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Super Precision Angular Contact Ball Bearings 71817 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71817 CD/P4DBA

The 71817 CD/P4DBA is a super precision angular contact ball bearing with an 85mm bore and 110mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 7898 lbf and reaches speeds of 28,000 RPM, making it suitable for high-performance applications.

Its 15° contact angle and matched arrangement (2 bearings DB) provide excellent stability under angular loads. The phenolic cage ensures smooth operation, while the open design allows for easy lubrication.

This bearing operates in temperatures from -30°C to 110°C and meets P4 tolerance standards for precision. Ideal for machine tools or spindle drives where accuracy and speed are crucial.

Weighing 0.53kg, it’s a robust yet lightweight option. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades.

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Product Parameters

  • Part Number 71817 CD/P4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 110 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 30
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7898 lbf
  • Static Radial Load 11475 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.53 kg
Super Precision Angular Contact Ball Bearings 71817 CD/P4DBA dimension drawing
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Features

How Is 71817 CD/P4DBA Bearing Engineered for Reliability?

71817 CD/P4DBA Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and wear.

With a dynamic radial load capacity of 7898 lbf, it handles demanding conditions with ease.
The extra light preload (Class A) enhances performance, making it suitable for high-speed operations up to 28,000 rpm.

71817 CD/P4DBA Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Its matched arrangement (2 bearings DB) ensures consistent performance in paired setups.

Application

Industrial Uses of 71817 CD/P4DBA Bearing
71817 CD/P4DBA Bearing is commonly used in high-precision machine tools, where its angular contact design helps maintain accuracy during heavy cutting operations. The matched arrangement ensures stability, reducing vibration in demanding industrial environments.

In automotive applications, 71817 CD/P4DBA Bearing supports high-speed spindle systems, providing smooth performance in gearboxes and transmission units. Its phenolic cage offers durability under continuous use, making it a reliable choice for vehicle manufacturers.

For robotics, 71817 CD/P4DBA Bearing’s extra light preload enhances precision in articulated arms and automated assembly lines. The chrome steel construction ensures long-lasting performance, even in repetitive motion scenarios.

Medical imaging devices benefit from 71817 CD/P4DBA Bearing’s low tolerance and high-speed capabilities, ensuring quiet and reliable operation in scanners and diagnostic equipment. The open design allows for easy lubrication, extending service life in critical healthcare settings.

In aerospace components, 71817 CD/P4DBA Bearing’s P4 tolerance class meets the strict requirements for precision and reliability in flight control systems. Its temperature range also makes it suitable for varying operational conditions.

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