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Super Precision Angular Contact Ball Bearings 71917 CE/HCP4ADBB

Super Precision Angular Contact Ball Bearings 71917 CE/HCP4ADBB

The 71917 CE/HCP4ADBB is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, designed for high-speed applications. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

Its 15° contact angle and light preload ensure efficient handling of both radial and axial loads, up to 10980 lbf dynamically. With a maximum speed of 17000 RPM, it’s built for performance.

The open design and phenolic cage make maintenance straightforward, while the matched pair arrangement (DB) enhances stability. It operates reliably in temperatures from -30°C to 110°C.

Ideal for machine tools or high-precision equipment where accuracy and speed are crucial. Weighing 0.84kg, it’s a robust yet manageable choice for demanding setups. Compliant with P4A tolerance standards for precision engineering.

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Product Parameters

  • Part Number 71917 CE/HCP4ADBB
  • 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 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 23
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 10980 lbf
  • Static Radial Load 10238 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.84 kg
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Features

Performance Features of 71917 CE/HCP4ADBB Bearing

71917 CE/HCP4ADBB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability and reduce friction.

The phenolic cage ensures smooth operation, even at high speeds up to 17,000 rpm.
This bearing is preloaded for light applications, providing consistent performance.

With a dynamic radial load capacity of 10,980 lbf, it handles demanding conditions reliably.
The matched arrangement of two bearings offers balanced support for precision tasks.

Its open design allows for easy lubrication, maintaining efficiency over time.
The P4A tolerance class ensures high precision in every rotation.

Application

Industrial Uses of 71917 CE/HCP4ADBB Bearing
71917 CE/HCP4ADBB 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 robotics, 71917 CE/HCP4ADBB Bearing provides smooth movement for articulated arms, thanks to its light preload and matched arrangement. The phenolic cage adds durability in repetitive motion applications.

For aerospace components, 71917 CE/HCP4ADBB Bearing’s P4A tolerance class meets the strict requirements for navigation systems. Its chrome steel rings offer reliable performance under varying temperatures.

Where Is 71917 CE/HCP4ADBB Bearing Used?
You’ll find 71917 CE/HCP4ADBB Bearing in dental drills, where its precision and speed are essential for smooth operation. The open design allows for easy lubrication, extending its service life.

In packaging machinery, 71917 CE/HCP4ADBB Bearing handles rapid start-stop cycles with ease. The matched bearing set ensures consistent performance under radial and axial loads.

Built for Heavy-Duty Use: 71917 CE/HCP4ADBB Bearing
71917 CE/HCP4ADBB Bearing is a go-to for wind turbine yaw systems, where its high dynamic load capacity handles constant adjustments. The ceramic balls also resist wear in harsh outdoor conditions.

For CNC lathes, 71917 CE/HCP4ADBB Bearing’s 15° contact angle provides stability during heavy cutting. The phenolic cage minimises vibration, ensuring precise finishes.

Automotive vs Aerospace: Applications of 71917 CE/HCP4ADBB Bearing
In automotive testing rigs, 71917 CE/HCP4ADBB Bearing supports high-speed dynamometers, thanks to its balanced load distribution. The metric sizing fits most European engine designs.

For satellite tracking systems, 71917 CE/HCP4ADBB Bearing’s temperature range ensures reliability in extreme conditions. The P4A tolerance class guarantees accuracy for sensitive positioning.

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