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Super Precision Angular Contact Ball Bearings 71917 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71917 ACDGA/P4A

The 71917 ACDGA/P4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 9810 lbf and spins smoothly at speeds up to 28000 RPM.

Its 25° contact angle and extra-light preload ensure precise performance, while the phenolic cage offers quiet operation. The bearing works well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set for flexible arrangements like back-to-back or face-to-face. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.53kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71917 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9810 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.53 kg
  • Price（$） 227.781
Super Precision Angular Contact Ball Bearings 71917 ACDGA/P4A dimension drawing
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Features

Performance Features of 71917 ACDGA/P4A Bearing

71917 ACDGA/P4A Bearing is designed with a 25° contact angle, ideal for handling both radial and axial loads.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage in 71917 ACDGA/P4A Bearing provides stability and reduces friction during high-speed operation.
With a maximum speed of 28,000 rpm, it delivers smooth performance in precision applications.

71917 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload ensures minimal friction, enhancing longevity and reliability.

The dynamic radial load capacity of 9810 lbf makes 71917 ACDGA/P4A Bearing suitable for demanding tasks.
Its precision P4A tolerance class guarantees consistent performance in critical applications.

Application

Industrial Uses of 71917 ACDGA/P4A Bearing
71917 ACDGA/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The extra light preload makes it ideal for applications requiring minimal friction and smooth rotation.

In automotive applications, 71917 ACDGA/P4A Bearing supports components like turbochargers and transmission systems, handling both radial and axial loads efficiently. Its phenolic cage material provides durability under high temperatures and speeds.

For automation equipment, 71917 ACDGA/P4A Bearing is a reliable choice for robotic arms and CNC machines, thanks to its P4A tolerance class. The open design allows for easy lubrication, extending its service life in demanding environments.

Where Is 71917 ACDGA/P4A Bearing Used?
You’ll find 71917 ACDGA/P4A Bearing in aerospace applications, such as helicopter gearboxes, where its high-speed capability and precision are crucial. The chrome steel construction ensures long-term reliability even under extreme conditions.

In medical imaging devices, 71917 ACDGA/P4A Bearing provides smooth and quiet operation, essential for accurate diagnostics. The 25° contact angle helps manage combined loads effectively, making it a versatile choice.

Built for Heavy-Duty Use: 71917 ACDGA/P4A Bearing
71917 ACDGA/P4A Bearing excels in industrial pumps and compressors, handling heavy loads with ease. Its universal matching feature allows for flexible configurations, such as back-to-back or face-to-face arrangements.

For consumer electronics, 71917 ACDGA/P4A Bearing is used in high-performance cooling fans, ensuring quiet and efficient operation. The lubricated design reduces maintenance needs, making it a practical option for long-term use.

Q&A

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