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Super Precision Angular Contact Ball Bearings 71908 CE/P4ADGA

Super Precision Angular Contact Ball Bearings 71908 CE/P4ADGA

The 71908 CE/P4ADGA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 3578 lbf and operates smoothly at high speeds up to 56,000 RPM.

With a 15° contact angle and extra light preload, it offers precise performance for demanding applications. The open design and phenolic cage ensure easy maintenance and long service life.

This bearing is part of a matched set, suitable for universal mounting in back-to-back, face-to-face, or tandem configurations. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing just 0.2kg, it’s lightweight yet robust, and works in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for superior precision.

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Product Parameters

  • Part Number 71908 CE/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 19
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 3578 lbf
  • Static Radial Load 2700 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.2 kg
Super Precision Angular Contact Ball Bearings 71908 CE/P4ADGA dimension drawing
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Features

Performance Features of 71908 CE/P4ADGA Bearing

71908 CE/P4ADGA 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 3578 lbf.

The phenolic cage ensures smooth operation at high speeds, reaching up to 56,000 rpm.
Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.

With a precision tolerance class of P4A, 71908 CE/P4ADGA Bearing delivers consistent performance.
Its extra light preload reduces friction, making it suitable for high-speed, precision tasks.

The open design simplifies lubrication, maintaining efficiency within a temperature range of -30°C to 110°C.
Weighing just 0.2 kg, it balances strength and lightweight design for versatile applications.

Application

Common Applications of 71908 CE/P4ADGA Bearing
71908 CE/P4ADGA Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate spindle rotation. The universal matching feature allows flexible arrangements for different load requirements.

In automotive applications, 71908 CE/P4ADGA Bearing supports gearbox systems, providing smooth operation under angular loads. Its phenolic cage reduces friction, enhancing efficiency in high-speed scenarios.

For medical imaging devices, 71908 CE/P4ADGA Bearing offers reliable performance due to its P4A tolerance class. The chrome steel construction ensures durability in critical, high-rotation environments.

Where Is 71908 CE/P4ADGA Bearing Used?
You’ll often find 71908 CE/P4ADGA Bearing in industrial robots, where its extra-light preload maintains precision in repetitive movements. The open design simplifies lubrication for long service life.

In aerospace components, 71908 CE/P4ADGA Bearing handles radial and axial loads in instrumentation systems. Its matched set configuration ensures consistent performance in demanding conditions.

Built for Heavy-Duty Use: 71908 CE/P4ADGA Bearing
71908 CE/P4ADGA Bearing excels in CNC machining centres, where its 56,000 rpm rating supports high-speed cutting operations. The phenolic cage material resists heat buildup during extended use.

For printing machinery, 71908 CE/P4ADGA Bearing maintains registration accuracy thanks to its tight tolerances. The lubricated design reduces maintenance needs in continuous operation environments.

Automotive vs Aerospace: Applications of 71908 CE/P4ADGA Bearing
In automotive turbochargers, 71908 CE/P4ADGA Bearing withstands both radial and thrust loads at high temperatures. The metric sizing ensures compatibility with European engine designs.

For aerospace actuators, 71908 CE/P4ADGA Bearing’s P4A precision meets strict aviation requirements. The tandem arrangement option provides compact solutions for space-constrained applications.

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