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Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCA

The 71913 CD/P4AQBCA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of four bearings for extra stability.

This bearing handles radial loads up to 12150 lbf and spins smoothly at speeds up to 31000 RPM. Its phenolic cage ensures quiet operation and long service life, even under high-speed conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for applications like machine tool spindles or high-precision industrial equipment.

Weighing 0.84kg, it operates efficiently in temperatures from -30°C to 110°C. The matched set arrangement ensures consistent performance across all four bearings.

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Product Parameters

  • Part Number 71913 CD/P4AQBCA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 52 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 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 12150 lbf
  • Static Radial Load 15075 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.84 kg
Super Precision Angular Contact Ball Bearings 71913 CD/P4AQBCA dimension drawing
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Features

Performance Features of 71913 CD/P4AQBCA Bearing

71913 CD/P4AQBCA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.
With a dynamic radial load capacity of 12150 lbf, it handles demanding conditions reliably.
The P4A tolerance class guarantees high precision, making it suitable for critical machinery.

Application

Essential Roles of 71913 CD/P4AQBCA Bearing
71913 CD/P4AQBCA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The extra light preload makes it suitable for applications requiring minimal friction and high-speed operation.

In aerospace components, 71913 CD/P4AQBCA Bearing provides reliable performance in systems like gyroscopes and navigation instruments. Its phenolic cage material offers stability under varying temperatures and loads.

For robotics, 71913 CD/P4AQBCA Bearing supports smooth movement in articulated arms and joints. The matched arrangement of four bearings enhances load distribution, making it ideal for repetitive motion tasks.

In medical imaging devices, 71913 CD/P4AQBCA Bearing’s chrome steel construction ensures durability and precision. The P4A tolerance class guarantees consistent performance in sensitive diagnostic equipment.

Automotive applications like high-performance transmissions benefit from 71913 CD/P4AQBCA Bearing’s ability to handle dynamic radial loads. Its lubricated design reduces wear, extending the lifespan of critical drivetrain components.

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