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Super Precision Angular Contact Ball Bearings 71917 CD/P4ADFC

Super Precision Angular Contact Ball Bearings 71917 CD/P4ADFC

The 71917 CD/P4ADFC is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 17122 lbf and operates smoothly at speeds up to 17000 RPM.

Its 15° contact angle and matched DF arrangement provide excellent stability under angular loads. The phenolic cage ensures quiet operation and long service life, even in demanding conditions.

This bearing comes preloaded for moderate stiffness, ideal for high-precision applications. It performs reliably in temperatures from -30°C to 110°C.

Perfect for machine tool spindles or precision gearboxes where accuracy is crucial. The set includes two bearings for balanced load distribution, weighing 1.06kg each. Compliant with P4A tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 71917 CD/P4ADFC
  • 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 25
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 17122 lbf
  • Static Radial Load 21712 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 17000 rpm
  • Weight 1.06 kg
Super Precision Angular Contact Ball Bearings 71917 CD/P4ADFC dimension drawing
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Features

Performance Features of 71917 CD/P4ADFC Bearing

71917 CD/P4ADFC Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

The matched arrangement of two bearings provides balanced performance under dynamic radial loads up to 17122 lbf.
With a maximum speed of 17,000 rpm, it maintains precision even in high-speed operations.

71917 CD/P4ADFC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its P4A tolerance class guarantees consistent accuracy for demanding applications.

Application

Essential Roles of 71917 CD/P4ADFC Bearing
71917 CD/P4ADFC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The moderate preload helps maintain stability during heavy cutting operations.

In aerospace applications, 71917 CD/P4ADFC Bearing supports critical components like turbine shafts, thanks to its high-speed capability and reliable performance. The matched arrangement further enhances load distribution in demanding conditions.

For robotics, 71917 CD/P4ADFC Bearing’s phenolic cage reduces friction, making it ideal for articulated arms requiring smooth movement. Its chrome steel construction also ensures longevity in continuous operation.

Where Is 71917 CD/P4ADFC Bearing Used?
You’ll often find 71917 CD/P4ADFC Bearing in medical imaging devices, where precision and low noise are essential. The P4A tolerance class guarantees consistent performance in sensitive environments.

In industrial automation, 71917 CD/P4ADFC Bearing is a go-to for linear actuators and CNC machinery. Its open design allows for easy lubrication, extending service life in high-use scenarios.

Built for Heavy-Duty Use: 71917 CD/P4ADFC Bearing
71917 CD/P4ADFC Bearing excels in wind turbine gearboxes, handling both radial and axial loads with ease. The phenolic cage material resists wear, even in harsh outdoor conditions.

For electric vehicle motors, 71917 CD/P4ADFC Bearing offers reliable support at high speeds. Its chrome steel balls and rings ensure durability under constant angular contact loads.

Automotive vs Aerospace: Applications of 71917 CD/P4ADFC Bearing
In automotive transmissions, 71917 CD/P4ADFC Bearing provides smooth gear shifting with its precise angular contact design. The matched set configuration enhances load capacity for performance vehicles.

Aerospace applications benefit from 71917 CD/P4ADFC Bearing’s ability to handle extreme speeds and temperatures. Its high dynamic radial load rating makes it suitable for jet engine components.

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