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Super Precision Angular Contact Ball Bearings 71817 CD/HCP4DBA

Super Precision Angular Contact Ball Bearings 71817 CD/HCP4DBA

The 71817 CD/HCP4DBA is a super precision angular contact ball bearing with an 85mm bore and 110mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 7898 lbf and spins smoothly at high speeds up to 28,000 RPM.

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

This bearing is lubricated for easy maintenance and operates in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed robotics.

Weighing 0.48kg, it meets P4 tolerance standards for exceptional accuracy. The open design allows for straightforward inspection and relubrication when needed.

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Product Parameters

  • Part Number 71817 CD/HCP4DBA
  • 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 Ceramic
  • 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 0.48 kg
Super Precision Angular Contact Ball Bearings 71817 CD/HCP4DBA dimension drawing
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Features

Performance Features of 71817 CD/HCP4DBA Bearing

71817 CD/HCP4DBA 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 during high-speed operation.

The phenolic cage ensures smooth performance, even at speeds up to 28,000 rpm.
With a dynamic radial load capacity of 7898 lbf, it handles demanding conditions with ease.

Precision-engineered to P4 tolerance class, 71817 CD/HCP4DBA Bearing offers reliable accuracy.
Its matched arrangement of two bearings provides stability in high-performance setups.

The extra light preload reduces vibration, ensuring quiet and efficient operation.
Lubrication is pre-applied, simplifying installation and maintenance.

Application

Key Fields for 71817 CD/HCP4DBA Bearing
71817 CD/HCP4DBA Bearing is widely used in high-precision machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The extra light preload ensures minimal vibration, making it ideal for grinding spindles.

In robotics, 71817 CD/HCP4DBA Bearing supports articulated arms that require precise angular movement. Its matched arrangement of two bearings provides stability in dynamic applications like automated assembly lines.

For aerospace components, 71817 CD/HCP4DBA Bearing’s P4 tolerance class meets strict standards for navigation systems. The chrome steel rings and ceramic balls handle both radial and angular loads efficiently.

Medical imaging devices benefit from 71817 CD/HCP4DBA Bearing’s low heat generation during high-speed rotation. The open design allows for easy lubrication, extending service life in critical equipment.

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