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Super Precision Angular Contact Ball Bearings 71832 ACD/HCP4

Super Precision Angular Contact Ball Bearings 71832 ACD/HCP4

The 71832 ACD/HCP4 is a super precision angular contact ball bearing with a 160mm bore and 200mm outer diameter, designed for high-performance applications. Its 25° contact angle efficiently handles both radial and thrust loads, with dynamic radial load capacity up to 11408 lbf.

Made from chrome steel rings and ceramic balls, it offers smooth operation at speeds up to 9500 RPM. The phenolic cage reduces friction and wear, while the open design allows for easy lubrication.

This bearing meets P4 tolerance standards (equivalent to ABEC-7), ensuring exceptional accuracy. It’s suitable for matched arrangements and comes preloaded for immediate use.

Ideal for precision machinery like CNC spindles or high-speed robotics, it operates reliably in temperatures from -30°C to 110°C. Weighing 1.11kg, it balances durability with manageable size.

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Product Parameters

  • Part Number 71832 ACD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 160 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 200 mm
  • Outer Dia Tolerance -0.011mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 38
  • 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 11408 lbf
  • Static Radial Load 16875 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9500 rpm
  • Weight 1.11 kg
  • Price（$） 254.466
Super Precision Angular Contact Ball Bearings 71832 ACD/HCP4 dimension drawing
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Features

Performance Features of 71832 ACD/HCP4 Bearing

71832 ACD/HCP4 Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 11408 lbf, it performs reliably in high-demand applications.
Its P4 tolerance class ensures precision, making it suitable for tasks requiring high accuracy.

The phenolic cage maintains ball alignment, extending the bearing’s service life.
Lubricated for efficiency, it supports speeds up to 9,500 rpm without compromising performance.

Application

Industrial Uses of 71832 ACD/HCP4 Bearing
71832 ACD/HCP4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The ceramic balls reduce friction, making it suitable for high-speed spindle applications.

In robotics, 71832 ACD/HCP4 Bearing provides smooth motion control in articulated arms, thanks to its phenolic cage and P4 tolerance class. Its matched arrangement option further enhances stability in dynamic automation systems.

For medical imaging devices like CT scanners, 71832 ACD/HCP4 Bearing’s low vibration and consistent performance are key. The chrome steel rings and ceramic balls offer durability in sterile environments where reliability is critical.

Where Is 71832 ACD/HCP4 Bearing Used?
You’ll often find 71832 ACD/HCP4 Bearing in aerospace applications, such as helicopter rotor systems, where its high-speed capability and precision are essential. The open design allows for custom lubrication to suit specific operational needs.

In industrial pumps, 71832 ACD/HCP4 Bearing handles both radial and thrust loads efficiently, ensuring long service life. Its phenolic cage resists corrosion, making it a reliable choice for harsh fluid-handling environments.

Built for Heavy-Duty Use: 71832 ACD/HCP4 Bearing
71832 ACD/HCP4 Bearing excels in wind turbine gearboxes, where its high dynamic load capacity and temperature tolerance are vital. The ceramic balls also minimise wear, reducing maintenance intervals in remote installations.

For CNC machining centres, 71832 ACD/HCP4 Bearing’s P4 precision ensures repeatable accuracy in cutting operations. Its 25° contact angle optimally distributes loads during high-speed milling or grinding processes.

Automotive vs Aerospace: Applications of 71832 ACD/HCP4 Bearing
In automotive testing rigs, 71832 ACD/HCP4 Bearing supports high-frequency vibration analysis with minimal noise interference. Meanwhile, in aircraft landing gear systems, its matched sets provide the rigidity needed for shock absorption.

The bearing’s versatility also shines in semiconductor manufacturing equipment, where its clean operation and precision align wafers without contamination. Its metric sizing simplifies integration into global machinery designs.

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