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Super Precision Angular Contact Ball Bearings S71910 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71910 ACE/HCP4A

The S71910 ACE/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes pre-lubricated for smooth operation.

With ceramic balls and a phenolic cage, it handles radial loads up to 2722 lbf and spins at speeds up to 28,000 RPM. Its sealed design keeps contaminants out, ensuring reliable performance in demanding conditions.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Its P4 tolerance class (ABEC-7) guarantees exceptional accuracy for tasks requiring tight control.

Weighing just 0.11kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Interchangeable with SKF bearings, it offers a practical solution for replacements or upgrades.

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Product Parameters

  • Part Number S71910 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.11 kg
  • Price（$） 445.734
Super Precision Angular Contact Ball Bearings S71910 ACE/HCP4A dimension drawing
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Features

Performance Features of S71910 ACE/HCP4A Bearing

S71910 ACE/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 28,000 rpm, it balances precision and performance in demanding conditions.

S71910 ACE/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its sealed design and preload availability contribute to consistent performance over time.

Application

Industrial Uses of S71910 ACE/HCP4A Bearing
S71910 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise spindle rotation. The ceramic balls reduce friction, making it suitable for continuous operation in demanding environments.

What Makes S71910 ACE/HCP4A Bearing a Preferred Choice?
In automotive applications, S71910 ACE/HCP4A Bearing supports components like turbochargers and electric motors, thanks to its high-speed capability and reliable load handling. The sealed design also helps protect against contaminants in harsh conditions.

Perfect Fit for Automation: S71910 ACE/HCP4A Bearing
S71910 ACE/HCP4A Bearing excels in robotic arms and CNC machines, where its phenolic cage provides stability and low heat generation. The P4 tolerance class ensures consistent performance in precision-driven tasks.

Medical vs Industrial: Where S71910 ACE/HCP4A Bearing Excels
For medical imaging devices, S71910 ACE/HCP4A Bearing offers smooth and quiet operation, essential for sensitive equipment. In industrial settings, its durability and speed make it ideal for packaging machinery and conveyor systems.

Q&A

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