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Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADBD

The 71934 ACD/P4ADBD is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from durable chrome steel. It measures 170mm x 230mm x 56mm, making it a compact yet robust choice for high-precision applications.

This bearing handles heavy radial loads up to 45675 lbf and spins smoothly at speeds up to 16250 RPM. Its 25° contact angle and heavy preload (Class D) ensure stable performance under angular loads.

The open design and phenolic cage allow for easy lubrication and long-lasting use. It comes as a matched set of two bearings (DB arrangement), ideal for applications requiring high accuracy.

Suitable for machine tools or precision equipment, it operates in temperatures from -30°C to 110°C. Weighing 5.7kg, it’s built for reliability in demanding environments. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71934 ACD/P4ADBD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 45675 lbf
  • Static Radial Load 72000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 5.7 kg
Super Precision Angular Contact Ball Bearings 71934 ACD/P4ADBD dimension drawing
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Features

Performance Features of 71934 ACD/P4ADBD Bearing

71934 ACD/P4ADBD Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel construction ensures durability under high dynamic radial loads of up to 45675 lbf.

Its matched arrangement of two bearings (DB) with heavy preload enhances stability in high-speed operations.
The phenolic cage minimises friction, allowing smooth performance at speeds up to 16,250 rpm.

71934 ACD/P4ADBD Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its open design simplifies lubrication, ensuring consistent performance with minimal maintenance.

Application

Industrial Uses of 71934 ACD/P4ADBD Bearing
71934 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for demanding industrial environments.

Where Is 71934 ACD/P4ADBD Bearing Used?
In aerospace applications, 71934 ACD/P4ADBD Bearing supports critical components like turbine shafts, thanks to its high dynamic radial load capacity. The phenolic cage adds durability while reducing friction at high speeds.

Built for Heavy-Duty Use: 71934 ACD/P4ADBD Bearing
71934 ACD/P4ADBD Bearing excels in robotics, particularly in robotic arms requiring precise movement under heavy loads. Its matched arrangement (DB) ensures stability and longevity in continuous operation.

Automotive vs Aerospace: Applications of 71934 ACD/P4ADBD Bearing
In automotive systems, 71934 ACD/P4ADBD Bearing is found in high-performance gearboxes, where its 25° contact angle improves load distribution. For aerospace, it handles the rigorous demands of flight control systems.

Essential Roles of 71934 ACD/P4ADBD Bearing
71934 ACD/P4ADBD Bearing is a reliable choice for medical imaging devices, where its precision and smooth operation are crucial. The chrome steel construction ensures long-term performance in sterile environments.

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