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Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADT

Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADT

The 71920 ACB/HCP4ADT is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 7470 lbf.

Its 25° contact angle and ceramic balls ensure smooth operation at speeds up to 15,000 RPM. The phenolic cage adds durability while keeping the bearing lightweight at 1.6kg.

This matched set of two bearings comes preloaded for immediate use, ideal for high-precision applications. Suitable for machine tools or spindle systems where accuracy and speed are crucial.

Operating in temperatures from -30°C to 110°C, it’s a reliable choice for demanding environments. Compliant with P4A tolerance class for exceptional performance.

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Product Parameters

  • Part Number 71920 ACB/HCP4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 37
  • 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 7470 lbf
  • Static Radial Load 9562 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71920 ACB/HCP4ADT dimension drawing
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Features

Performance Features of 71920 ACB/HCP4ADT Bearing

71920 ACB/HCP4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 7470 lbf, it handles demanding conditions efficiently.
Its phenolic cage ensures smooth operation at high speeds up to 15,000 rpm.

The matched arrangement of two bearings provides stability and precision in performance.
Its P4A tolerance class guarantees consistent accuracy for super precision tasks.

71920 ACB/HCP4ADT Bearing operates effectively in temperatures ranging from -30°C to 110°C.
The lubricated design ensures long-lasting performance with minimal maintenance.

Application

Industrial Uses of 71920 ACB/HCP4ADT Bearing
71920 ACB/HCP4ADT 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 ideal for high-speed operations.

In automotive applications, 71920 ACB/HCP4ADT Bearing supports gearbox systems, providing smooth performance under radial and axial loads. Its matched arrangement enhances stability in demanding driving conditions.

For robotics, 71920 ACB/HCP4ADT Bearing excels in articulated arms, offering precise movement and durability. The phenolic cage material helps maintain performance in continuous operation.

Medical imaging devices benefit from 71920 ACB/HCP4ADT Bearing’s low friction and high-speed capabilities. The P4A tolerance class ensures reliability in critical diagnostic equipment.

In aerospace, 71920 ACB/HCP4ADT Bearing is used in flight control systems, where its lightweight and high-load capacity are essential. The temperature range suits both ground and in-flight conditions.

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