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Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4A

The 71934 ACD/HCP4A is a super precision angular contact ball bearing with a 170mm bore and 230mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 27900 lbf and spins efficiently at speeds up to 9000 RPM. Its phenolic cage ensures durability while the open design allows for easy lubrication.

The P4 tolerance class guarantees high precision, making it suitable for demanding applications. It works well in temperatures from -30°C to 110°C.

Ideal for precision machinery like spindles or high-speed tools, this model is interchangeable with SKF bearings. Weighing 2.34kg, it offers robust performance in a compact size.

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Product Parameters

  • Part Number 71934 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 170 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 230 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 28 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 27900 lbf
  • Static Radial Load 36000 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9000 rpm
  • Weight 2.34 kg
  • Price（$） 2814.498
Super Precision Angular Contact Ball Bearings 71934 ACD/HCP4A dimension drawing
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Features

Engineered for Precision: 71934 ACD/HCP4A Bearing

71934 ACD/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads and high-speed applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing performance in precision tasks.

The phenolic cage maintains ball alignment, ensuring smooth operation even at speeds up to 9,000 rpm.
With a dynamic radial load capacity of 27,900 lbf, it handles demanding conditions reliably.

71934 ACD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its P4 tolerance class (ABEC-7) guarantees consistent accuracy for critical applications.

Application

Where Is 71934 ACD/HCP4A Bearing Used?
71934 ACD/HCP4A 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 ideal for applications requiring smooth, high-speed operation.

In robotics, 71934 ACD/HCP4A Bearing supports articulated arms, providing stability and precision in repetitive movements. Its phenolic cage offers lightweight durability, which is essential for reducing wear in automated systems.

For aerospace components, 71934 ACD/HCP4A Bearing handles radial and axial loads in landing gear systems. The P4 tolerance class ensures consistent performance even under demanding conditions, making it a reliable choice for critical applications.

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