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Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71915 CD/P4AQBCA

The 71915 CD/P4AQBCA is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 21510 lbf and reaches speeds of 36000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability under stress.

The open design allows for easy lubrication, while the extra light preload (Class A) ensures minimal friction. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing offers reliable performance. Weighing 1.4kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings, it’s a practical choice for replacements.

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Product Parameters

  • Part Number 71915 CD/P4AQBCA
  • 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 Extra light / Class A
  • 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/P4AQBCA dimension drawing
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Features

Performance Features of 71915 CD/P4AQBCA Bearing

71915 CD/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of 21510 lbf.

The phenolic cage maintains ball alignment, reducing friction and wear during high-speed operation.
With a maximum speed of 36,000 rpm, it delivers reliable performance in demanding conditions.

71915 CD/P4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures smooth rotation while minimising energy loss.

The matched set of four bearings provides consistent performance in angular contact applications.
Precision P4A tolerance guarantees exceptional accuracy for critical machinery requirements.

Application

Common Applications of 71915 CD/P4AQBCA Bearing
71915 CD/P4AQBCA Bearing is widely 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 aerospace applications, 71915 CD/P4AQBCA Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4A tolerance class. Its chrome steel construction provides durability under extreme conditions.

For robotics, 71915 CD/P4AQBCA Bearing excels in articulated arms, offering smooth movement and long service life. The matched set of four bearings ensures consistent performance in dynamic loads.

Medical imaging devices benefit from 71915 CD/P4AQBCA Bearing’s precision and reliability, ensuring quiet and vibration-free operation. The open design allows for easy lubrication maintenance.

In automotive testing equipment, 71915 CD/P4AQBCA Bearing handles high radial loads while maintaining precision. Its temperature range makes it adaptable to various testing environments.

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