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Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71919 ACD/P4AQBCA

The 71919 ACD/P4AQBCA is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 27225 lbf and spins smoothly at speeds up to 16000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring long-lasting performance in temperatures from -30°C to 110°C.

This bearing comes in a matched set of four, preloaded for extra light operation, making it ideal for high-precision applications like machine tools or spindle systems. Its P4A tolerance class ensures consistent accuracy.

Weighing 2.32kg, it’s a robust choice for demanding environments. Interchangeable with SKF bearings, it’s a reliable option for replacements or upgrades.

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Product Parameters

  • Part Number 71919 ACD/P4AQBCA
  • 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 Extra light / Class A
  • 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/P4AQBCA dimension drawing
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Features

Performance Features of 71919 ACD/P4AQBCA Bearing

71919 ACD/P4AQBCA 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 27225 lbf, it handles demanding conditions reliably.
The extra light preload (Class A) enhances performance in high-speed operations up to 16,000 rpm.

The matched arrangement of four bearings (QBC) ensures consistent performance in angular contact applications.
Its tight tolerances (P4A) make it suitable for precision machinery requiring minimal deviation.

71919 ACD/P4AQBCA Bearing operates efficiently within a temperature range of -30°C to 110°C.
The lubricated design reduces maintenance needs, ensuring smooth operation over extended periods.

Application

Common Applications of 71919 ACD/P4AQBCA Bearing
71919 ACD/P4AQBCA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The matched set of four bearings provides stability in demanding operations.

In aerospace applications, 71919 ACD/P4AQBCA Bearing supports components like turbine shafts, thanks to its extra-light preload and high-speed capability. The phenolic cage reduces friction, enhancing performance.

For robotics, 71919 ACD/P4AQBCA Bearing’s P4A tolerance class makes it ideal for robotic arms requiring precise movement. Its chrome steel construction ensures durability even in continuous operation.

Medical imaging devices benefit from 71919 ACD/P4AQBCA Bearing’s smooth operation and low noise. The lubricated design minimises maintenance, making it reliable for critical equipment.

In automotive testing rigs, 71919 ACD/P4AQBCA Bearing handles high dynamic loads with ease. Its metric sizing ensures compatibility with a range of European and Asian machinery.

Q&A

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