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Super Precision Angular Contact Ball Bearings 71924 ACE/HCP4ALDT

Super Precision Angular Contact Ball Bearings 71924 ACE/HCP4ALDT

The 71924 ACE/HCP4ALDT is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 16380 lbf and operates smoothly at speeds up to 10000 RPM.

Its 25° contact angle and matched arrangement (2 bearings << DT) provide excellent stability for angular loads, while the phenolic cage ensures quiet performance. The bearing comes preloaded for immediate use. Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It works in temperatures from -30°C to 110°C and is interchangeable with SKF bearings. Weighing 1.86kg, this lubricated bearing meets P4A tolerance standards for reliable performance. The open design allows easy maintenance and inspection.

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Product Parameters

  • Part Number 71924 ACE/HCP4ALDT
  • 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 44 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 16380 lbf
  • Static Radial Load 17212 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 1.86 kg
Super Precision Angular Contact Ball Bearings 71924 ACE/HCP4ALDT dimension drawing
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Features

Performance Features of 71924 ACE/HCP4ALDT Bearing

71924 ACE/HCP4ALDT Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
The chrome steel rings and ceramic balls ensure high precision and durability in demanding applications.

With a dynamic radial load capacity of 16380 lbf, it performs reliably under heavy loads.
Its phenolic cage maintains ball alignment, reducing friction and extending service life.

The bearing operates smoothly at speeds up to 10,000 rpm, balancing performance and efficiency.
Its P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

71924 ACE/HCP4ALDT Bearing is preloaded and comes in a matched set of two for enhanced stability.
The open design allows for easy lubrication, ensuring consistent performance over time.

Application

Industrial Uses of 71924 ACE/HCP4ALDT Bearing
71924 ACE/HCP4ALDT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In automotive systems, 71924 ACE/HCP4ALDT Bearing supports performance components like turbochargers and transmission systems. Its phenolic cage provides stability under varying temperatures and loads.

For robotics, 71924 ACE/HCP4ALDT Bearing offers reliable performance in articulated arms and precision joints. The P4A tolerance class ensures consistent operation in demanding automated environments.

Medical imaging devices benefit from 71924 ACE/HCP4ALDT Bearing’s smooth rotation and low heat generation. The matched bearing arrangement enhances stability in critical diagnostic equipment.

In aerospace applications, 71924 ACE/HCP4ALDT Bearing’s lightweight design and high-speed capability make it ideal for avionics and control systems. The chrome steel rings provide durability in harsh conditions.

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