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Super Precision Angular Contact Ball Bearings 71910 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 71910 CEGA/HCP4A

The 71910 CEGA/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 2858 lbf.

With an extra light preload and P4A tolerance class, it offers excellent accuracy for demanding tasks. The open design and phenolic cage allow for easy lubrication and long service life.

This bearing can handle speeds up to 46,000 RPM and temperatures from -30°C to 110°C. It’s ideal for machine tools or spindle drives where precision and reliability are key.

Weighing just 0.11kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a versatile choice for back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 71910 CEGA/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • 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 2858 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.11 kg
  • Price（$） 136.692
Super Precision Angular Contact Ball Bearings 71910 CEGA/HCP4A dimension drawing
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Features

Performance Features of 71910 CEGA/HCP4A Bearing

71910 CEGA/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing precision and speed capabilities.

With a dynamic radial load capacity of 2858 lbf, it handles demanding operations efficiently.
The phenolic cage ensures smooth performance, even at high speeds up to 46,000 rpm.

71910 CEGA/HCP4A Bearing operates reliably in temperatures from -30°C to 110°C.
Its P4A tolerance class guarantees consistent accuracy for precision tasks.

The open design allows easy lubrication, maintaining performance over time.
Weighing just 0.11 kg, it balances strength and lightweight construction.

Application

Industrial Uses of 71910 CEGA/HCP4A Bearing
71910 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precision in demanding industrial environments.

How Does 71910 CEGA/HCP4A Bearing Improve Performance?
In automotive applications, 71910 CEGA/HCP4A Bearing enhances gearbox efficiency with its angular contact design. The extra light preload allows for smoother operation at high speeds.

Perfect Fit for Automation: 71910 CEGA/HCP4A Bearing
71910 CEGA/HCP4A Bearing works well in robotic arms, providing reliable angular load support. Its open design and lubrication make it suitable for continuous operation in automated systems.

Medical vs Industrial: Where 71910 CEGA/HCP4A Bearing Excels
71910 CEGA/HCP4A Bearing is ideal for medical imaging devices, offering quiet and precise movement. In industrial settings, it handles high-speed spindles with consistent performance.

Q&A

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