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Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4ADT

Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4ADT

The 71934 ACD/HCP4ADT is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, designed for high-performance applications. Its 25° contact angle and matched arrangement of two bearings provide excellent stability under angular loads.

Made from chrome steel rings and ceramic balls, it handles dynamic radial loads up to 45675 lbf and spins smoothly at speeds up to 16250 RPM. The phenolic cage ensures quiet operation and long service life.

Preloaded for precision, this bearing is ideal for machine tools or high-speed spindles where accuracy is crucial. It operates in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Weighing 4.69kg, it’s robust yet suitable for precision engineering. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71934 ACD/HCP4ADT
  • 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 << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • 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 4.69 kg
Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4ADT dimension drawing
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Features

Performance Features of 71934 ACD/HCP4ADT Bearing

71934 ACD/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 16,250 rpm.
With a dynamic radial load capacity of 45,675 lbf, it handles demanding conditions reliably.

Preload availability in matched sets improves precision and stability.
The P4A tolerance class guarantees consistent performance in high-accuracy applications.

71934 ACD/HCP4ADT Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, ensuring long service life with minimal maintenance.

Application

Industrial Uses of 71934 ACD/HCP4ADT Bearing
71934 ACD/HCP4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for high-speed operations.

In automotive applications, 71934 ACD/HCP4ADT Bearing supports performance in gearboxes and drivetrains, handling both radial and axial loads efficiently. Its matched arrangement enhances stability in demanding conditions.

For robotics, 71934 ACD/HCP4ADT Bearing’s phenolic cage and chrome steel rings provide durability in articulated arms and automated systems. The P4A tolerance class guarantees consistent performance in precise movements.

Medical imaging devices benefit from 71934 ACD/HCP4ADT Bearing’s smooth operation and low heat generation. The lubricated design ensures reliability in critical diagnostic equipment.

In aerospace, 71934 ACD/HCP4ADT Bearing’s lightweight yet robust construction makes it ideal for flight control systems. The temperature range allows it to perform reliably in varying environmental conditions.

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