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Super Precision Angular Contact Ball Bearings 71913 CD/P4A

Super Precision Angular Contact Ball Bearings 71913 CD/P4A

The 71913 CD/P4A is a super precision angular contact ball bearing measuring 65mm by 90mm by 13mm, crafted from durable chrome steel. It handles radial loads up to 4680 lbf and reaches speeds of 22,000 RPM, making it suitable for high-performance applications.

With a 15° contact angle and phenolic cage, it offers smooth operation and reduced friction. The open design allows for easy lubrication, ensuring long service life even in demanding conditions.

This bearing operates efficiently in temperatures ranging from -30°C to 110°C. Its P4 tolerance class ensures high precision, ideal for machinery requiring accurate alignment.

Perfect for use in spindle drives or high-speed rotary systems where reliability and precision are key. Weighing just 0.21kg, it balances lightweight design with robust performance.

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Product Parameters

  • Part Number 71913 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.21 kg
  • Price（$） 551.232
Super Precision Angular Contact Ball Bearings 71913 CD/P4A dimension drawing
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Features

Performance Features of 71913 CD/P4A Bearing

71913 CD/P4A Bearing is designed with a 15° contact angle, optimising it for angular contact loads.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 71913 CD/P4A Bearing reduces friction and noise, making it suitable for precision applications.
With a maximum speed of 22,000 rpm, it delivers reliable performance in demanding environments.

71913 CD/P4A Bearing’s P4 tolerance class guarantees high precision and consistent performance.
Its dynamic radial load capacity of 4680 lbf ensures it can handle substantial loads with ease.

The open design of 71913 CD/P4A Bearing simplifies lubrication and maintenance.
It operates efficiently within a temperature range of -30° to 110°C, adapting to various working conditions.

Application

Key Fields for 71913 CD/P4A Bearing
71913 CD/P4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for continuous operation.

In automotive applications, 71913 CD/P4A Bearing supports components like turbochargers and electric motors, handling both radial and axial loads efficiently. Its P4 tolerance class guarantees consistent performance in demanding conditions.

For robotics, 71913 CD/P4A Bearing’s compact size and high-speed capability make it ideal for articulated arms and precision actuators. The chrome steel construction provides durability in repetitive motion scenarios.

In medical imaging devices, 71913 CD/P4A Bearing offers smooth and quiet operation, essential for sensitive diagnostic equipment. The open design allows for easy lubrication, extending service life.

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