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Super Precision Angular Contact Ball Bearings 71901 ACEGB/P4A

Super Precision Angular Contact Ball Bearings 71901 ACEGB/P4A

The 71901 ACEGB/P4A is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 6mm, crafted from durable chrome steel. It features a 25° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 457 lbf and can reach speeds of 140,000 RPM, making it suitable for high-performance machinery. Its open design allows for easy lubrication, ensuring smooth operation.

With a phenolic cage, it offers quiet and efficient performance. The bearing is universal matching, allowing for back-to-back, face-to-face, or tandem arrangements.

Ideal for precision equipment like spindles or small motors, it operates in temperatures from -30°C to 110°C. Weighing just 0.01kg, it’s lightweight yet robust for its size. Compliant with P4A tolerance standards for high accuracy.

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Product Parameters

  • Part Number 71901 ACEGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 12
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 457 lbf
  • Static Radial Load 191 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.01 kg
Super Precision Angular Contact Ball Bearings 71901 ACEGB/P4A dimension drawing
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Features

Performance Features of 71901 ACEGB/P4A Bearing

71901 ACEGB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 457 lbf, it handles demanding conditions efficiently.
The P4A tolerance class guarantees high precision, making it suitable for applications requiring exacting standards.

71901 ACEGB/P4A Bearing operates at speeds up to 140,000 rpm, offering both performance and reliability.
Its compact size (12 mm×24 mm×6 mm) makes it ideal for space-constrained installations.

The bearing comes pre-lubricated, reducing initial setup time and maintenance needs.
Its temperature range of -30°C to 110°C ensures consistent performance in various environments.

Application

Common Applications of 71901 ACEGB/P4A Bearing
71901 ACEGB/P4A Bearing is widely used in high-speed machine tools, where its precision and light preload ensure smooth operation. The open design and phenolic cage make it suitable for applications requiring minimal friction.

In robotics, 71901 ACEGB/P4A Bearing supports precise movements in joints and arms, thanks to its angular contact design. Its compact size and high-speed capability make it ideal for automated systems.

For medical imaging devices, 71901 ACEGB/P4A Bearing’s chrome steel construction provides reliable performance. The P4A tolerance class ensures accuracy in critical diagnostic equipment.

Where Is 71901 ACEGB/P4A Bearing Used?
You’ll often find 71901 ACEGB/P4A Bearing in dental drills, where its high-speed performance and precision are essential. The light preload helps maintain consistent operation during prolonged use.

In aerospace applications, 71901 ACEGB/P4A Bearing handles angular loads in control systems. Its temperature range and durability make it a dependable choice for demanding environments.

Built for Versatility: 71901 ACEGB/P4A Bearing
71901 ACEGB/P4A Bearing works well in 3D printers, providing smooth linear motion with its angular contact design. The phenolic cage reduces vibration, improving print quality.

For small electric motors, 71901 ACEGB/P4A Bearing offers reliable support with its high-speed capability. Its compact dimensions fit neatly into tight spaces without compromising performance.

Automotive vs Aerospace: Applications of 71901 ACEGB/P4A Bearing
In automotive steering systems, 71901 ACEGB/P4A Bearing ensures precise control with its angular contact feature. The high-speed rating suits both standard and performance vehicles.

Aerospace applications benefit from 71901 ACEGB/P4A Bearing’s lightweight and durability. Its ability to handle varying loads makes it suitable for flight control mechanisms.

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