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Super Precision Angular Contact Ball Bearings 71913 ACE/P4A

Super Precision Angular Contact Ball Bearings 71913 ACE/P4A

The 71913 ACE/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and can handle dynamic radial loads up to 3510 lbf.

Designed for high-speed applications, it spins smoothly at up to 28,000 RPM. The phenolic cage ensures durability and reduces friction, while the open design allows for easy lubrication.

This bearing is ideal for precision machinery like CNC spindles or high-performance motors, where accuracy and speed are crucial. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.2kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings, making it a reliable choice for replacements.

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Product Parameters

  • Part Number 71913 ACE/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 24
  • Contact Angle 25°
  • 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 3510 lbf
  • Static Radial Load 2610 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.2 kg
  • Price（$） 551.466
Super Precision Angular Contact Ball Bearings 71913 ACE/P4A dimension drawing
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Features

Performance Features of 71913 ACE/P4A Bearing

71913 ACE/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability under dynamic radial loads up to 3510 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 28,000 rpm, it delivers reliable performance in precision tasks.

71913 ACE/P4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures high precision, making it suitable for demanding industrial applications.

Application

Essential Roles of 71913 ACE/P4A Bearing
71913 ACE/P4A Bearing is commonly used in high-speed machine tools, where its 25° contact angle ensures smooth operation under radial and axial loads. The phenolic cage reduces friction, making it suitable for precision applications.

Where Is 71913 ACE/P4A Bearing Used?
In automotive applications, 71913 ACE/P4A Bearing supports components like wheel hubs and transmissions, thanks to its high dynamic load capacity. Its metric sizing ensures compatibility with a variety of vehicle designs.

Optimized for Performance: 71913 ACE/P4A Bearing
For robotics and automation, 71913 ACE/P4A Bearing provides reliable performance in robotic arms and CNC machines. The open design allows for easy lubrication, extending its service life.

Medical vs Industrial: Where 71913 ACE/P4A Bearing Excels
In medical imaging devices, 71913 ACE/P4A Bearing offers quiet and precise movement, while in industrial settings, it handles heavy loads in compressors and pumps. Its chrome steel construction ensures durability in both environments.

Practical Applications of 71913 ACE/P4A Bearing
71913 ACE/P4A Bearing is ideal for aerospace applications, such as helicopter rotor systems, where its high-speed capability and precision are crucial. The P4 tolerance class guarantees consistent performance under demanding conditions.

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