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Super Precision Angular Contact Ball Bearings S71909 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71909 CD/HCP4A

The S71909 CD/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 efficiently handles combined loads.

Made from chrome steel with ceramic balls, it offers smooth operation and reduced friction. The phenolic cage ensures durability, and the sealed design keeps lubrication in place for long-term performance.

This bearing can handle dynamic radial loads up to 2925 lbf and spins at speeds up to 24,000 RPM. It operates reliably in temperatures from -30°C to 110°C, making it versatile for various conditions.

Ideal for precision machinery like spindles or CNC equipment, it meets P4 tolerance standards for accuracy. Weighing just 0.12kg, it’s lightweight yet robust for its size. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71909 CD/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 6.35 mm
  • Ball Qty 23
  • 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 2925 lbf
  • Static Radial Load 2138 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 24000 rpm
  • Weight 0.12 kg
  • Price（$） 389.421
Super Precision Angular Contact Ball Bearings S71909 CD/HCP4A dimension drawing
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Features

Why Choose S71909 CD/HCP4A Bearing for Precision Tasks?

S71909 CD/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
The ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 2925 lbf, it handles demanding tasks efficiently.
Its P4 tolerance class guarantees exceptional accuracy for precision instruments.

The sealed design and lubrication extend service life, reducing maintenance needs.
S71909 CD/HCP4A Bearing operates at speeds up to 24,000 rpm, balancing performance and durability.

Application

Industrial Uses of S71909 CD/HCP4A Bearing
S71909 CD/HCP4A Bearing is commonly used in high-speed machine spindles, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications demanding smooth rotation.

In automotive systems, S71909 CD/HCP4A Bearing supports components like turbochargers and electric motors, where its sealed design protects against contaminants. The P4 tolerance class ensures consistent performance in demanding conditions.

For medical imaging devices, S71909 CD/HCP4A Bearing’s phenolic cage provides quiet operation, crucial for sensitive equipment. Its lubricated design further enhances longevity in continuous-use scenarios.

Automation & robotics benefit from S71909 CD/HCP4A Bearing’s matched arrangement, which simplifies installation in robotic arms. The preload option allows for fine-tuning to suit specific motion control requirements.

In consumer electronics, S71909 CD/HCP4A Bearing’s compact size fits neatly into devices like high-end printers. The chrome steel rings ensure durability even with frequent use.

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