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Super Precision Angular Contact Ball Bearings 71808 CD/P4DGB

Super Precision Angular Contact Ball Bearings 71808 CD/P4DGB

The 71808 CD/P4DGB is a super precision angular contact ball bearing with a 40mm bore and 52mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for light preload applications.

This bearing handles radial loads up to 1755 lbf and can reach speeds of 56,000 RPM, making it suitable for high-performance machinery. Its open design and phenolic cage ensure smooth operation and durability.

The universal matching allows for flexible arrangements like back-to-back or face-to-face setups. It works well in temperatures ranging from -30°C to 110°C.

Ideal for precision equipment such as spindles or machine tools, this bearing is interchangeable with SKF models. Weighing just 0.062kg, it’s lightweight yet robust for its size. Comes as a matched set of two for balanced performance.

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Product Parameters

  • Part Number 71808 CD/P4DGB
  • 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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/P4DGB dimension drawing
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Features

Performance Features of 71808 CD/P4DGB Bearing

71808 CD/P4DGB Bearing is crafted with chrome steel rings and balls, offering high precision for angular contact applications.
Its 15° contact angle ensures optimal load distribution, enhancing performance in high-speed scenarios.
The phenolic cage maintains ball alignment, reducing friction and noise during operation.
With a maximum speed of 56,000 rpm, it delivers both efficiency and durability.

How Is 71808 CD/P4DGB Bearing Engineered for Reliability?

71808 CD/P4DGB Bearing features universal matching, allowing flexible arrangements like back-to-back or face-to-face.
Its light preload (Class B) ensures smooth operation while minimising wear.
The open design facilitates easy lubrication, maintaining performance over time.
With a dynamic radial load of 1755 lbf, it handles demanding conditions with ease.

Built for Precision: 71808 CD/P4DGB Bearing

71808 CD/P4DGB Bearing meets P4 tolerance class, guaranteeing exceptional accuracy for precision tasks.
The 29 chrome steel balls, each 3.175 mm in diameter, ensure even load distribution.
Its compact size (40 mm×52 mm×14 mm) makes it suitable for space-constrained applications.
Operating between -30°C to 110°C, it performs reliably in varied environments.

Application

Key Fields for 71808 CD/P4DGB Bearing
71808 CD/P4DGB Bearing is commonly used in high-precision machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The open design and light preload make it suitable for applications requiring smooth, low-friction rotation.

In robotics, 71808 CD/P4DGB Bearing supports articulated arms and joints, thanks to its universal matching capability. The phenolic cage reduces weight while maintaining stability during high-speed movements.

For medical imaging devices, 71808 CD/P4DGB Bearing’s P4 tolerance class guarantees consistent performance in sensitive equipment. Its chrome steel construction also resists wear in demanding environments.

Automotive applications like electric power steering systems benefit from 71808 CD/P4DGB Bearing’s dynamic load capacity. The lubricated design ensures long service life even under continuous use.

In 3D printers, 71808 CD/P4DGB Bearing’s precise movement and low noise make it ideal for print head mechanisms. The tandem arrangement option allows for custom setups based on load requirements.

Q&A

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