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Super Precision Angular Contact Ball Bearings 71901 ACD/P4A

Super Precision Angular Contact Ball Bearings 71901 ACD/P4A

The 71901 ACD/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 handles radial loads up to 574 lbf, spinning smoothly at speeds up to 95,000 RPM.

Its open design and phenolic cage ensure low friction and easy maintenance, while the P4 tolerance class guarantees high accuracy. The bearing operates well in temperatures from -30°C to 110°C.

Ideal for high-speed applications like machine tool spindles or precision instruments, it offers reliable performance under angular loads. Weighing just 0.01kg, it’s lightweight yet robust for its size.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Preload options are available for tailored performance needs.

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Product Parameters

  • Part Number 71901 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • 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 574 lbf
  • Static Radial Load 266 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 95000 rpm
  • Weight 0.01 kg
  • Price（$） 94.896
Super Precision Angular Contact Ball Bearings 71901 ACD/P4A dimension drawing
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Features

Why Choose 71901 ACD/P4A Bearing for Precision Tasks?

71901 ACD/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel construction ensures durability and smooth operation in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 95,000 rpm, it excels in demanding environments.

71901 ACD/P4A Bearing’s P4 tolerance class guarantees high accuracy for critical tasks.
Its compact size (12 mm×24 mm×6 mm) makes it suitable for space-constrained applications.

Application

How Does 71901 ACD/P4A Bearing Improve Performance?
71901 ACD/P4A Bearing is commonly used in high-speed machine spindles, where its 25° contact angle helps manage both radial and axial loads efficiently. The open design and phenolic cage contribute to smooth operation at speeds up to 95,000 rpm.

In robotics, 71901 ACD/P4A Bearing ensures precise movement in articulated arms, thanks to its P4 tolerance class. Its compact size (12 mm×24 mm×6 mm) makes it ideal for space-constrained applications.

For medical imaging devices, 71901 ACD/P4A Bearing’s chrome steel construction provides durability and consistent performance. The lubricated design reduces friction, ensuring quiet operation in sensitive environments.

In automotive applications, 71901 ACD/P4A Bearing supports components like turbochargers, where high-speed rotation is critical. Its dynamic radial load capacity of 574 lbf ensures reliability under demanding conditions.

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