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Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBA

Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBA

The 71808 ACD/P4DBA is a super precision angular contact ball bearing with a 40mm bore and 52mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a matched pair for extra stability.

This bearing handles radial loads up to 1667 lbf and spins smoothly at speeds up to 43,000 RPM. Its phenolic cage ensures quiet operation and long service life, even under demanding conditions.

The open design allows for easy lubrication, while the P4 tolerance class guarantees high precision. Ideal for applications like machine tool spindles or high-speed robotics where accuracy is key.

Weighing just 0.062kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71808 ACD/P4DBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 29
  • 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 1667 lbf
  • Static Radial Load 2059 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 43000 rpm
  • Weight 0.062 kg
Super Precision Angular Contact Ball Bearings 71808 ACD/P4DBA dimension drawing
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Features

Performance Features of 71808 ACD/P4DBA Bearing

71808 ACD/P4DBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage in 71808 ACD/P4DBA Bearing reduces friction and noise, enhancing performance in precision tasks.
With a maximum speed of 43,000 rpm, it is suitable for demanding high-speed applications.

71808 ACD/P4DBA Bearing’s extra light preload (Class A) ensures minimal resistance and efficient operation.
Its matched arrangement of two bearings (DB) provides stability and balanced load handling.

The P4 tolerance class of 71808 ACD/P4DBA Bearing guarantees high precision and reliable performance.
It operates efficiently within a temperature range of -30°C to 110°C, adapting to various environments.

71808 ACD/P4DBA Bearing’s dynamic radial load capacity of 1667 lbf ensures long-lasting performance.
Its lubricated design reduces maintenance needs, making it a practical choice for many applications.

Application

Common Applications of 71808 ACD/P4DBA Bearing
In machine tools, 71808 ACD/P4DBA Bearing ensures high precision and stability, thanks to its angular contact design and P4 tolerance class. The matched arrangement of two bearings enhances load distribution, making it ideal for spindle applications.

Where Is 71808 ACD/P4DBA Bearing Used?
You’ll often find 71808 ACD/P4DBA Bearing in robotics, where its extra light preload and high-speed capability support smooth, accurate movements. The phenolic cage adds durability while reducing friction.

Built for Heavy-Duty Use: 71808 ACD/P4DBA Bearing
This bearing excels in industrial pumps, handling both radial and axial loads with ease. Its chrome steel construction ensures long-lasting performance even in demanding environments.

Automotive vs Aerospace: Applications of 71808 ACD/P4DBA Bearing
In automotive systems, 71808 ACD/P4DBA Bearing is used in gearboxes for its precision. Meanwhile, aerospace applications benefit from its reliability and high-speed performance in control mechanisms.

Perfect Fit for Automation: 71808 ACD/P4DBA Bearing
For automated production lines, 71808 ACD/P4DBA Bearing offers consistent accuracy and low maintenance. Its open design allows for easy lubrication, ensuring uninterrupted operation.

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