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Super Precision Angular Contact Ball Bearings 71817 ACD/P4DBA

Super Precision Angular Contact Ball Bearings 71817 ACD/P4DBA

The 71817 ACD/P4DBA is a super precision angular contact ball bearing with an 85mm bore and 110mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and matched arrangement of two bearings make it ideal for handling combined loads.

This bearing can handle dynamic radial loads up to 7470 lbf and spins smoothly at speeds up to 28,000 RPM. The phenolic cage ensures quiet operation and durability, even at high speeds.

With an extra light preload (Class A), it offers precise performance for demanding applications. The open design allows for easy lubrication and maintenance.

Perfect for machine tools or high-speed spindles where accuracy is crucial. It operates reliably in temperatures from -30°C to 110°C and weighs just 0.53kg. Compliant with P4 tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 71817 ACD/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 25°
  • 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 7470 lbf
  • Static Radial Load 10800 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 ACD/P4DBA dimension drawing
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Features

Performance Features of 71817 ACD/P4DBA Bearing

71817 ACD/P4DBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The matched arrangement of two bearings ensures stability and accuracy in high-speed operations.

Constructed from chrome steel, 71817 ACD/P4DBA Bearing offers strong resistance to wear and fatigue.
Its phenolic cage enhances durability while maintaining smooth performance under dynamic radial loads up to 7470 lbf.

With a maximum speed of 28,000 rpm, 71817 ACD/P4DBA Bearing delivers reliable efficiency in demanding conditions.
The extra-light preload reduces friction, ensuring quiet and precise operation.

71817 ACD/P4DBA Bearing operates effectively within a temperature range of -30°C to 110°C.
Its open design allows for easy lubrication, extending service life and reducing maintenance needs.

Application

Ideal for Precision: 71817 ACD/P4DBA Bearing
In high-speed machine tools, 71817 ACD/P4DBA Bearing ensures smooth operation with its 25° contact angle, ideal for handling both radial and axial loads. The matched DB arrangement enhances stability in demanding applications.

Automotive vs Aerospace: Applications of 71817 ACD/P4DBA Bearing
For automotive gearboxes, 71817 ACD/P4DBA Bearing offers reliable performance under high rotational speeds. In aerospace systems, its P4 tolerance class provides the precision needed for critical components.

Where Is 71817 ACD/P4DBA Bearing Used?
You’ll find 71817 ACD/P4DBA Bearing in robotics, where its phenolic cage reduces friction during rapid movements. It’s also common in medical imaging devices, thanks to its consistent accuracy.

Built for Heavy-Duty Use: 71817 ACD/P4DBA Bearing
Industrial pumps benefit from 71817 ACD/P4DBA Bearing’s chrome steel construction, which withstands continuous operation. The extra light preload ensures minimal vibration in precision equipment.

How Does 71817 ACD/P4DBA Bearing Improve Performance?
With a maximum speed of 28,000 rpm, 71817 ACD/P4DBA Bearing excels in spindle applications. Its lubricated design maintains performance across a wide temperature range (-30°C to 110°C).

Q&A

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