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Super Precision Angular Contact Ball Bearings 71922 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71922 ACB/HCP4A

The 71922 ACB/HCP4A is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, designed for high-speed applications. Made from chrome steel and ceramic balls, it offers smooth rotation and durability.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 5558 lbf dynamically. Its phenolic cage ensures stability at speeds up to 19,000 RPM.

The open design allows easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for machine tools or high-precision spindles where accuracy is key.

Weighing 0.84kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Matched arrangements are available for paired mounting needs.

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Product Parameters

  • Part Number 71922 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 8.731 mm
  • Ball Qty 37
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 5558 lbf
  • Static Radial Load 5738 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 19000 rpm
  • Weight 0.84 kg
  • Price（$） 1411.821
Super Precision Angular Contact Ball Bearings 71922 ACB/HCP4A dimension drawing
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Features

Performance Features of 71922 ACB/HCP4A Bearing

71922 ACB/HCP4A Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.

Its chrome steel rings and ceramic balls ensure high precision and durability in demanding applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a maximum speed of 19,000 rpm, it is ideal for high-speed operations.

Application

Key Fields for 71922 ACB/HCP4A Bearing
71922 ACB/HCP4A Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In aerospace components, 71922 ACB/HCP4A Bearing provides reliable performance in gearboxes and rotor systems. Its phenolic cage offers lightweight durability, crucial for aviation environments.

For automation systems, 71922 ACB/HCP4A Bearing supports robotic arms with smooth, precise movement. The P4 tolerance class guarantees consistent operation in repetitive tasks.

Medical imaging devices benefit from 71922 ACB/HCP4A Bearing’s low vibration and high-speed capabilities. The chrome steel rings ensure long-term reliability in critical healthcare equipment.

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