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Super Precision Angular Contact Ball Bearings 71905 ACEGB/HCP4A
Super Precision Angular Contact Ball Bearings 71905 ACEGB/HCP4A

Super Precision Angular Contact Ball Bearings 71905 ACEGB/HCP4A

The 71905 ACEGB/HCP4A is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from chrome steel for durability. It features ceramic balls and a phenolic cage, ensuring smooth operation at high speeds up to 100,500 RPM.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting dynamic radial loads up to 1141 lbf. Its open design allows for easy lubrication, maintaining performance in temperatures from -30°C to 110°C.

This bearing is ideal for high-precision applications like machine tools or spindle drives, where accuracy and speed are crucial. Light preload (Class B) ensures minimal friction, enhancing longevity.

Weighing just 0.036kg, it’s lightweight yet robust. Compatible with SKF bearings and available in matched sets for universal mounting options (back-to-back, face-to-face, or tandem).

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Product Parameters

  • Part Number 71905 ACEGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 25°
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1141 lbf
  • Static Radial Load 596 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.036 kg

Features

Performance Features of 71905 ACEGB/HCP4A Bearing

71905 ACEGB/HCP4A Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage ensures smooth operation at high speeds, up to 100,500 rpm.
With a dynamic radial load capacity of 1141 lbf, it handles demanding conditions reliably.

71905 ACEGB/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C.
Its P4A tolerance class guarantees precision performance for critical applications.

Application

Industrial Uses of 71905 ACEGB/HCP4A Bearing
71905 ACEGB/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The light preload ensures smooth rotation in precision grinding applications.

What Makes 71905 ACEGB/HCP4A Bearing a Preferred Choice?
In robotics, 71905 ACEGB/HCP4A Bearing provides reliable angular contact support for articulated arms, thanks to its P4A tolerance class. The open design allows for easy lubrication in continuous operation environments.

Perfect Fit for Automation: 71905 ACEGB/HCP4A Bearing
71905 ACEGB/HCP4A Bearing works well in CNC machinery, handling both radial and axial loads with minimal vibration. Its compact 25 mm×42 mm×9 mm size fits neatly into tight spaces without compromising performance.

Medical vs Industrial: Where 71905 ACEGB/HCP4A Bearing Excels
For medical imaging devices, 71905 ACEGB/HCP4A Bearing offers quiet operation and high-speed capability. In industrial settings, its chrome steel rings withstand heavy use in pump systems and compressors.

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