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Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCB

Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCB

The 71915 CD/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 21510 lbf and spins smoothly at speeds up to 36000 RPM.

Its 15° contact angle and light preload ensure precise performance, while the phenolic cage offers quiet operation. The open design allows easy lubrication, making maintenance straightforward.

This bearing comes in a matched set of four, ideal for high-precision applications like machine tool spindles or robotics. It operates reliably in temperatures from -30°C to 110°C.

Weighing 1.4kg, it balances strength and precision, meeting P4A tolerance standards for accuracy. Interchangeable with SKF bearings, it’s a practical choice for replacements.

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Product Parameters

  • Part Number 71915 CD/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 15°
  • 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 21510 lbf
  • Static Radial Load 33750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 1.4 kg
Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCB dimension drawing
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Features

Performance Features of 71915 CD/P4AQBCB Bearing

71915 CD/P4AQBCB Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability and consistent performance under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 21510 lbf, it handles demanding conditions reliably.

71915 CD/P4AQBCB Bearing operates at speeds up to 36,000 rpm, balancing speed and stability.
Its matched arrangement of four bearings ensures uniform load sharing and extended service life.

The light preload (Class B) minimises vibration, making it ideal for high-precision machinery.
Its temperature range of -30°C to 110°C allows for versatile use in various environments.

Application

Essential Roles of 71915 CD/P4AQBCB Bearing
71915 CD/P4AQBCB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched set of four bearings provides stability for demanding operations.

In aerospace applications, 71915 CD/P4AQBCB Bearing supports components like turbine shafts, thanks to its light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance in extreme conditions.

For robotics, 71915 CD/P4AQBCB Bearing is ideal for articulated arms, offering smooth movement and durability. Its P4A tolerance class guarantees precision in repetitive tasks.

Medical imaging devices benefit from 71915 CD/P4AQBCB Bearing’s consistent performance and low vibration. The chrome steel construction ensures long-term reliability in critical environments.

In automation systems, 71915 CD/P4AQBCB Bearing is a reliable choice for high-speed conveyors. Its open design allows for easy lubrication, maintaining efficiency over time.

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