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Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4A

The 71917 ACD/HCP4A is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 9810 lbf and reaches speeds of 18,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability and reduced friction.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. It operates efficiently in temperatures from -30°C to 110°C.

Ideal for precision machinery like CNC spindles or high-speed motors, this bearing is interchangeable with SKF models. Weighing 0.45kg, it offers a balance of strength and lightweight design.

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Product Parameters

  • Part Number 71917 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • 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 9810 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18000 rpm
  • Weight 0.45 kg
  • Price（$） 911.286
Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4A dimension drawing
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Features

Performance Features of 71917 ACD/HCP4A Bearing

71917 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 18,000 rpm.
With a dynamic radial load capacity of 9810 lbf, it handles demanding conditions reliably.

71917 ACD/HCP4A Bearing’s P4 tolerance class guarantees precision, making it suitable for high-accuracy tasks.
Its open design allows for easy lubrication, maintaining performance over time.

The bearing operates efficiently within a temperature range of -30° to 110°C.
Its lightweight construction at 0.45 kg ensures easy handling without compromising strength.

Application

Industrial Uses of 71917 ACD/HCP4A Bearing
71917 ACD/HCP4A 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 suitable for high-speed operations.

In automotive applications, 71917 ACD/HCP4A Bearing supports performance in gearboxes and wheel hubs, handling both radial and axial loads efficiently. Its phenolic cage offers durability under varying temperatures and loads.

For robotics, 71917 ACD/HCP4A Bearing provides smooth motion in articulated arms and joints, thanks to its P4 tolerance class. The open design allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71917 ACD/HCP4A Bearing’s precision, ensuring quiet and reliable performance. The chrome steel rings and ceramic balls minimise wear, even in demanding environments.

In aerospace systems, 71917 ACD/HCP4A Bearing’s matched arrangement ensures consistent performance in critical components. Its lightweight design and high-speed capability make it ideal for aviation applications.

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