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Super Precision Angular Contact Ball Bearings 71910 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71910 ACDGB/P4A

The 71910 ACDGB/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. Its compact 12mm width makes it suitable for space-sensitive applications.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 2858 lbf dynamically. It spins smoothly at speeds up to 46,000 RPM, ideal for high-performance machinery.

The open design and phenolic cage ensure durability and easy maintenance. It operates reliably in temperatures from -30°C to 110°C and comes pre-lubricated for immediate use.

This bearing is interchangeable with SKF models and works well in matched sets for back-to-back, face-to-face, or tandem arrangements. Perfect for precision equipment like spindles or CNC machines. Weighing just 0.13kg, it balances strength and lightness.

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Product Parameters

  • Part Number 71910 ACDGB/P4A
  • 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 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 2205 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.13 kg
  • Price（$） 83.313
Super Precision Angular Contact Ball Bearings 71910 ACDGB/P4A dimension drawing
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Features

How Does 71910 ACDGB/P4A Bearing Ensure Precision in High-Speed Applications?

71910 ACDGB/P4A Bearing features a 25° contact angle, optimising load distribution for high-speed operations.
Its chrome steel construction enhances durability while maintaining precision under dynamic radial loads up to 2858 lbf.

The phenolic cage minimises friction, allowing speeds up to 46,000 rpm without compromising performance.
With a P4A tolerance class, it delivers consistent accuracy in demanding angular contact applications.

71910 ACDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C, ensuring reliability.
Its universal matching capability supports various configurations, including back-to-back and face-to-face arrangements.

Application

Super Precision Angular Contact Ball Bearings 71910 ACDGB/P4A are commonly used in high-speed machine tools, where their 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make them suitable for applications requiring minimal friction and heat generation.

In robotics, 71910 ACDGB/P4A Bearings provide smooth motion control for articulated arms and precision joints. Their light preload and P4A tolerance class contribute to consistent performance in automated systems.

For aerospace applications, 71910 ACDGB/P4A Bearings offer reliability in components like gyroscopes and flight control systems. The chrome steel construction and high-speed capability make them a dependable choice for demanding environments.

In medical imaging devices, 71910 ACDGB/P4A Bearings ensure quiet and precise movement for components like rotating gantries. Their low vibration characteristics help maintain image quality during scans.

For electric vehicle motors, 71910 ACDGB/P4A Bearings support high-speed rotation while handling combined loads. The metric sizing and universal matching options simplify integration into various motor designs.

Q&A

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