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Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCC

Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCC

The 71919 ACD/P4AQBCC is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 27225 lbf and operates smoothly at speeds up to 16000 RPM.

With a 25° contact angle and moderate preload, it offers excellent stability for angular contact applications. The phenolic cage ensures durability and quiet operation, even under demanding conditions.

This bearing comes in a matched set of four, ideal for applications requiring precise alignment and load distribution. Suitable for machine tools or high-speed spindles where accuracy is crucial.

Weighing 2.32kg, it’s designed for temperatures ranging from -30°C to 110°C. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71919 ACD/P4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 27225 lbf
  • Static Radial Load 46800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 2.32 kg
Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCC dimension drawing
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Features

Performance Features of 71919 ACD/P4AQBCC Bearing

71919 ACD/P4AQBCC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability under high dynamic radial loads of up to 27225 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 16,000 rpm, it delivers smooth operation in demanding conditions.

71919 ACD/P4AQBCC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its matched arrangement of four bearings ensures consistent performance and reliability.

The moderate preload (Class C) balances stiffness and smooth operation.
This makes 71919 ACD/P4AQBCC Bearing suitable for high-precision machinery.

Application

Industrial Uses of 71919 ACD/P4AQBCC Bearing
71919 ACD/P4AQBCC 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, 71919 ACD/P4AQBCC Bearing supports high-performance gearboxes, providing smooth power transmission under angular loads. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For robotics, 71919 ACD/P4AQBCC Bearing offers reliable performance in articulated arms, thanks to its P4A tolerance class. The matched set configuration ensures consistent alignment in dynamic movements.

Medical imaging devices benefit from 71919 ACD/P4AQBCC Bearing’s precision, ensuring quiet and vibration-free operation. The chrome steel construction adds durability for long-term use in critical environments.

Q&A

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