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Super Precision Angular Contact Ball Bearings S71908 CE/HCP4ADBB

Super Precision Angular Contact Ball Bearings S71908 CE/HCP4ADBB

The S71908 CE/HCP4ADBB is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. Its compact 24mm width and ceramic balls ensure smooth operation under radial loads up to 3578 lbf.

With a 15° contact angle and sealed design, it handles high speeds up to 41,000 RPM while maintaining stability. The phenolic cage and grease lubrication make it low-maintenance and reliable in temperatures from -30°C to 110°C.

This matched pair (DB arrangement) offers light preload for precise performance in demanding applications. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing just 0.19kg, it meets P4A tolerance standards for exceptional precision. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71908 CE/HCP4ADBB
  • 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 Sealed
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3578 lbf
  • Static Radial Load 2700 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.19 kg
Super Precision Angular Contact Ball Bearings S71908 CE/HCP4ADBB dimension drawing
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Features

Performance Features of S71908 CE/HCP4ADBB Bearing

S71908 CE/HCP4ADBB Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.

The ceramic balls and phenolic cage reduce friction, enabling smooth operation at high speeds up to 41,000 rpm.

Its sealed design and grease lubrication ensure minimal maintenance, even in demanding conditions.

The matched arrangement of two bearings provides stability and precision for critical applications.

Application

Industrial Uses of S71908 CE/HCP4ADBB Bearing
S71908 CE/HCP4ADBB Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

Where Is S71908 CE/HCP4ADBB Bearing Used?
In robotics, S71908 CE/HCP4ADBB Bearing supports articulated arms, providing stability and precision in repetitive movements. Its light preload and sealed design help maintain performance in dusty environments.

Built for Heavy-Duty Use: S71908 CE/HCP4ADBB Bearing
S71908 CE/HCP4ADBB Bearing excels in aerospace applications, such as helicopter rotor systems, where its high-speed capability and durability are critical. The matched arrangement ensures balanced load distribution.

Automotive vs Aerospace: Applications of S71908 CE/HCP4ADBB Bearing
In automotive systems, S71908 CE/HCP4ADBB Bearing is found in turbochargers, handling high rotational speeds with ease. For aerospace, it’s trusted in flight control systems due to its reliability under extreme conditions.

Key Fields for S71908 CE/HCP4ADBB Bearing
Medical imaging devices benefit from S71908 CE/HCP4ADBB Bearing’s precision and low noise, ensuring clear and accurate scans. The phenolic cage adds corrosion resistance, extending its lifespan in sterile environments.

Q&A

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