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Super Precision Angular Contact Ball Bearings 71972 ACDMA/HCP4A

Super Precision Angular Contact Ball Bearings 71972 ACDMA/HCP4A

The 71972 ACDMA/HCP4A is a super precision angular contact ball bearing with a 360mm bore and 480mm outer diameter, designed for high accuracy applications. Made from chrome steel and ceramic balls, it offers excellent durability and smooth operation.

This bearing handles heavy radial loads up to 83475 lbf and operates at speeds up to 3800 RPM. Its 25° contact angle ensures stability under angular loads, while the phenolic cage reduces friction.

The open design allows for easy lubrication, and it works in temperatures from -30°C to 110°C. With a P4 tolerance class, it meets strict precision standards.

Ideal for machine tools or high-speed spindles where precision is key. Weighing 22.6kg, it’s robust yet designed for performance in demanding environments. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71972 ACDMA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 360 mm
  • Bore Dia Tolerance -0.016mm to 0
  • Outer Dia 480 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 30
  • 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 83475 lbf
  • Static Radial Load 150750 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 3800 rpm
  • Weight 22.6 kg
  • Price（$） 1394.163
Super Precision Angular Contact Ball Bearings 71972 ACDMA/HCP4A dimension drawing
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Features

Performance Features of 71972 ACDMA/HCP4A Bearing

71972 ACDMA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction during operation.

The phenolic cage ensures smooth performance, even at high speeds up to 3,800 rpm.
With a dynamic radial load capacity of 83,475 lbf, it handles demanding conditions reliably.

71972 ACDMA/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in high-accuracy applications.

Application

Key Fields for 71972 ACDMA/HCP4A Bearing
71972 ACDMA/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 demanding smooth operation.

In aerospace systems, 71972 ACDMA/HCP4A Bearing handles radial and axial loads in turbine assemblies, thanks to its phenolic cage and chrome steel rings. Its P4 tolerance class guarantees performance under extreme conditions.

For robotics, 71972 ACDMA/HCP4A Bearing’s matched arrangement supports precise movement in articulated arms. The open seal design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71972 ACDMA/HCP4A Bearing’s low heat generation and stability. Its ceramic balls and phenolic cage ensure quiet, reliable performance in sensitive environments.

In industrial automation, 71972 ACDMA/HCP4A Bearing is a go-to for high-speed conveyor systems. The preload option enhances rigidity, preventing deflection under heavy loads.

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