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Super Precision Angular Contact Ball Bearings S71920 ACEGA/HCP4A

Super Precision Angular Contact Ball Bearings S71920 ACEGA/HCP4A

The S71920 ACEGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from chrome steel for durability. Its 25° contact angle and ceramic balls ensure smooth operation under radial loads up to 8348 lbf.

This sealed bearing comes pre-greased and can handle speeds up to 16,250 RPM, making it suitable for high-performance applications. The phenolic cage adds stability while keeping the weight light at just 0.66kg.

With a P4A tolerance class, it offers exceptional accuracy for demanding setups. Ideal for spindle drives or precision machinery where low friction and high speed are key.

The bearing operates in temperatures from -30°C to 110°C and is interchangeable with SKF models. Its universal matching capability allows flexible arrangements like back-to-back or tandem mounting.

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Product Parameters

  • Part Number S71920 ACEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 24
  • 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 8348 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 0.66 kg
Super Precision Angular Contact Ball Bearings S71920 ACEGA/HCP4A dimension drawing
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Features

Performance Features of S71920 ACEGA/HCP4A Bearing

S71920 ACEGA/HCP4A Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 16,250 rpm.

The phenolic cage in S71920 ACEGA/HCP4A Bearing reduces friction and wear, enhancing longevity.
With a dynamic radial load capacity of 8348 lbf, it performs reliably in demanding applications.

S71920 ACEGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, ensuring consistent performance.

The P4A tolerance class of S71920 ACEGA/HCP4A Bearing guarantees high precision for critical tasks.
Its universal matching capability allows flexible arrangement options like back-to-back or tandem setups.

Application

How Does S71920 ACEGA/HCP4A Bearing Improve Performance?
S71920 ACEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The sealed design keeps contaminants out, ensuring long-lasting performance in demanding environments.

In robotics, S71920 ACEGA/HCP4A Bearing provides precise angular contact support for articulated arms, enhancing movement accuracy. Its extra-light preload makes it ideal for applications requiring minimal resistance and high responsiveness.

For aerospace components, S71920 ACEGA/HCP4A Bearing’s P4A tolerance class ensures reliability in critical systems like actuators. The grease lubrication and wide temperature range allow consistent performance even under varying conditions.

In medical imaging devices, S71920 ACEGA/HCP4A Bearing’s chrome steel rings and ceramic balls deliver quiet, vibration-free operation. This makes it suitable for sensitive equipment where precision and stability are paramount.

S71920 ACEGA/HCP4A Bearing also fits well in precision measuring instruments, thanks to its tight tolerances and balanced load distribution. The universal matching feature allows flexible configurations for different assembly needs.

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