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Super Precision Angular Contact Ball Bearings S71908 CB/P4ADGA

Super Precision Angular Contact Ball Bearings S71908 CB/P4ADGA

The S71908 CB/P4ADGA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. Its sealed design and grease lubrication ensure smooth operation with minimal maintenance.

With a 15° contact angle, it handles both radial and axial loads efficiently, supporting up to 1960 lbf dynamically. It spins at speeds up to 41,000 RPM, making it suitable for high-performance applications.

The phenolic cage and universal matching design allow flexible arrangements like back-to-back or face-to-face. This bearing excels in precision machinery, such as spindles or CNC tools, where accuracy is key.

Weighing just 0.25kg, it’s lightweight yet durable, operating in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 CB/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 3.969 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • 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 1960 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings S71908 CB/P4ADGA dimension drawing
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Features

Performance Features of S71908 CB/P4ADGA Bearing

S71908 CB/P4ADGA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing operates efficiently at speeds up to 41,000 rpm, making it suitable for high-performance machinery.
With a dynamic radial load capacity of 1960 lbf, it handles demanding conditions with ease.

S71908 CB/P4ADGA Bearing comes pre-greased and sealed, reducing maintenance needs.
Its universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The P4A tolerance class ensures high precision, ideal for applications requiring tight tolerances.
Its temperature range of -30°C to 110°C makes it versatile for various operating environments.

Application

Industrial Uses of S71908 CB/P4ADGA Bearing
S71908 CB/P4ADGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding industrial environments.

In automotive applications, S71908 CB/P4ADGA Bearing supports components like electric motors and gearboxes, offering smooth performance at high speeds. Its universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, S71908 CB/P4ADGA Bearing’s phenolic cage and chrome steel construction provide reliable operation with minimal friction. The extra light preload ensures quiet and precise movement, essential for sensitive equipment.

Where Is S71908 CB/P4ADGA Bearing Used?
You’ll often find S71908 CB/P4ADGA Bearing in robotics, particularly in robotic arms requiring precise motion control. Its high-speed capability and low friction make it ideal for repetitive, high-accuracy tasks.

In 3D printers, S71908 CB/P4ADGA Bearing ensures smooth linear motion, contributing to consistent print quality. The grease lubrication and sealed design help prolong bearing life even in dusty workshop conditions.

Built for Heavy-Duty Use: S71908 CB/P4ADGA Bearing
S71908 CB/P4ADGA Bearing handles heavy loads in conveyor systems, where its durable construction resists wear over time. The P4A tolerance class guarantees precision, even under continuous operation.

For aerospace applications, S71908 CB/P4ADGA Bearing’s ability to perform at high speeds and temperatures makes it a trusted choice. Its matched set design simplifies installation in complex assemblies.

Automotive vs Aerospace: Applications of S71908 CB/P4ADGA Bearing
In automotive systems, S71908 CB/P4ADGA Bearing is often used in turbochargers, where its high-speed performance is crucial. The angular contact design efficiently manages both radial and thrust loads.

For aerospace, S71908 CB/P4ADGA Bearing excels in flight control systems, offering reliability under extreme conditions. The phenolic cage reduces weight while maintaining strength, an important factor in aircraft design.

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