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Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBA

The 71901 ACD/P4ADBA 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 extra-light preload ensures minimal friction. Ideal for high-precision applications like machine tool spindles or dental equipment.

Weighing just 0.02kg, it’s lightweight yet robust. Compliant with P4A tolerance standards for exceptional accuracy. The matched pair setup provides stability for angular contact loads.

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Product Parameters

  • Part Number 71901 ACD/P4ADBA
  • 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 Extra light / Class A
  • 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
  • Price（$） 16.965
Super Precision Angular Contact Ball Bearings 71901 ACD/P4ADBA dimension drawing
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Features

Engineered for Precision: 71901 ACD/P4ADBA Bearing

71901 ACD/P4ADBA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage enhances smooth operation.

With a dynamic radial load capacity of 936 lbf, it handles demanding tasks efficiently.
The extra light preload (Class A) ensures minimal friction and improved performance.

Designed for high-speed applications, it supports speeds up to 140,000 rpm.
Its open seal type allows easy lubrication, maintaining consistent performance.

The matched arrangement of two bearings (DB) provides stability in precision setups.
Its compact size (12 mm×24 mm×12 mm) makes it ideal for space-constrained applications.

Application

Key Fields for 71901 ACD/P4ADBA Bearing
71901 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment and smooth rotation. The extra light preload makes it suitable for applications requiring minimal friction and high-speed operation.

In robotics, 71901 ACD/P4ADBA Bearing supports articulated arms and joints, providing stability and precision in repetitive movements. Its phenolic cage offers durability while maintaining low weight for efficient performance.

For medical imaging devices, 71901 ACD/P4ADBA Bearing’s chrome steel construction ensures reliability in critical applications. The P4A tolerance class guarantees consistent performance, even under demanding conditions.

Automotive applications like electric motor shafts benefit from 71901 ACD/P4ADBA Bearing’s ability to handle combined radial and axial loads. The matched arrangement of two bearings enhances stability in high-speed scenarios.

In aerospace systems, 71901 ACD/P4ADBA Bearing’s lightweight design and high-speed capability make it a preferred choice for instrumentation and control mechanisms. The wide temperature range ensures performance in varying environmental conditions.

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