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Super Precision Angular Contact Ball Bearings S71910 CB/HCP4ADBA

Super Precision Angular Contact Ball Bearings S71910 CB/HCP4ADBA

The S71910 CB/HCP4ADBA is a super precision angular contact ball bearing, measuring 50mm by 72mm by 24mm, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2812 lbf and spins smoothly at speeds up to 34,000 RPM.

Its sealed design keeps grease in place, while the phenolic cage ensures quiet, long-lasting performance. The 15° contact angle and extra-light preload make it ideal for high-precision applications.

This matched set of two bearings works well in temperatures from -30°C to 110°C. Perfect for machine tools or high-speed spindles where accuracy and smooth operation are key.

Weighing just 0.27kg, it’s lightweight yet robust. Compliant with P4A tolerance standards for reliable performance.

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Product Parameters

  • Part Number S71910 CB/HCP4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 29
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2812 lbf
  • Static Radial Load 2812 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings S71910 CB/HCP4ADBA dimension drawing
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Features

Performance Features of S71910 CB/HCP4ADBA Bearing

S71910 CB/HCP4ADBA Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 34,000 rpm.

Its phenolic cage ensures smooth operation, even at high speeds, while maintaining stability.
The sealed design protects against contaminants, extending the bearing’s service life.

With a dynamic radial load capacity of 2812 lbf, S71910 CB/HCP4ADBA Bearing handles demanding conditions reliably.
The chrome steel rings and ceramic balls provide durability and corrosion resistance.

The matched arrangement of two bearings ensures balanced performance in angular contact applications.
Its extra light preload (Class A) minimises vibration, making it ideal for precision machinery.

Application

Essential Roles of S71910 CB/HCP4ADBA Bearing
S71910 CB/HCP4ADBA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In automotive applications, S71910 CB/HCP4ADBA Bearing supports precision components like electric motor shafts, thanks to its extra-light preload and angular contact design. The metric sizing makes it a versatile choice for various vehicle models.

For medical imaging devices, S71910 CB/HCP4ADBA Bearing’s chrome steel rings and ceramic balls provide smooth, quiet operation. Its P4A tolerance class ensures the accuracy needed for sensitive diagnostic equipment.

In robotics, S71910 CB/HCP4ADBA Bearing excels in articulated arms, where its matched arrangement maintains alignment under dynamic loads. The grease lubrication further enhances its reliability in continuous operation.

S71910 CB/HCP4ADBA Bearing is also found in consumer electronics like high-end turntables, where its precision and low noise contribute to superior audio quality. The temperature range suits both indoor and outdoor use.

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