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Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4AQBCC

Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4AQBCC

The 71917 ACD/HCP4AQBCC is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-grade chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This set includes four matched bearings with moderate preload (Class C), handling dynamic radial loads up to 25,650 lbf. It spins at speeds up to 28,000 RPM and works in temperatures from -30°C to 110°C.

Its open design and phenolic cage ensure durability, while the P4A tolerance class guarantees precision. The bearings are lubricated for reduced friction and longer life.

Ideal for high-speed applications like machine tool spindles or precision robotics. Weighing 1.8kg, it’s robust yet manageable for its size. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71917 ACD/HCP4AQBCC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 72 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 25650 lbf
  • Static Radial Load 41175 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.8 kg
Super Precision Angular Contact Ball Bearings 71917 ACD/HCP4AQBCC dimension drawing
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Features

Performance Features of 71917 ACD/HCP4AQBCC Bearing

71917 ACD/HCP4AQBCC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.

The ceramic balls and chrome steel rings enhance durability while reducing friction.

With a dynamic radial load capacity of 25,650 lbf, it handles demanding tasks efficiently.

Its phenolic cage ensures smooth operation at high speeds, up to 28,000 rpm.

Application

Common Applications of 71917 ACD/HCP4AQBCC Bearing
71917 ACD/HCP4AQBCC Bearing is widely used in high-speed machine tools, where its precision and moderate preload ensure smooth operation. The ceramic balls reduce friction, making it ideal for applications requiring consistent performance.

In robotics, 71917 ACD/HCP4AQBCC Bearing supports articulated arms, providing stability and accuracy. Its phenolic cage offers durability in repetitive motion scenarios.

For aerospace components, 71917 ACD/HCP4AQBCC Bearing handles angular loads in systems like flight control mechanisms. The P4A tolerance class guarantees reliability in critical environments.

Automotive testing equipment benefits from 71917 ACD/HCP4AQBCC Bearing’s high-speed capabilities. Its chrome steel rings withstand rigorous use in dynamometers and simulators.

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