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Super Precision Angular Contact Ball Bearings 71910 ACE/P4ADBB

Super Precision Angular Contact Ball Bearings 71910 ACE/P4ADBB

The 71910 ACE/P4ADBB is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 4478 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and matched arrangement (2 bearings DB) ensure smooth operation under angular loads. The phenolic cage offers stability, while the open design allows for easy lubrication.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and speed are key. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.26kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71910 ACE/P4ADBB
  • 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 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.26 kg
Super Precision Angular Contact Ball Bearings 71910 ACE/P4ADBB dimension drawing
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Features

Why Choose 71910 ACE/P4ADBB Bearing for Precision Tasks?

71910 ACE/P4ADBB Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4478 lbf.

The matched arrangement of two bearings provides stability, making it suitable for demanding tasks.
With a maximum speed of 46,000 rpm, it balances performance and reliability in high-speed environments.

Phenolic cage material reduces friction, enhancing the bearing’s efficiency.
Its P4A tolerance class ensures consistent precision, ideal for critical applications.

Application

Industrial Uses of 71910 ACE/P4ADBB Bearing
This bearing is commonly used in high-speed machine tools, where its precision and angular contact design help maintain accuracy during operations. The matched arrangement ensures stability in demanding industrial environments.

Where Is 71910 ACE/P4ADBB Bearing Used?
You’ll find it in automotive applications like electric motors and gearboxes, where its light preload and high-speed capability improve performance. The phenolic cage reduces friction, making it efficient for long-term use.

Built for Heavy-Duty Use: 71910 ACE/P4ADBB Bearing
In robotics and automation, this bearing supports smooth movement in robotic arms and CNC machines. Its chrome steel construction offers durability, while the open design allows for easy lubrication.

Medical vs Industrial: Where 71910 ACE/P4ADBB Bearing Excels
While it’s reliable in industrial settings, it also suits medical devices like dental drills, where precision is key. The P4A tolerance class ensures consistent performance in sensitive applications.

Perfect Fit for Automation: 71910 ACE/P4ADBB Bearing
This bearing works well in 3D printers and assembly lines, thanks to its high-speed tolerance and low friction. The matched set design reduces vibration, enhancing overall efficiency.

Q&A

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