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Super Precision Angular Contact Ball Bearings 71816 CD/P4DFB

Super Precision Angular Contact Ball Bearings 71816 CD/P4DFB

The 71816 CD/P4DFB is a super precision angular contact ball bearing with an 80mm bore and 100mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 5355 lbf and spins smoothly at speeds up to 28,000 RPM.

Its 15° contact angle and matched arrangement (DF) provide excellent stability for angular loads, while the phenolic cage ensures quiet operation. The bearing operates well in temperatures from -30°C to 110°C.

This open-design bearing comes pre-lubricated for easy use and is interchangeable with SKF models. Ideal for high-precision applications like machine tool spindles or robotics where accuracy is key.

Weighing just 0.3kg, it’s lightweight yet robust, with a P4 tolerance class for precise performance. The set includes two matched bearings for balanced load distribution.

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Product Parameters

  • Part Number 71816 CD/P4DFB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 80 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 100 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 35
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5355 lbf
  • Static Radial Load 8212 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.3 kg
Super Precision Angular Contact Ball Bearings 71816 CD/P4DFB dimension drawing
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Features

Performance Features of 71816 CD/P4DFB Bearing

71816 CD/P4DFB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 5355 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 28,000 rpm.
With a P4 tolerance class, 71816 CD/P4DFB Bearing delivers precise performance in demanding conditions.

Preloaded and matched in a DF arrangement, it reduces vibration and improves stability.
The open design allows easy lubrication, extending service life while maintaining efficiency.

Application

Practical Applications of 71816 CD/P4DFB Bearing
71816 CD/P4DFB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched DF arrangement provides stability, making it ideal for grinding and milling operations.

In robotics, 71816 CD/P4DFB Bearing supports articulated arms, offering smooth movement under angular loads. Its phenolic cage reduces friction, enhancing performance in automated assembly lines.

For aerospace applications, 71816 CD/P4DFB Bearing’s P4 tolerance class meets the stringent requirements of flight control systems. The chrome steel construction ensures durability in demanding conditions.

Medical imaging devices benefit from 71816 CD/P4DFB Bearing’s low vibration and high-speed capabilities. Its lubricated design ensures quiet operation, crucial for sensitive diagnostic equipment.

In electric vehicles, 71816 CD/P4DFB Bearing is used in motor shafts, where its light preload reduces energy loss. The metric sizing ensures compatibility with modern EV designs.

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