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Super Precision Angular Contact Ball Bearings 71912 ACE/P4A

Super Precision Angular Contact Ball Bearings 71912 ACE/P4A

The 71912 ACE/P4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3442 lbf and spins smoothly at speeds up to 30,000 RPM.

Its 25° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows for easy lubrication. The bearing operates well in temperatures from -30°C to 110°C.

This model meets P4 (ABEC-7) tolerance standards, making it suitable for high-precision applications like machine tools or spindle drives. Weighing just 0.19kg, it’s lightweight yet robust for its size.

Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades in demanding environments. Ideal for scenarios where precision and speed are key.

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Product Parameters

  • Part Number 71912 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 3442 lbf
  • Static Radial Load 2475 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 30000 rpm
  • Weight 0.19 kg
  • Price（$） 51.21
Super Precision Angular Contact Ball Bearings 71912 ACE/P4A dimension drawing
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Features

Why Choose 71912 ACE/P4A Bearing for Precision Tasks?

71912 ACE/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 3442 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 30,000 rpm, it excels in high-speed scenarios while maintaining precision.

Designed for temperatures from -30° to 110°C, 71912 ACE/P4A Bearing adapts to varied working conditions.
Its P4 tolerance class (ABEC-7) guarantees exceptional accuracy for demanding tasks.

Application

Key Fields for 71912 ACE/P4A Bearing
71912 ACE/P4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, making it suitable for continuous operation.

In robotics, 71912 ACE/P4A Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage reduces friction, enhancing durability in repetitive tasks.

For aerospace applications, 71912 ACE/P4A Bearing handles radial and axial loads in components like landing gear systems. The chrome steel construction ensures it can withstand demanding conditions.

In medical imaging devices, 71912 ACE/P4A Bearing offers quiet and precise rotation. Its P4 tolerance class guarantees the high accuracy needed for sensitive equipment.

Q&A

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