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Super Precision Angular Contact Ball Bearings 71918 ACE/P4ADGA
Super Precision Angular Contact Ball Bearings 71918 ACE/P4ADGA

Super Precision Angular Contact Ball Bearings 71918 ACE/P4ADGA

The 71918 ACE/P4ADGA is a super precision angular contact ball bearing with a 90mm bore and 125mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10530 lbf and operates smoothly at speeds up to 15000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures durability while keeping the bearing lightweight at 1.08kg.

This bearing is lubricated for easy maintenance and works in temperatures from -30°C to 110°C. It meets P4A tolerance standards for precise performance.

Ideal for high-speed applications like machine tool spindles or precision equipment where accuracy and reliability are key. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71918 ACE/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • 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 10530 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.08 kg

Features

Performance Features of 71918 ACE/P4ADGA Bearing

71918 ACE/P4ADGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to radial and thrust loads, ensuring reliable performance.

The phenolic cage in 71918 ACE/P4ADGA Bearing enhances stability and reduces friction during high-speed operation.
With a maximum speed of 15,000 rpm, it delivers smooth and efficient performance in precision applications.

71918 ACE/P4ADGA Bearing’s universal matching design allows flexible arrangement options, including back-to-back and face-to-face configurations.
Its extra light preload ensures minimal friction, extending service life and reducing maintenance needs.

The P4A tolerance class of 71918 ACE/P4ADGA Bearing guarantees high precision, making it suitable for demanding industrial tasks.
Its wide temperature range from -30°C to 110°C ensures consistent performance in various operating conditions.

Application

Common Applications of 71918 ACE/P4ADGA Bearing
In precision machine tools, 71918 ACE/P4ADGA Bearing ensures smooth operation with its angular contact design, ideal for high-speed spindles. The universal matching feature allows flexible arrangements to suit various load requirements.

Where Is 71918 ACE/P4ADGA Bearing Used?
You’ll often find 71918 ACE/P4ADGA Bearing in aerospace applications, where its extra-light preload enhances performance in flight control systems. The phenolic cage offers durability while reducing friction.

Built for Heavy-Duty Use: 71918 ACE/P4ADGA Bearing
This bearing excels in industrial robotics, handling radial and axial loads with ease. Its P4A tolerance class guarantees precision in demanding environments like automated assembly lines.

Automotive vs Aerospace: Applications of 71918 ACE/P4ADGA Bearing
In automotive systems, 71918 ACE/P4ADGA Bearing supports high-performance gearboxes, while in aerospace, it’s trusted for turbine engines. The chrome steel construction ensures reliability in both fields.

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