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Super Precision Angular Contact Ball Bearings 71905 CD/P4ADBD

Super Precision Angular Contact Ball Bearings 71905 CD/P4ADBD

The 71905 CD/P4ADBD 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 pair for heavy preload applications.

This bearing handles radial loads up to 2498 lbf and spins smoothly at speeds up to 100,500 RPM. Its open design and phenolic cage ensure reliable performance under demanding conditions.

The matched arrangement (DB) provides excellent stability, making it ideal for high-precision machinery like spindles or CNC equipment. It operates efficiently in temperatures from -30°C to 110°C.

Weighing just 0.084kg, it’s lightweight yet robust. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements. Perfect for applications requiring precise angular contact performance.

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Product Parameters

  • Part Number 71905 CD/P4ADBD
  • 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 <> DB
  • 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/P4ADBD dimension drawing
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Features

Performance Features of 71905 CD/P4ADBD Bearing

71905 CD/P4ADBD 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 noise.

The matched arrangement of two bearings provides stability, ideal for high-precision tasks.
With a dynamic radial load capacity of 2498 lbf, it handles demanding conditions reliably.

71905 CD/P4ADBD Bearing operates smoothly at speeds up to 100,500 rpm, thanks to its balanced design.
Its P4A tolerance class ensures consistent performance in precision applications.

Application

Industrial Uses of 71905 CD/P4ADBD Bearing
71905 CD/P4ADBD 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 demanding industrial environments.

In automotive applications, 71905 CD/P4ADBD Bearing supports components like turbochargers and transmission systems, where its high-speed capability is beneficial. The matched arrangement of two bearings provides added stability under angular loads.

For robotics, 71905 CD/P4ADBD Bearing’s phenolic cage and chrome steel construction offer durability in repetitive motion tasks. Its open design allows for easy lubrication, extending service life in automated systems.

Where Is 71905 CD/P4ADBD Bearing Used?
You’ll find 71905 CD/P4ADBD Bearing in medical imaging devices, where its precision and low noise operation are crucial. The temperature range of -30°C to 110°C ensures reliability in various clinical settings.

In consumer electronics, 71905 CD/P4ADBD Bearing is often used in high-end printers and scanners. Its metric sizing and compatibility with SKF bearings make it a versatile choice for manufacturers.

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