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Super Precision Angular Contact Ball Bearings S71913 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71913 CD/HCP4A

The S71913 CD/HCP4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. Its compact 13mm width makes it suitable for tight spaces, while the 15° contact angle ensures smooth angular load handling.

Made from chrome steel with ceramic balls, it offers low friction and can handle dynamic radial loads up to 4680 lbf. The phenolic cage enhances durability, and the sealed design keeps lubrication in place for long-term performance.

This bearing is preloaded and available in matched sets, ideal for precision machinery like spindles or robotics. It spins at speeds up to 17,000 RPM and operates in temperatures from -30°C to 110°C.

Weighing just 0.18kg, it meets P4 tolerance standards (ABEC-7) for exceptional accuracy. Interchangeable with SKF bearings, it’s a reliable choice for demanding industrial applications.

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Product Parameters

  • Part Number S71913 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 3825 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 17000 rpm
  • Weight 0.18 kg
  • Price（$） 76.617
Super Precision Angular Contact Ball Bearings S71913 CD/HCP4A dimension drawing
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Features

How Does S71913 CD/HCP4A Bearing Reduce Friction?

S71913 CD/HCP4A Bearing features ceramic balls that significantly lower friction during high-speed operation.
Its 15° contact angle ensures smooth angular contact, reducing energy loss and heat generation.
The phenolic cage maintains ball alignment, further enhancing efficiency.
With a maximum speed of 17,000 rpm, it delivers reliable performance in precision applications.

Performance Features of S71913 CD/HCP4A Bearing

S71913 CD/HCP4A Bearing is designed for super precision tasks, meeting P4 tolerance class standards.
The chrome steel rings and ceramic balls provide excellent durability and reduced wear.
Its sealed design keeps contaminants out, ensuring consistent performance.
With a dynamic radial load capacity of 4680 lbf, it handles demanding applications with ease.

Why Choose S71913 CD/HCP4A Bearing for Precision Tasks?

S71913 CD/HCP4A Bearing offers matched arrangement and preload options for enhanced accuracy.
The ceramic balls and phenolic cage work together to minimise vibration and noise.
Its compact size (65 mm×90 mm×13 mm) makes it ideal for space-constrained applications.
The bearing operates efficiently within a temperature range of -30° to 110°C.

Application

Industrial Uses of S71913 CD/HCP4A Bearing
S71913 CD/HCP4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The ceramic balls reduce friction, making it suitable for applications requiring smooth operation.

What Makes S71913 CD/HCP4A Bearing a Preferred Choice?
In robotics, S71913 CD/HCP4A Bearing supports articulated arms, providing stability and precision. Its phenolic cage offers durability, even in demanding automated environments.

Built for Heavy-Duty Use: S71913 CD/HCP4A Bearing
S71913 CD/HCP4A Bearing excels in aerospace applications, such as turbine engines, where its high-speed capabilities are essential. The sealed design helps maintain performance in challenging conditions.

Automotive vs Aerospace: Applications of S71913 CD/HCP4A Bearing
In automotive systems, S71913 CD/HCP4A Bearing is ideal for wheel hubs, offering reliable performance. For aerospace, it handles the rigorous demands of flight control systems with ease.

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