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Super Precision Angular Contact Ball Bearings 71911 ACDGB/P4A

Super Precision Angular Contact Ball Bearings 71911 ACDGB/P4A

The 71911 ACDGB/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and is designed for light preload applications, ensuring smooth operation.

With a dynamic radial load capacity of 4095 lbf, it handles high speeds up to 46,000 RPM while maintaining stability. The open design and phenolic cage contribute to its durability and ease of lubrication.

This bearing is ideal for precision machinery like spindles or CNC tools, where accuracy and reliability are crucial. It operates efficiently in temperatures ranging from -30°C to 110°C.

Weighing just 0.18kg, it’s lightweight yet robust. The bearing is interchangeable with SKF models and comes in a set of three, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements.

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Product Parameters

  • Part Number 71911 ACDGB/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 4095 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 46000 rpm
  • Weight 0.18 kg
  • Price（$） 11.151
Super Precision Angular Contact Ball Bearings 71911 ACDGB/P4A dimension drawing
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Features

Performance Features of 71911 ACDGB/P4A Bearing

71911 ACDGB/P4A Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4095 lbf, it suits demanding applications.

71911 ACDGB/P4A Bearing operates smoothly at speeds up to 46,000 rpm.
Its open design and light preload ensure reliable performance in high-speed scenarios.

The P4A tolerance class guarantees exceptional precision for critical tasks.
This bearing is ideal for applications requiring high accuracy and reliability.

Application

Key Fields for 71911 ACDGB/P4A Bearing
71911 ACDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and P4A tolerance class make it suitable for applications demanding minimal vibration.

In automotive systems, 71911 ACDGB/P4A Bearing supports components like wheel hubs and transmissions, where its high-speed capability and radial load handling are beneficial. The chrome steel construction adds durability in demanding conditions.

For robotics, 71911 ACDGB/P4A Bearing provides smooth motion in articulated arms and joints, thanks to its precise angular contact. The phenolic cage reduces friction, enhancing performance in repetitive movements.

Medical imaging devices often rely on 71911 ACDGB/P4A Bearing for its quiet operation and reliability. The open design allows for easy lubrication, ensuring long service life in critical applications.

In consumer electronics, 71911 ACDGB/P4A Bearing can be found in high-end printers and scanners, where its precision and speed contribute to consistent performance. The metric sizing ensures compatibility with various international models.

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