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Super Precision Angular Contact Ball Bearings 71910 ACDGA/P4A

Super Precision Angular Contact Ball Bearings 71910 ACDGA/P4A

The 71910 ACDGA/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for angular loads, handling up to 2858 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 46,000 RPM, while the extra light preload enhances precision. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model 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 tool spindles or aerospace components.

Weighing just 0.13kg, it’s lightweight yet durable, and interchangeable with SKF bearings for easy replacement. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71910 ACDGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 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 3
  • 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 2858 lbf
  • Static Radial Load 2205 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
  • Price（$） 12.492
Super Precision Angular Contact Ball Bearings 71910 ACDGA/P4A dimension drawing
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Features

Performance Features of 71910 ACDGA/P4A Bearing

71910 ACDGA/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 2858 lbf.

The phenolic cage in 71910 ACDGA/P4A Bearing reduces friction, allowing for high-speed performance up to 46,000 rpm.
Precision P4A tolerance ensures reliable operation in demanding environments.

71910 ACDGA/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design and lubrication compatibility make it suitable for various industrial applications.

With a lightweight design at 0.13 kg, 71910 ACDGA/P4A Bearing offers easy handling without compromising strength.
The universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

Application

Common Applications of 71910 ACDGA/P4A Bearing
71910 ACDGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The phenolic cage reduces friction, making it suitable for continuous operation.

In robotics, 71910 ACDGA/P4A Bearing provides smooth motion control for articulated arms and joints. Its extra light preload helps maintain precision in repetitive tasks.

For medical imaging devices, 71910 ACDGA/P4A Bearing’s chrome steel construction offers reliability in high-resolution scanners. The P4A tolerance class ensures consistent performance in critical applications.

Where Is 71910 ACDGA/P4A Bearing Used?
You’ll often find 71910 ACDGA/P4A Bearing in CNC machining centres, where its high-speed capability and radial load handling are essential. The open design allows for easy lubrication and maintenance.

In aerospace applications, 71910 ACDGA/P4A Bearing supports components like gyroscopes and flight control systems. Its temperature range makes it reliable in varying operational conditions.

Built for Heavy-Duty Use: 71910 ACDGA/P4A Bearing
71910 ACDGA/P4A Bearing excels in industrial pumps, handling both radial and axial loads with ease. The chrome steel rings and balls provide long-lasting durability.

For electric motors, 71910 ACDGA/P4A Bearing ensures quiet and efficient operation. Its 46,000 rpm max speed makes it ideal for high-performance applications.

Automotive vs Aerospace: Applications of 71910 ACDGA/P4A Bearing
In automotive systems, 71910 ACDGA/P4A Bearing is used in turbochargers, where its high-speed capability is crucial. The angular contact design handles thrust loads effectively.

For aerospace, 71910 ACDGA/P4A Bearing supports critical components like landing gear mechanisms. Its precision and reliability are key in demanding environments.

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