Super Precision Angular Contact Ball Bearings 71911 ACEGA/P4AH1

Super Precision Angular Contact Ball Bearings 71911 ACEGA/P4AH1

The 71911 ACEGA/P4AH1 is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular contact loads, offering smooth operation at speeds up to 39,000 RPM.

Its open design and phenolic cage ensure durability and easy maintenance, while the extra light preload (Class A) enhances precision. The bearing can handle dynamic radial loads up to 3330 lbf and operates efficiently in temperatures from -30°C to 110°C.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives where accuracy and speed are crucial.

Weighing just 0.17kg, it’s lightweight yet robust, meeting P4A tolerance standards for exceptional performance. Compatible with SKF bearings, making it a versatile choice for replacements or upgrades.

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Product Parameters

  • Part Number 71911 ACEGA/P4AH1
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 21
  • 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 3330 lbf
  • Static Radial Load 2250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 39000 rpm
  • Weight 0.17 kg

Features

Performance Features of 71911 ACEGA/P4AH1 Bearing

71911 ACEGA/P4AH1 Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 3330 lbf, it performs reliably in high-speed applications.
The extra light preload (Class A) enhances precision, making it suitable for demanding tasks.

71911 ACEGA/P4AH1 Bearing operates smoothly at speeds up to 39,000 rpm.
Its open design allows for easy lubrication, ensuring consistent performance.

The P4A tolerance class guarantees high precision, meeting strict industry standards.
This bearing is versatile, supporting universal matching in various configurations.

Application

Industrial Uses of 71911 ACEGA/P4AH1 Bearing
71911 ACEGA/P4AH1 Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its service life in demanding conditions.

In automotive applications, 71911 ACEGA/P4AH1 Bearing supports components like electric motors and gearboxes, handling both radial and axial loads smoothly. Its extra light preload makes it ideal for systems requiring minimal friction.

For automation and robotics, 71911 ACEGA/P4AH1 Bearing’s phenolic cage and chrome steel construction provide durability in repetitive motion tasks. The high-speed capability ensures reliable operation in robotic arms and CNC machines.

Medical imaging devices benefit from 71911 ACEGA/P4AH1 Bearing’s precision, ensuring smooth rotation in scanners and diagnostic equipment. The P4A tolerance class guarantees consistent performance in critical healthcare settings.

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