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Super Precision Angular Contact Ball Bearings 71808 CD/P4DBA

Super Precision Angular Contact Ball Bearings 71808 CD/P4DBA

The 71808 CD/P4DBA is a super precision angular contact ball bearing, measuring 40mm by 52mm by 14mm, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched pair (DB arrangement) for balanced performance.

This bearing handles radial loads up to 1755 lbf and spins smoothly at speeds up to 56,000 RPM. Its extra-light preload ensures minimal friction, ideal for high-precision applications.

The open design allows easy lubrication, while the phenolic cage offers quiet operation. It operates reliably in temperatures from -30°C to 110°C.

Perfect for machine tools or spindle drives where accuracy is key. Weighing just 0.062kg, it’s lightweight yet robust. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71808 CD/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 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 1755 lbf
  • Static Radial Load 2205 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.062 kg
Super Precision Angular Contact Ball Bearings 71808 CD/P4DBA dimension drawing
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Features

Performance Features of 71808 CD/P4DBA Bearing

71808 CD/P4DBA Bearing is designed with a 15° contact angle, optimising load distribution for precision tasks.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smooth operation.

The matched arrangement of two bearings enhances stability, making it suitable for high-speed applications.
With a maximum speed of 56,000 rpm, it delivers reliable performance in demanding conditions.

71808 CD/P4DBA Bearing’s extra light preload ensures minimal friction, extending its service life.
Its open design allows for easy lubrication, maintaining efficiency over time.

Application

Key Fields for 71808 CD/P4DBA Bearing
In machine tools, 71808 CD/P4DBA Bearing excels with its super precision design, handling high-speed spindle operations smoothly. The 15° contact angle ensures stable performance under radial and axial loads.

Where Is 71808 CD/P4DBA Bearing Used?
You’ll often spot 71808 CD/P4DBA Bearing in robotics, where its matched arrangement reduces vibration for precise movements. The phenolic cage adds durability in continuous operation.

Built for Heavy-Duty Use: 71808 CD/P4DBA Bearing
This bearing shines in automotive transmissions, coping with high RPMs thanks to its P4 tolerance class. The chrome steel construction keeps wear minimal even under stress.

Medical vs Industrial: Where 71808 CD/P4DBA Bearing Excels
In medical scanners, 71808 CD/P4DBA Bearing’s low noise is ideal, while industrial pumps benefit from its extra-light preload for efficiency. Both rely on its consistent accuracy.

Perfect Fit for Automation: 71808 CD/P4DBA Bearing
For CNC machines, 71808 CD/P4DBA Bearing’s lubricated design ensures long service life. Its metric sizing fits seamlessly into European and Asian equipment specs.

Q&A

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