBCB

The 71815 ACD/P4QBCB is a super precision angular contact ball bearing with a 75mm bore and 95mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 7898 lbf and spins smoothly at speeds up to 28,000 RPM. Its phenolic cage ensures durability, while the light preload (Class B) enhances precision in operation.

The open design allows for easy lubrication, and it performs reliably in temperatures from -30°C to 110°C. With a P4 tolerance class, it offers exceptional accuracy for demanding applications.

Ideal for high-precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing 0.57kg, it’s a robust yet manageable choice for industrial use.

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Product Parameters

  • Part Number 71815 ACD/P4QBCB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 75 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 95 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 33
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • 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 7898 lbf
  • Static Radial Load 14400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.57 kg
Super Precision Angular Contact Ball Bearings 71815 ACD/P4QBCB dimension drawing
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Features

Performance Features of 71815 ACD/P4QBCB Bearing

71815 ACD/P4QBCB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 7898 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 28,000 rpm, it is suitable for high-speed operations.

71815 ACD/P4QBCB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance in demanding setups.

The light preload design minimises vibration, making it ideal for precision machinery.
Its open seal type allows for easy lubrication, extending service life.

Application

Industrial Uses of 71815 ACD/P4QBCB Bearing
71815 ACD/P4QBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71815 ACD/P4QBCB Bearing provides stability in articulated arms, thanks to its light preload and matched arrangement. Its chrome steel construction offers durability in repetitive motion applications.

For medical imaging devices, 71815 ACD/P4QBCB Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The open seal design allows for easy lubrication maintenance in sterile environments.

Automotive vs Aerospace: Applications of 71815 ACD/P4QBCB Bearing
In automotive systems, 71815 ACD/P4QBCB Bearing supports gearbox components, where its high dynamic load capacity enhances performance. The metric sizing ensures compatibility with European car models.

Aerospace applications benefit from 71815 ACD/P4QBCB Bearing’s ability to handle thrust and radial loads in avionics systems. Its temperature range makes it reliable in varying flight conditions.

Q&A

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