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Super Precision Angular Contact Ball Bearings S71922 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71922 ACEGA/HCP4A

The S71922 ACEGA/HCP4A is a super precision angular contact ball bearing with a 110mm bore and 150mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and ceramic balls ensure smooth operation under angular loads.

This sealed unit comes pre-lubricated with grease, handling radial loads up to 8482 lbf and speeds reaching 10,000 RPM. The phenolic cage provides excellent durability while keeping weight low at just 0.71kg.

With P4A tolerance class, it offers exceptional precision for demanding applications. The bearing operates reliably in temperatures from -30°C to 110°C.

Ideal for high-precision machinery like spindles or CNC equipment, it can be arranged in back-to-back, face-to-face, or tandem configurations. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71922 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 110 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 150 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 8482 lbf
  • Static Radial Load 7312 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 10000 rpm
  • Weight 0.71 kg
  • Price（$） 43.2
Super Precision Angular Contact Ball Bearings S71922 ACEGA/HCP4A dimension drawing
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Features

Performance Features of S71922 ACEGA/HCP4A Bearing

S71922 ACEGA/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and speed capabilities.

The phenolic cage in S71922 ACEGA/HCP4A Bearing ensures smooth operation, even at high speeds up to 10,000 rpm.
With a dynamic radial load capacity of 8482 lbf, it handles demanding conditions reliably.

S71922 ACEGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs while protecting against contaminants.

The P4A tolerance class ensures high precision, making S71922 ACEGA/HCP4A Bearing suitable for critical applications.
Its universal matching capability allows flexible arrangement options for varied operational requirements.

Application

Super Precision Angular Contact Ball Bearings S71922 ACEGA/HCP4A are commonly used in high-speed machine tools, where their ceramic balls and phenolic cage reduce friction and heat buildup. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In aerospace applications, S71922 ACEGA/HCP4A provides reliable angular contact support for components like turbine shafts, thanks to its P4A tolerance class. The extra-light preload also minimises vibration, crucial for precision flight systems.

For robotics, S71922 ACEGA/HCP4A excels in articulated arms, where its 25° contact angle handles combined radial and axial loads smoothly. The grease lubrication ensures quiet operation, ideal for sensitive automated processes.

Medical imaging devices benefit from S71922 ACEGA/HCP4A’s consistent accuracy, essential for detailed scans. The chrome steel rings and ceramic balls offer durability while maintaining low noise levels in clinical settings.

In electric vehicle motors, S71922 ACEGA/HCP4A supports high-speed rotation with minimal energy loss. Its metric sizing and universal matching options make it versatile for various motor designs across different manufacturers.

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