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Super Precision Angular Contact Ball Bearings 71944 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71944 CD/HCP4A

The 71944 CD/HCP4A is a super precision angular contact ball bearing with a 220mm bore and 300mm outer diameter, crafted from durable chrome steel. Its compact 38mm width makes it suitable for space-conscious applications.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 49725 lbf dynamically. It spins smoothly at speeds up to 7500 RPM, thanks to its ceramic balls and phenolic cage.

The open design allows for easy lubrication, while the P4 tolerance class ensures high precision. It operates reliably in temperatures from -30°C to 110°C.

Ideal for high-precision machinery like CNC spindles or aerospace equipment, where accuracy and durability are key. Weighing 5.56kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71944 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 220 mm
  • Bore Dia Tolerance -0.012mm to 0
  • Outer Dia 300 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 38 mm
  • Width Tolerance -0.24mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 29
  • 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 49725 lbf
  • Static Radial Load 67500 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 7500 rpm
  • Weight 5.56 kg
  • Price（$） 4922.271
Super Precision Angular Contact Ball Bearings 71944 CD/HCP4A dimension drawing
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Features

Performance Features of 71944 CD/HCP4A Bearing

71944 CD/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 7,500 rpm.
With a dynamic radial load capacity of 49,725 lbf, it handles demanding conditions reliably.

71944 CD/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.
Weighing 5.56 kg, it balances strength and manageability for industrial use.

Application

Industrial Uses of 71944 CD/HCP4A Bearing
71944 CD/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.

Where Is 71944 CD/HCP4A Bearing Used?
In automotive applications, 71944 CD/HCP4A Bearing supports components like wheel hubs and transmissions, thanks to its robust chrome steel construction. The phenolic cage adds durability under heavy loads.

Built for Heavy-Duty Use: 71944 CD/HCP4A Bearing
For automation systems, 71944 CD/HCP4A Bearing provides reliable performance in robotic arms and CNC machines. Its P4 tolerance class ensures precision in repetitive tasks.

Medical vs Industrial: Where 71944 CD/HCP4A Bearing Excels
In medical imaging devices, 71944 CD/HCP4A Bearing offers smooth operation due to its ceramic balls and low friction. Industrial applications benefit from its high load capacity and long service life.

Perfect Fit for Automation: 71944 CD/HCP4A Bearing
71944 CD/HCP4A Bearing is ideal for 3D printers and automated production lines, where consistent performance is key. The open design allows for easy lubrication and maintenance.

Q&A

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