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Super Precision Angular Contact Ball Bearings 71905 CD/P4ADFD

Super Precision Angular Contact Ball Bearings 71905 CD/P4ADFD

The 71905 CD/P4ADFD is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two bearings for heavy preload applications.

This bearing handles radial loads up to 2498 lbf and operates smoothly at speeds up to 100,500 RPM. Its open design and phenolic cage ensure reliable performance, while the lubrication helps reduce friction.

The P4A tolerance class guarantees high precision, making it suitable for demanding tasks. Ideal for applications like machine tools or high-speed spindles where accuracy is crucial.

Weighing just 0.084kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a practical choice for replacements. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71905 CD/P4ADFD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2498 lbf
  • Static Radial Load 1800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.084 kg
Super Precision Angular Contact Ball Bearings 71905 CD/P4ADFD dimension drawing
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Features

Performance Features of 71905 CD/P4ADFD Bearing

71905 CD/P4ADFD Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 2498 lbf, it handles demanding conditions reliably.
Its matched arrangement of two bearings (DF) and heavy preload (Class D) enhance stability in high-precision tasks.

The bearing operates efficiently at speeds up to 100,500 rpm, maintaining performance within -30°C to 110°C.
Its P4A tolerance class guarantees precision, making it suitable for applications requiring exacting standards.

Application

Industrial Uses of 71905 CD/P4ADFD Bearing
71905 CD/P4ADFD Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The heavy preload and P4A tolerance class make it suitable for applications demanding minimal deflection.

In automotive systems, 71905 CD/P4ADFD Bearing supports high-speed components like turbochargers and electric motor shafts. Its phenolic cage reduces friction, enhancing efficiency in demanding conditions.

For medical imaging devices, 71905 CD/P4ADFD Bearing’s chrome steel construction provides reliable performance under continuous use. The matched DF arrangement ensures stability in precision instruments.

Perfect Fit for Automation: 71905 CD/P4ADFD Bearing
71905 CD/P4ADFD Bearing excels in robotic arms, where its high-speed capability and angular contact design enable smooth, precise movements. The open seal allows for easy lubrication maintenance.

In 3D printers, 71905 CD/P4ADFD Bearing’s low tolerance and dynamic load capacity ensure consistent print quality. The metric sizing makes it compatible with various European and Asian automation systems.

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