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Super Precision Angular Contact Ball Bearings S71924 ACE/HCP4A

Super Precision Angular Contact Ball Bearings S71924 ACE/HCP4A

The S71924 ACE/HCP4A is a super precision angular contact ball bearing with a 120mm bore and 165mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under high speeds.

This sealed bearing handles radial loads up to 10102 lbf and spins at speeds up to 11500 RPM. The phenolic cage adds stability, while the P4 tolerance class guarantees precise performance.

Ideal for applications requiring high accuracy, such as machine tool spindles or precision instruments. Its compact 22mm width and 0.97kg weight make it easy to integrate into tight spaces.

Compatible with SKF bearings, it’s a reliable choice for replacements. The lubricated design ensures long service life, even in temperatures ranging from -30°C to 110°C.

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Product Parameters

  • Part Number S71924 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 120 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 165 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 22 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 14.288 mm
  • Ball Qty 24
  • Contact Angle 25°
  • 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 10102 lbf
  • Static Radial Load 8550 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 11500 rpm
  • Weight 0.97 kg
  • Price（$） 1816.866
Super Precision Angular Contact Ball Bearings S71924 ACE/HCP4A dimension drawing
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Features

Why Choose S71924 ACE/HCP4A Bearing for Precision Tasks?

S71924 ACE/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
The ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 11,500 rpm.

Its phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a dynamic radial load capacity of 10,102 lbf, it performs reliably in demanding applications.

The sealed design protects against contaminants, making S71924 ACE/HCP4A Bearing suitable for clean environments.
Preload options further improve accuracy, catering to high-precision machinery needs.

Application

Key Fields for S71924 ACE/HCP4A Bearing
S71924 ACE/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 suitable for demanding industrial environments.

In robotics, S71924 ACE/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and sealed design. This helps maintain performance even in automated production lines with frequent movement.

For medical imaging devices, S71924 ACE/HCP4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The lubricated construction also extends service life in continuous-use applications.

In aerospace applications, S71924 ACE/HCP4A Bearing handles both radial and axial loads efficiently, making it a reliable choice for flight control systems. Its temperature range accommodates various operational conditions.

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