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Super Precision Angular Contact Ball Bearings 71924 ACB/P4A

Super Precision Angular Contact Ball Bearings 71924 ACB/P4A

The 71924 ACB/P4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 5738 lbf and operates smoothly at speeds up to 14,000 RPM.

With a 25° contact angle and phenolic cage, it offers excellent stability and low friction. The open design allows for easy lubrication, ensuring consistent performance.

This bearing is ideal for high-precision applications like machine tool spindles or robotics, where accuracy and speed are crucial. It meets P4 tolerance standards for reliable performance.

Weighing 1.27kg, it’s a robust choice for demanding environments. Compatible with SKF bearings, it’s a versatile option for replacements or upgrades.

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Product Parameters

  • Part Number 71924 ACB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 41
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5738 lbf
  • Static Radial Load 6412 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 14000 rpm
  • Weight 1.27 kg
  • Price（$） 1514.124
Super Precision Angular Contact Ball Bearings 71924 ACB/P4A dimension drawing
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Features

Performance Features of 71924 ACB/P4A Bearing

71924 ACB/P4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 5738 lbf, it handles demanding conditions reliably.
The P4 tolerance class guarantees high precision, making it suitable for critical applications.

71924 ACB/P4A Bearing operates smoothly at speeds up to 14,000 rpm, balancing performance and longevity.
Its open design allows for easy lubrication, ensuring consistent operation over time.

The bearing’s temperature range of -30° to 110°C ensures versatility in various environments.
Its matched arrangement option provides added stability for complex setups.

Application

Industrial Uses of 71924 ACB/P4A Bearing
71924 ACB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for high-speed operations.

In automotive applications, 71924 ACB/P4A Bearing supports gearbox systems, providing stability under radial and axial loads. Its P4 tolerance class ensures consistent performance in demanding driving conditions.

For medical imaging devices, 71924 ACB/P4A Bearing’s chrome steel construction offers reliable operation in sensitive equipment. The open design allows for easy lubrication, extending service life in critical environments.

Automation systems benefit from 71924 ACB/P4A Bearing’s matched arrangement, which enhances precision in robotic arms. The 25° contact angle optimises load distribution for smooth movement.

In consumer electronics, 71924 ACB/P4A Bearing is found in high-end printers, where its low noise and vibration levels improve print quality. The metric sizing ensures compatibility with various European and Asian models.

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