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Super Precision Angular Contact Ball Bearings 71910 ACBGA/HCP4A

Super Precision Angular Contact Ball Bearings 71910 ACBGA/HCP4A

The 71910 ACBGA/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 1638 lbf and reaches speeds of 46,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability under stress.

The open design allows easy lubrication, while the P4A tolerance class guarantees precision. Ideal for machine tools or spindle drives where accuracy is crucial.

Weighing just 0.13kg, it’s lightweight yet robust. Compatible with SKF bearings, it can be arranged back-to-back, face-to-face, or tandem for versatile use.

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Product Parameters

  • Part Number 71910 ACBGA/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 4.762 mm
  • Ball Qty 29
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 1638 lbf
  • Static Radial Load 1350 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
Super Precision Angular Contact Ball Bearings 71910 ACBGA/HCP4A dimension drawing
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Features

Performance Features of 71910 ACBGA/HCP4A Bearing

71910 ACBGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, suitable for complex load conditions.
The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 46,000 rpm, it excels in high-speed applications.

How Is 71910 ACBGA/HCP4A Bearing Engineered for Reliability?

71910 ACBGA/HCP4A Bearing features a P4A tolerance class, guaranteeing precise and consistent performance.
The extra light preload ensures minimal friction, making it ideal for sensitive machinery.
Its dynamic radial load capacity of 1638 lbf ensures reliability under demanding conditions.
The open design allows for easy lubrication, maintaining optimal performance over time.

Built for Reliability: 71910 ACBGA/HCP4A Bearing

71910 ACBGA/HCP4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
The ceramic balls reduce wear and extend the bearing’s service life.
Its universal matching capability allows for versatile configurations like back-to-back or face-to-face arrangements.
The lubricated design ensures smooth operation, even at high speeds.

Steel vs Ceramic Bearings: Strengths of 71910 ACBGA/HCP4A Bearing

71910 ACBGA/HCP4A Bearing combines chrome steel rings with ceramic balls for superior performance.
This hybrid design reduces weight and increases speed capabilities compared to all-steel bearings.
The ceramic balls resist wear and reduce heat generation, enhancing longevity.
Its precision engineering makes it suitable for high-speed, high-precision applications.

Application

Common Applications of 71910 ACBGA/HCP4A Bearing
71910 ACBGA/HCP4A Bearing is widely used in high-speed machine tools, where its precision and ceramic balls reduce friction for smoother operation. The 25° contact angle helps manage combined radial and axial loads effectively.

In robotics, 71910 ACBGA/HCP4A Bearing ensures accurate movement in joints and arms, thanks to its P4A tolerance class. The phenolic cage adds durability while keeping weight low for better efficiency.

For medical imaging devices, 71910 ACBGA/HCP4A Bearing’s chrome steel rings and ceramic balls provide reliable performance under consistent use. Its extra-light preload makes it ideal for sensitive equipment requiring minimal vibration.

Automotive applications like electric motor shafts benefit from 71910 ACBGA/HCP4A Bearing’s high-speed capability and lubricated design. The open seal allows for easy maintenance in demanding conditions.

In 3D printers, 71910 ACBGA/HCP4A Bearing’s precision ensures smooth linear motion and repeatable prints. The ceramic balls help maintain performance even during prolonged use.

Q&A

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