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Super Precision Angular Contact Ball Bearings S71913 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings S71913 ACD/P4ADBA

The S71913 ACD/P4ADBA is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, designed for high-speed applications. It features a 25° contact angle and comes in a matched set of two bearings for extra stability.

Made from chrome steel with a phenolic cage, it handles radial loads up to 7178 lbf and spins smoothly at speeds up to 31,000 RPM. The sealed design keeps grease in and contaminants out, ensuring long-lasting performance.

Its extra-light preload (Class A) reduces friction, making it ideal for precision machinery like spindles or CNC tools. The bearing operates reliably in temperatures from -30°C to 110°C.

Weighing 0.42kg, it’s a robust yet lightweight choice for demanding applications. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71913 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7178 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.42 kg
Super Precision Angular Contact Ball Bearings S71913 ACD/P4ADBA dimension drawing
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Features

Performance Features of S71913 ACD/P4ADBA Bearing

S71913 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The sealed design ensures consistent lubrication, reducing maintenance needs.

With a dynamic radial load capacity of 7178 lbf, it handles demanding conditions reliably.
The phenolic cage material enhances durability while maintaining smooth operation.

S71913 ACD/P4ADBA Bearing operates at speeds up to 31,000 rpm, balancing performance and longevity.
Its chrome steel construction resists wear, ensuring a longer service life.

The extra light preload class A ensures minimal friction and high precision.
This makes it ideal for applications requiring tight tolerances and smooth rotation.

Application

Industrial Uses of S71913 ACD/P4ADBA Bearing
S71913 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In automotive applications, S71913 ACD/P4ADBA Bearing supports high-speed components like turbochargers and electric motors. Its extra light preload reduces friction, enhancing efficiency and longevity.

For medical imaging devices, S71913 ACD/P4ADBA Bearing’s phenolic cage and chrome steel construction provide reliable, low-noise operation. The P4A tolerance class ensures the precision needed for sensitive diagnostic equipment.

Automation systems benefit from S71913 ACD/P4ADBA Bearing’s matched arrangement, which simplifies installation in robotic arms. The grease lubrication ensures smooth movement even during continuous operation.

In consumer electronics, S71913 ACD/P4ADBA Bearing is ideal for high-speed fans and precision printers. Its compact size and sealed design make it suitable for space-constrained applications.

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