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Super Precision Angular Contact Ball Bearings 71907 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71907 ACD/P4ADBB

The 71907 ACD/P4ADBB is a super precision angular contact ball bearing with a 35mm bore and 55mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 3330 lbf and operates smoothly at speeds up to 56,000 RPM.

Its 25° contact angle and matched pair design (DB arrangement) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and durability, even at high speeds.

Preloaded for light performance, this bearing is ideal for precision applications like machine tool spindles or high-speed motors. It works in temperatures from -30°C to 110°C.

Weighing just 0.15kg, it’s a lightweight yet robust solution for demanding environments. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71907 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 55 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3330 lbf
  • Static Radial Load 2812 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.15 kg
Super Precision Angular Contact Ball Bearings 71907 ACD/P4ADBB dimension drawing
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Features

Performance Features of 71907 ACD/P4ADBB Bearing

71907 ACD/P4ADBB Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
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 3330 lbf, it excels in demanding applications.

71907 ACD/P4ADBB Bearing operates smoothly at speeds up to 56,000 rpm.
Its P4A tolerance class ensures consistent accuracy for precision tasks.

The matched arrangement of two bearings provides balanced load distribution.
This design is ideal for applications requiring high-speed and low-noise operation.

Application

Industrial Uses of 71907 ACD/P4ADBB Bearing
71907 ACD/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision and light preload ensure smooth operation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71907 ACD/P4ADBB Bearing supports components like wheel hubs and transmissions, thanks to its angular contact design. The chrome steel construction offers durability under heavy loads and high speeds.

For medical imaging devices, 71907 ACD/P4ADBB Bearing’s phenolic cage reduces friction, making it ideal for sensitive equipment. Its P4A tolerance class ensures the accuracy needed for diagnostic machinery.

Automation systems benefit from 71907 ACD/P4ADBB Bearing’s ability to handle both radial and axial loads. The open design allows for easy lubrication, extending its lifespan in robotic arms and conveyor systems.

In consumer electronics, 71907 ACD/P4ADBB Bearing’s compact size and high-speed capability make it suitable for precision devices. The metric dimensions ensure compatibility with a wide range of European and Asian products.

Q&A

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