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Super Precision Angular Contact Ball Bearings 71813 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71813 CD/P4DGA

The 71813 CD/P4DGA is a super precision angular contact ball bearing with a 65mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 15° contact angle and comes in a matched set of two for versatile mounting options.

This bearing handles radial loads up to 4972 lbf and spins smoothly at speeds up to 36,000 RPM. Its phenolic cage ensures quiet operation and long service life, even in demanding conditions.

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

Weighing just 0.25kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it reliable in various environments. Universal matching enables flexible configurations like back-to-back or face-to-face arrangements.

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Product Parameters

  • Part Number 71813 CD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4972 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings 71813 CD/P4DGA dimension drawing
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Features

Performance Features of 71813 CD/P4DGA Bearing

71813 CD/P4DGA Bearing is crafted for super precision with a 15° contact angle, ideal for angular contact applications.
Its universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.
With a dynamic radial load capacity of 4972 lbf, it handles demanding tasks with ease.

Operating at speeds up to 36,000 rpm, 71813 CD/P4DGA Bearing maintains performance in temperatures from -30°C to 110°C.
Its P4 tolerance class guarantees high precision and reliability in critical applications.

Application

Industrial Uses of 71813 CD/P4DGA Bearing
71813 CD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The phenolic cage reduces friction, making it suitable for high-speed operations.

In robotics, 71813 CD/P4DGA Bearing ensures smooth movement in articulated arms, thanks to its universal matching feature. The extra light preload also minimises vibration, enhancing accuracy in automated tasks.

For medical imaging devices, 71813 CD/P4DGA Bearing’s P4 tolerance class guarantees consistent performance. Its chrome steel construction provides durability in demanding environments, ensuring long-term reliability.

Automotive applications like electric motor shafts benefit from 71813 CD/P4DGA Bearing’s high-speed capability. The lubricated design further extends its service life, even under continuous use.

Q&A

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