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Super Precision Angular Contact Ball Bearings 71809 CD/P4DT

Super Precision Angular Contact Ball Bearings 71809 CD/P4DT

The 71809 CD/P4DT is a super precision angular contact ball bearing with a 45mm bore and 58mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 1784 lbf and spins smoothly at speeds up to 46,000 RPM.

Its 15° contact angle and matched arrangement of two bearings provide stability under angular loads. The phenolic cage ensures quiet operation and long service life.

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 medical equipment.

Weighing just 0.078kg, it’s lightweight yet robust, meeting P4 tolerance standards for exceptional accuracy. Interchangeable with SKF bearings for convenient replacement.

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Product Parameters

  • Part Number 71809 CD/P4DT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 58 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 31
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1784 lbf
  • Static Radial Load 2385 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.078 kg
Super Precision Angular Contact Ball Bearings 71809 CD/P4DT dimension drawing
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Features

Performance Features of 71809 CD/P4DT Bearing

71809 CD/P4DT Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 1784 lbf.

The phenolic cage in 71809 CD/P4DT Bearing maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 46,000 rpm, it delivers reliable precision in demanding environments.

71809 CD/P4DT Bearing operates efficiently within a temperature range of -30°C to 110°C, suitable for various industrial conditions.
Its matched arrangement of two bearings enhances stability and load-handling capacity.

Application

Key Fields for 71809 CD/P4DT Bearing
In machine tools, 71809 CD/P4DT Bearing handles high-speed spindle rotations with precision, thanks to its 15° contact angle and P4 tolerance class. The matched arrangement ensures stability during demanding operations.

Where Is 71809 CD/P4DT Bearing Used?
You’ll often spot 71809 CD/P4DT Bearing in automotive transmissions, where its angular contact design manages combined loads smoothly. The phenolic cage reduces friction, ideal for high-RPM applications.

Built for Heavy-Duty Use: 71809 CD/P4DT Bearing
This bearing excels in robotics, supporting articulated arms with its balanced load distribution. The chrome steel construction offers durability in continuous operation environments.

Medical vs Industrial: Where 71809 CD/P4DT Bearing Excels
In medical imaging devices, 71809 CD/P4DT Bearing provides quiet, vibration-free performance. Industrial pumps benefit from its lubricated design, ensuring long service life under radial loads.

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