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Super Precision Angular Contact Ball Bearings 71910 ACE/P4A

Super Precision Angular Contact Ball Bearings 71910 ACE/P4A

The 71910 ACE/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 2722 lbf and spins smoothly at speeds up to 36,000 RPM.

With a 25° contact angle and preload option, it offers excellent stability for high-speed applications. The open design and phenolic cage ensure durability and easy maintenance.

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

Weighing just 0.13kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71910 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.13 kg
  • Price（$） 371.556
Super Precision Angular Contact Ball Bearings 71910 ACE/P4A dimension drawing
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Features

Performance Features of 71910 ACE/P4A Bearing

71910 ACE/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 2722 lbf, 71910 ACE/P4A Bearing handles demanding conditions reliably.
The P4 tolerance class (ABEC-7) ensures high precision, making it suitable for critical applications.

71910 ACE/P4A Bearing operates at speeds up to 36,000 rpm without compromising performance.
Its temperature range of -30° to 110°C allows for versatile use in various environments.

Application

How Does 71910 ACE/P4A Bearing Improve Performance?
71910 ACE/P4A Bearing is commonly used in high-speed machine tools, where its 25° contact angle helps manage both radial and axial loads efficiently. The phenolic cage reduces friction, making it suitable for precision operations.

In automotive applications, 71910 ACE/P4A Bearing enhances performance in gearboxes and electric motors, thanks to its P4 tolerance class. Its chrome steel construction ensures durability even under demanding conditions.

For robotics, 71910 ACE/P4A Bearing provides smooth motion in robotic arms and automated systems. The open design allows for easy lubrication, maintaining performance over long periods.

In medical imaging devices, 71910 ACE/P4A Bearing offers reliable precision, crucial for accurate diagnostics. Its high-speed capability and low friction make it ideal for sensitive equipment.

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