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Super Precision Angular Contact Ball Bearings 71915 ACD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71915 ACD/P4AQBCB

The 71915 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 operates smoothly at speeds up to 22000 RPM.

With a 25° contact angle and light preload, it offers excellent stability for high-precision applications. The phenolic cage ensures quiet operation and long service life.

This set includes four matched bearings, ideal for applications requiring tight tolerances, such as machine tool spindles or high-speed motors. It works well in temperatures from -30°C to 110°C.

Weighing 1.4kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 71915 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 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 20340 lbf
  • Static Radial Load 31500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 1.4 kg
Super Precision Angular Contact Ball Bearings 71915 ACD/P4AQBCB dimension drawing
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Features

Performance Features of 71915 ACD/P4AQBCB Bearing

71915 ACD/P4AQBCB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and high performance under dynamic radial loads up to 20340 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 22,000 rpm, it delivers reliable performance in high-speed applications.

71915 ACD/P4AQBCB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in demanding conditions.

The matched arrangement of four bearings provides stability and balanced load handling.
Light preload class B further enhances its precision and longevity.

Application

Key Fields for 71915 ACD/P4AQBCB Bearing
71915 ACD/P4AQBCB 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, 71915 ACD/P4AQBCB Bearing provides stability for articulated arms, thanks to its matched arrangement and light preload. The chrome steel construction offers durability in repetitive motion applications.

For aerospace components, 71915 ACD/P4AQBCB Bearing handles radial and axial loads efficiently, ideal for gearbox systems. Its P4A tolerance class guarantees consistent performance under demanding conditions.

Medical imaging devices benefit from 71915 ACD/P4AQBCB Bearing’s smooth operation, ensuring precise movement in scanners. The lubricated design minimises maintenance needs in sterile environments.

Q&A

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