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Super Precision Angular Contact Ball Bearings 71915 ACEGA/P4A

Super Precision Angular Contact Ball Bearings 71915 ACEGA/P4A

The 71915 ACEGA/P4A is a super precision angular contact ball bearing with a 75mm bore and 105mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and is designed for angular contact loads, handling up to 4770 lbf dynamically.

With an extra light preload and P4A tolerance class, it ensures smooth operation at speeds up to 22,000 RPM. The open design and phenolic cage make it easy to maintain while offering reliable performance.

This bearing is interchangeable with SKF models and comes in a matched set of two, suitable for universal matching configurations. Ideal for high-precision applications like machine tool spindles or robotics.

Weighing 0.34kg, it operates efficiently in temperatures from -30°C to 110°C, making it a versatile choice for demanding environments.

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Product Parameters

  • Part Number 71915 ACEGA/P4A
  • 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 16 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 9.525 mm
  • Ball Qty 23
  • 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 4770 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.34 kg
  • Price（$） 176.562
Super Precision Angular Contact Ball Bearings 71915 ACEGA/P4A dimension drawing
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Features

Performance Features of 71915 ACEGA/P4A Bearing

71915 ACEGA/P4A Bearing is designed for precision applications with a 25° contact angle, ensuring accurate load distribution.
Its chrome steel rings and balls provide durability, while the phenolic cage reduces friction for smoother operation.

The bearing handles dynamic radial loads up to 4770 lbf, making it suitable for high-performance machinery.
With a maximum speed of 22,000 rpm, it maintains stability even at high rotational speeds.

71915 ACEGA/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its extra light preload ensures minimal resistance, enhancing overall performance.

The open design allows for easy lubrication, reducing maintenance requirements.
Its universal matching capability makes it versatile for various mounting configurations.

Application

Common Applications of 71915 ACEGA/P4A Bearing
71915 ACEGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The extra light preload makes it suitable for applications requiring minimal friction and smooth operation.

In robotics, 71915 ACEGA/P4A Bearing supports articulated arms and joints, providing stability and durability during repetitive movements. Its phenolic cage material helps reduce weight while maintaining strength.

For medical imaging devices, 71915 ACEGA/P4A Bearing’s chrome steel construction offers reliable performance in high-precision environments. The P4A tolerance class ensures consistent accuracy, which is essential for diagnostic equipment.

Where Is 71915 ACEGA/P4A Bearing Used?
71915 ACEGA/P4A Bearing can be found in aerospace applications, such as helicopter rotor systems, where its ability to handle combined loads is crucial. The open design allows for effective lubrication, extending service life.

In industrial automation, 71915 ACEGA/P4A Bearing is often used in CNC machinery, where its high-speed capability and precision are key. The tandem arrangement option provides flexibility for different load requirements.

Built for Heavy-Duty Use: 71915 ACEGA/P4A Bearing
71915 ACEGA/P4A Bearing excels in heavy-duty applications like gearboxes, where its dynamic radial load capacity ensures long-term reliability. The 25° contact angle optimises performance under angular loads.

For electric motors, 71915 ACEGA/P4A Bearing’s high-speed rating and low friction make it a dependable choice. The lubricated design further enhances its efficiency and longevity.

Automotive vs Aerospace: Applications of 71915 ACEGA/P4A Bearing
In automotive systems, 71915 ACEGA/P4A Bearing is used in high-performance transmissions, where its precision and durability are vital. The metric sizing ensures compatibility with various vehicle designs.

For aerospace, 71915 ACEGA/P4A Bearing’s ability to withstand extreme conditions makes it ideal for flight control systems. The universal matching option allows for custom configurations to meet specific needs.

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