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Super Precision Angular Contact Ball Bearings 71908 CE/P4ADBA

Super Precision Angular Contact Ball Bearings 71908 CE/P4ADBA

The 71908 CE/P4ADBA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a matched pair for balanced performance.

Designed for angular contact loads, it handles dynamic radial loads up to 3578 lbf and spins smoothly at speeds up to 56,000 RPM. The phenolic cage ensures durability while keeping noise levels low.

Its open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. The extra light preload (Class A) ensures minimal friction during use.

Ideal for high-precision applications like machine tool spindles or high-speed robotics, where accuracy and smooth operation are key. Weighing just 0.2kg, it’s lightweight yet robust for demanding tasks.

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Product Parameters

  • Part Number 71908 CE/P4ADBA
  • 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 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/P4ADBA dimension drawing
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Features

Performance Features of 71908 CE/P4ADBA Bearing

71908 CE/P4ADBA Bearing is designed with a 15° contact angle, ideal for precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 3578 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at high speeds.
With a maximum speed of 56,000 rpm, it excels in demanding high-speed environments.

71908 CE/P4ADBA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures minimal friction and optimal precision.

The matched arrangement of two bearings (DB) provides balanced load distribution.
This design enhances stability and extends the bearing’s service life.

71908 CE/P4ADBA Bearing’s open seal type allows for easy lubrication and maintenance.
Its precision tolerance class (P4A) guarantees consistent performance in critical applications.

Application

Industrial Uses of 71908 CE/P4ADBA Bearing
71908 CE/P4ADBA Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

What Makes 71908 CE/P4ADBA Bearing a Preferred Choice?
In automotive applications, 71908 CE/P4ADBA Bearing supports components like turbochargers and transmissions, thanks to its ability to handle both radial and axial loads. The phenolic cage offers quiet operation, ideal for vehicle performance.

Built for Heavy-Duty Use: 71908 CE/P4ADBA Bearing
For medical imaging devices, 71908 CE/P4ADBA Bearing’s chrome steel construction ensures reliability in high-precision equipment. Its extra light preload class makes it suitable for sensitive medical instruments requiring minimal friction.

Automotive vs Aerospace: Applications of 71908 CE/P4ADBA Bearing
In aerospace, 71908 CE/P4ADBA Bearing is used in gyroscopes and flight control systems, where its P4A tolerance class guarantees precision. The metric sizing also makes it compatible with various European machinery standards.

Where to Use 71908 CE/P4ADBA Bearing
71908 CE/P4ADBA Bearing fits well in robotics, particularly in articulated arms requiring smooth motion. The open seal design allows for easy lubrication, extending the bearing’s service life in automated systems.

Q&A

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