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Super Precision Angular Contact Ball Bearings 71924 CDGA/HCP4A

Super Precision Angular Contact Ball Bearings 71924 CDGA/HCP4A

The 71924 CDGA/HCP4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 17550 lbf and spins at speeds up to 10000 RPM. Its phenolic cage ensures durability, while the extra light preload (Class A) offers precise performance.

The open design allows easy lubrication, and it works in temperatures from -30°C to 110°C. With P4A tolerance class, it’s ideal for high-precision applications.

Weighing 0.99kg, this bearing is suitable for machine tools or spindle assemblies. It’s universally matching, allowing back-to-back, face-to-face, or tandem arrangements for flexible use.

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Product Parameters

  • Part Number 71924 CDGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 17550 lbf
  • Static Radial Load 20588 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.99 kg
Super Precision Angular Contact Ball Bearings 71924 CDGA/HCP4A dimension drawing
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Features

Performance Features of 71924 CDGA/HCP4A Bearing

71924 CDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
The 15° contact angle allows for efficient handling of combined radial and axial loads.

With a dynamic radial load capacity of 17550 lbf, it performs reliably in demanding applications.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

Its P4A tolerance class ensures exceptional accuracy for precision tasks.
The bearing operates smoothly at speeds up to 10,000 rpm, making it suitable for high-speed machinery.

Designed for universal matching, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.
This versatility makes 71924 CDGA/HCP4A Bearing ideal for complex mechanical systems.

Application

Key Fields for 71924 CDGA/HCP4A Bearing
71924 CDGA/HCP4A Bearing is commonly used in high-precision machine tools, where its ceramic balls and phenolic cage ensure minimal friction and heat generation. The 15° contact angle provides excellent radial and axial load support for spindle applications.

How Does 71924 CDGA/HCP4A Bearing Improve Performance?
In robotics, 71924 CDGA/HCP4A Bearing enhances accuracy in articulated arms due to its P4A tolerance class and extra light preload. The open design allows for custom lubrication to suit specific speed requirements.

Built for Heavy-Duty Use: 71924 CDGA/HCP4A Bearing
This bearing handles demanding conditions in industrial pumps, with chrome steel rings offering durability under high dynamic loads. Its 10,000 rpm rating makes it suitable for rapid cycling equipment.

Medical vs Industrial: Where 71924 CDGA/HCP4A Bearing Excels
While used in medical imaging devices for smooth rotation, 71924 CDGA/HCP4A Bearing also thrives in industrial gearboxes where its matched set configuration ensures consistent alignment under angular loads.

Practical Applications of 71924 CDGA/HCP4A Bearing
For aerospace components like actuator systems, 71924 CDGA/HCP4A Bearing delivers reliable performance across a -30°C to 110°C range. The universal matching capability simplifies installation in complex assemblies.

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