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Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4A

Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4A

The S71910 ACB/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from chrome steel for durability. Its compact 12mm width and ceramic balls ensure smooth operation at high speeds.

With a 25° contact angle and P4 tolerance class, it handles radial loads up to 1638 lbf and spins efficiently at 28,000 RPM. The sealed design keeps lubrication in place, reducing maintenance needs.

Ideal for high-speed applications like machine tool spindles or precision instruments, this bearing offers reliable performance in temperatures from -30°C to 110°C. Its phenolic cage adds stability while keeping weight low at just 0.13kg.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades in demanding environments. The preload option allows for fine-tuning to suit specific application requirements.

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Product Parameters

  • Part Number S71910 ACB/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 4.762 mm
  • Ball Qty 29
  • 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 1638 lbf
  • Static Radial Load 1350 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.13 kg
  • Price（$） 446.58
Super Precision Angular Contact Ball Bearings S71910 ACB/HCP4A dimension drawing
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Features

How Is S71910 ACB/HCP4A Bearing Engineered for Reliability?

S71910 ACB/HCP4A Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The ceramic balls reduce friction, enhancing speed capabilities up to 28,000 rpm.

Its chrome steel rings and phenolic cage ensure durability and smooth operation under high-speed conditions.
The P4 tolerance class guarantees precision, making it suitable for demanding applications.

With a dynamic radial load capacity of 1638 lbf, S71910 ACB/HCP4A Bearing delivers consistent performance.
The sealed design protects against contaminants, extending its service life.

Preload availability allows for fine-tuning, ensuring optimal performance in precision setups.
Its compact 50 mm×72 mm×12 mm size makes it ideal for space-constrained applications.

Application

Industrial Uses of S71910 ACB/HCP4A Bearing
S71910 ACB/HCP4A Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

What Makes S71910 ACB/HCP4A Bearing a Preferred Choice?
In robotics, S71910 ACB/HCP4A Bearing excels in articulated arms due to its low heat generation and high-speed capability. The phenolic cage adds durability, even in continuous operation scenarios.

Perfect Fit for Automation: S71910 ACB/HCP4A Bearing
S71910 ACB/HCP4A Bearing works well in CNC machines, providing stability during intricate cutting operations. Its sealed design keeps contaminants out, extending service life in dusty environments.

Medical vs Industrial: Where S71910 ACB/HCP4A Bearing Excels
For medical imaging devices, S71910 ACB/HCP4A Bearing offers quiet and precise movement, essential for clear diagnostics. In industrial settings, it handles radial and axial loads efficiently.

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