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Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBC

The 71901 ACD/P4ADBC is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 12mm, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 936 lbf and spins smoothly at speeds up to 140,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is key.

Weighing just 0.02kg, this lightweight yet robust bearing operates reliably in temperatures from -30°C to 110°C. It’s interchangeable with SKF bearings, making it a practical choice for replacements.

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Product Parameters

  • Part Number 71901 ACD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 936 lbf
  • Static Radial Load 531 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 140000 rpm
  • Weight 0.02 kg
Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBC dimension drawing
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Features

Performance Features of 71901 ACD/P4ADBC Bearing

71901 ACD/P4ADBC 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 minimises friction and wear.

With a dynamic radial load capacity of 936 lbf, it handles demanding conditions with ease.
The P4A tolerance class guarantees high precision, making it suitable for super precision tasks.

Operating at speeds up to 140,000 rpm, 71901 ACD/P4ADBC Bearing maintains smooth performance.
Its moderate preload (Class C) ensures stability, reducing vibration in high-speed applications.

The matched arrangement of two bearings (DB) enhances rigidity and load-sharing.
Lubricated for longevity, it performs reliably within a temperature range of -30°C to 110°C.

Application

Industrial Uses of 71901 ACD/P4ADBC Bearing
71901 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The moderate preload helps maintain stability during high-speed operations.

In automotive applications, 71901 ACD/P4ADBC Bearing supports components like electric motors and gearboxes, offering reliable performance under varying loads. Its metric sizing makes it a versatile choice for many vehicle models.

For automation systems, 71901 ACD/P4ADBC Bearing is ideal for robotic arms and CNC machines, thanks to its phenolic cage reducing friction. The open seal design allows for easy lubrication, extending service life.

Medical imaging devices benefit from 71901 ACD/P4ADBC Bearing’s precision, ensuring smooth operation in scanners and diagnostic equipment. The chrome steel construction provides durability in sterile environments.

In consumer electronics, 71901 ACD/P4ADBC Bearing can be found in high-speed printers and small motors, where its compact size and performance are advantageous. The P4A tolerance class guarantees consistent quality.

Q&A

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