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Super Precision Angular Contact Ball Bearings S71909 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71909 CB/HCP4A

The S71909 CB/HCP4A is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, designed for high-speed applications. Its compact 12mm width makes it suitable for tight spaces, while the 15° contact angle ensures smooth angular load handling.

Made from chrome steel rings and ceramic balls, it offers low friction and can handle dynamic radial loads up to 1667 lbf. The phenolic cage provides durability, and the sealed design keeps lubrication in place for long-lasting performance.

This bearing spins at speeds up to 32,000 RPM and operates in temperatures from -30°C to 110°C. It meets P4 (ABEC-7) tolerance standards for precision engineering.

Ideal for machine tools, spindles, or other high-speed equipment requiring accuracy. Its interchangeable design with SKF bearings makes replacements easy. Weighing just 0.13kg, it’s lightweight yet robust.

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Product Parameters

  • Part Number S71909 CB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 27
  • 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 1667 lbf
  • Static Radial Load 1316 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 32000 rpm
  • Weight 0.13 kg
  • Price（$） 388.962
Super Precision Angular Contact Ball Bearings S71909 CB/HCP4A dimension drawing
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Features

Why Choose S71909 CB/HCP4A Bearing for Precision Tasks?

S71909 CB/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure minimal friction and long-lasting performance.

With a dynamic radial load capacity of 1667 lbf, it handles demanding tasks with ease.
The phenolic cage maintains ball alignment, reducing wear and enhancing durability.

S71909 CB/HCP4A Bearing operates at speeds up to 32,000 rpm, making it suitable for high-speed machinery.
Its sealed design keeps lubrication intact, ensuring consistent performance over time.

The P4 tolerance class guarantees exceptional precision, meeting strict industry standards.
This bearing is preloaded and available in matched sets for enhanced stability.

Application

Common Applications of S71909 CB/HCP4A Bearing
S71909 CB/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The ceramic balls reduce friction, making it ideal for operations requiring smooth rotation.

In robotics, S71909 CB/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its sealed design helps keep contaminants out, extending service life in demanding environments.

For aerospace applications, S71909 CB/HCP4A Bearing’s phenolic cage and P4 tolerance class offer reliability in navigation systems and flight controls. The lightweight construction also contributes to fuel efficiency.

In medical imaging devices, S71909 CB/HCP4A Bearing’s low vibration and high-speed capabilities ensure clear, precise results. The lubricated design minimises maintenance needs in critical healthcare equipment.

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