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Super Precision Angular Contact Ball Bearings 71908 CE/P4ADBB

Super Precision Angular Contact Ball Bearings 71908 CE/P4ADBB

The 71908 CE/P4ADBB is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel, it features a 15° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 3578 lbf and reaches speeds of 56,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precision. It operates in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle drives, this bearing is interchangeable with SKF models. Weighing just 0.2kg, it’s lightweight yet robust for demanding tasks.

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Product Parameters

  • Part Number 71908 CE/P4ADBB
  • 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 2 bearings <> DB
  • 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 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/P4ADBB dimension drawing
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Features

How Does 71908 CE/P4ADBB Bearing Achieve Super Precision?

71908 CE/P4ADBB Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
The matched arrangement of two bearings ensures balanced load distribution and smooth operation.

With a dynamic radial load capacity of 3578 lbf, it handles demanding tasks effortlessly.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.

71908 CE/P4ADBB Bearing operates at speeds up to 56,000 rpm, making it ideal for high-performance machinery.
Its chrome steel construction resists wear, ensuring long-term reliability in varied conditions.

The light preload design minimises vibration, contributing to quieter and more efficient performance.
This bearing is lubricated for reduced maintenance, saving time and operational costs.

Application

Common Applications of 71908 CE/P4ADBB Bearing
71908 CE/P4ADBB Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability under radial and axial loads.
In automotive applications, 71908 CE/P4ADBB Bearing supports gearbox systems, offering smooth performance at high RPMs. Its phenolic cage reduces friction, making it suitable for demanding driving conditions.
For robotics, 71908 CE/P4ADBB Bearing is ideal for articulated arms, thanks to its light preload and consistent torque. The open seal design allows for easy lubrication, extending its service life in continuous operation.

Industrial Uses of 71908 CE/P4ADBB Bearing
71908 CE/P4ADBB Bearing excels in CNC machining centres, where its P4A tolerance class ensures tight tolerances for precision cutting. The chrome steel construction enhances durability in heavy-duty operations.
In aerospace components, 71908 CE/P4ADBB Bearing handles high-speed rotations in turbine systems. Its ability to maintain performance at extreme temperatures makes it reliable for critical applications.

Where to Use 71908 CE/P4ADBB Bearing
71908 CE/P4ADBB Bearing is a great fit for dental drills, providing quiet and vibration-free operation. The light preload ensures minimal wear during frequent start-stop cycles.
For 3D printers, 71908 CE/P4ADBB Bearing offers smooth linear motion in print heads. Its matched bearing set reduces play, improving print accuracy and detail.

Key Fields for 71908 CE/P4ADBB Bearing
71908 CE/P4ADBB Bearing is commonly found in optical equipment, where its precision reduces alignment errors. The phenolic cage minimises heat generation, crucial for sensitive instruments.
In packaging machinery, 71908 CE/P4ADBB Bearing supports high-speed conveyor belts. Its robust design ensures long-term reliability in continuous production environments.

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