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Super Precision Angular Contact Ball Bearings 71964 CDMA/HCP4A

Super Precision Angular Contact Ball Bearings 71964 CDMA/HCP4A

The 71964 CDMA/HCP4A is a super precision angular contact ball bearing with a 320mm bore and 440mm outer diameter, designed for high-performance applications. Made from chrome steel and ceramic balls, it offers excellent durability and smooth operation.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 84825 lbf dynamically. It spins at speeds up to 4800 RPM, making it suitable for demanding machinery.

Its open design and phenolic cage ensure easy maintenance and long service life. The bearing operates reliably in temperatures from -30°C to 110°C.

Ideal for precision equipment like machine tools or aerospace systems, where accuracy and load capacity are critical. It’s interchangeable with SKF bearings and meets P4 tolerance standards for superior performance.

Weighing 20.5kg, it’s robust yet precision-engineered for heavy-duty use. Preload and matched arrangements are available for custom setups.

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Product Parameters

  • Part Number 71964 CDMA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 320 mm
  • Bore Dia Tolerance -0.016mm to 0
  • Outer Dia 440 mm
  • Outer Dia Tolerance -0.02mm to 0
  • Width 56 mm
  • Width Tolerance -0.3mm to 0
  • Ball Dia 38.1 mm
  • Ball Qty 27
  • Contact Angle 15°
  • 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 84825 lbf
  • Static Radial Load 139500 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 4800 rpm
  • Weight 20.5 kg
  • Price（$） 991.791
Super Precision Angular Contact Ball Bearings 71964 CDMA/HCP4A dimension drawing
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Features

Performance Features of 71964 CDMA/HCP4A Bearing

71964 CDMA/HCP4A Bearing is designed with a 15° 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 4,800 rpm.
With a dynamic radial load capacity of 84,825 lbf, it handles demanding conditions reliably.

71964 CDMA/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class guarantees consistent performance in high-accuracy applications.

The open design allows for easy lubrication, maintaining optimal performance over time.
Matched arrangements are available, providing flexibility for various installation needs.

Application

Industrial Uses of 71964 CDMA/HCP4A Bearing
71964 CDMA/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 suitable for high-speed operations.

In aerospace applications, 71964 CDMA/HCP4A Bearing handles radial and axial loads in turbine systems, thanks to its robust chrome steel construction. The phenolic cage adds durability in demanding environments.

For automation systems, 71964 CDMA/HCP4A Bearing provides reliable performance in robotic arms, where precision and smooth movement are essential. Its P4 tolerance class guarantees consistent operation under heavy loads.

Medical imaging devices benefit from 71964 CDMA/HCP4A Bearing’s low friction and high-speed capabilities, ensuring quiet and efficient performance. The open design allows for easy lubrication maintenance.

In electric vehicle motors, 71964 CDMA/HCP4A Bearing supports high rotational speeds while maintaining stability. Its matched arrangement option simplifies installation in compact spaces.

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