Super Precision Angular Contact Ball Bearings 71920 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71920 CEGA/HCP4A

The 71920 CEGA/HCP4A is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 8775 lbf.

With a maximum speed of 16,000 RPM, this bearing is designed for high-performance applications. The phenolic cage adds durability while keeping the weight light at just 0.65kg.

The open design allows for easy lubrication, and it operates efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision.

Ideal for machine tools or high-speed spindles, this bearing can be paired in back-to-back, face-to-face, or tandem arrangements. It’s interchangeable with SKF models, making replacements straightforward.

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Product Parameters

  • Part Number 71920 CEGA/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 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • 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 8775 lbf
  • Static Radial Load 7088 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.65 kg

Features

How Does 71920 CEGA/HCP4A Bearing Achieve Super Precision?

71920 CEGA/HCP4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its ceramic balls and chrome steel rings reduce friction, enhancing speed and accuracy.

With a dynamic radial load capacity of 8775 lbf, it handles demanding operations smoothly.
The phenolic cage ensures stability, even at maximum speeds of 16,000 rpm.

Designed for extra light preload, it maintains precision in high-performance setups.
Its open seal type allows easy lubrication, ensuring consistent performance.

The P4A tolerance class guarantees tight dimensional control for critical applications.
Weighing just 0.65 kg, it balances strength and efficiency in compact designs.

Application

Industrial Uses of 71920 CEGA/HCP4A Bearing
71920 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and ceramic balls reduce friction and improve accuracy. The open design and phenolic cage make it suitable for environments requiring minimal maintenance.

Where Is 71920 CEGA/HCP4A Bearing Used?
In robotics, 71920 CEGA/HCP4A Bearing ensures smooth movement in joints and arms, thanks to its angular contact design. The extra light preload also helps in reducing vibration during high-speed operations.

Built for Heavy-Duty Use: 71920 CEGA/HCP4A Bearing
71920 CEGA/HCP4A Bearing handles radial and axial loads efficiently in industrial pumps and compressors. Its chrome steel rings and ceramic balls provide durability even in demanding conditions.

Automotive vs Aerospace: Applications of 71920 CEGA/HCP4A Bearing
In automotive systems, 71920 CEGA/HCP4A Bearing supports gearbox components, while in aerospace, it’s used in control mechanisms for its reliability. The P4A tolerance class ensures consistent performance in both fields.

Perfect Fit for Automation: 71920 CEGA/HCP4A Bearing
71920 CEGA/HCP4A Bearing is ideal for automated production lines, where its high-speed capability and precision are crucial. The lubricated design further enhances its longevity in continuous operation.

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