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Super Precision Angular Contact Ball Bearings 71926 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71926 ACD/P4ADBC

The 71926 ACD/P4ADBC is a super precision angular contact ball bearing with a 130mm bore and 180mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 31500 lbf and operates smoothly at speeds up to 7500 RPM.

Its 25° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads. The phenolic cage ensures quiet, long-lasting performance, even in demanding conditions.

This bearing is lubricated for easy maintenance and works well in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed robotics.

Weighing 3.1kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, offering reliable interchangeability with SKF bearings.

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Product Parameters

  • Part Number 71926 ACD/P4ADBC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 130 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 180 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 27
  • 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 31500 lbf
  • Static Radial Load 45900 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 3.1 kg
Super Precision Angular Contact Ball Bearings 71926 ACD/P4ADBC dimension drawing
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Features

Performance Features of 71926 ACD/P4ADBC Bearing

71926 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 31,500 lbf, it handles demanding conditions reliably.
The matched arrangement of two bearings provides stability and balanced performance.

Operating at speeds up to 7,500 rpm, it maintains efficiency without compromising precision.
Its P4A tolerance class ensures consistent performance in high-accuracy applications.

Application

Industrial Uses of 71926 ACD/P4ADBC Bearing
71926 ACD/P4ADBC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In automotive applications, 71926 ACD/P4ADBC Bearing supports high-performance gearboxes, particularly in racing or luxury vehicles. Its phenolic cage reduces friction, enhancing efficiency at high speeds.

For robotics, 71926 ACD/P4ADBC Bearing is ideal for articulated arms requiring smooth, precise movement. The matched bearing arrangement provides consistent load distribution in dynamic applications.

Medical imaging devices benefit from 71926 ACD/P4ADBC Bearing’s low noise and vibration characteristics. The P4A tolerance class ensures reliability in sensitive diagnostic equipment.

In aerospace systems, 71926 ACD/P4ADBC Bearing handles both radial and axial loads in flight control mechanisms. Its chrome steel construction withstands extreme conditions without compromising performance.

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