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Super Precision Angular Contact Ball Bearings 71919 ACD/HCP4A
Super Precision Angular Contact Ball Bearings 71919 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71919 ACD/HCP4A

The 71919 ACD/HCP4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 10395 lbf and reaches speeds of 16000 RPM, thanks to its ceramic balls and phenolic cage.

With a 25° contact angle, it efficiently manages combined loads, while the open design allows for easy lubrication. Its P4 tolerance class ensures high precision, making it suitable for demanding applications.

This bearing can be preloaded and matched for enhanced performance in paired arrangements. Ideal for high-speed machinery like spindles or CNC equipment where precision and reliability are key.

Weighing 0.5kg, it’s robust yet manageable for its size. It operates smoothly in temperatures from -30°C to 110°C, complying with industry standards for quality and safety.

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Product Parameters

  • Part Number 71919 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • 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 10395 lbf
  • Static Radial Load 11700 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.5 kg
  • Price($) 112.122

Features

Performance Features of 71919 ACD/HCP4A Bearing

71919 ACD/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 while reducing friction.

The phenolic cage ensures smooth operation, even at high speeds up to 16,000 rpm.
With a dynamic radial load capacity of 10,395 lbf, it handles demanding tasks with ease.

71919 ACD/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 just 0.5 kg, it offers a balance of strength and lightweight construction.

Application

Industrial Uses of 71919 ACD/HCP4A Bearing
71919 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.
In robotics, 71919 ACD/HCP4A Bearing provides smooth motion control for articulated arms and automated systems. Its phenolic cage offers durability while maintaining low weight, ideal for repetitive movements.

Where Is 71919 ACD/HCP4A Bearing Used?
You’ll find 71919 ACD/HCP4A Bearing in aerospace applications, such as helicopter rotor systems, where reliability is critical. The P4 tolerance class ensures consistent operation under varying loads and speeds.
It’s also a great fit for medical imaging devices, where its low vibration and high-speed capabilities enhance diagnostic accuracy. The open design allows for easy lubrication, extending service life.

Built for Heavy-Duty Use: 71919 ACD/HCP4A Bearing
71919 ACD/HCP4A Bearing handles heavy radial and axial loads in industrial pumps and compressors. The chrome steel rings provide excellent wear resistance, even in harsh conditions.
For automotive applications, this bearing supports high-performance gearboxes, ensuring smooth power transmission. Its matched arrangement option simplifies installation and maintenance.

Automotive vs Aerospace: Applications of 71919 ACD/HCP4A Bearing
In automotive systems, 71919 ACD/HCP4A Bearing is often used in high-performance transmissions, where its speed rating and load capacity shine. The 25° contact angle optimises load distribution.
For aerospace, this bearing excels in avionics and flight control systems, thanks to its precision and reliability. The ceramic balls minimise heat buildup during extended operation.

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