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Super Precision Angular Contact Ball Bearings S71913 ACE/P4ADT

Super Precision Angular Contact Ball Bearings S71913 ACE/P4ADT

The S71913 ACE/P4ADT is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes preloaded in a matched pair for enhanced stability.

This sealed bearing handles radial loads up to 5738 lbf and reaches speeds of 31,000 RPM, thanks to its phenolic cage and grease lubrication. It performs reliably in temperatures from -30°C to 110°C.

Its precision P4A tolerance ensures smooth operation, while the matched arrangement (DT) reduces vibration in high-speed applications. The 24 balls, each 7.938mm in diameter, distribute loads evenly.

Ideal for machine tools or spindle systems where accuracy is key. Weighing 0.4kg, it’s a robust yet compact solution for demanding setups. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71913 ACE/P4ADT
  • 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 24
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5738 lbf
  • Static Radial Load 5220 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.4 kg
Super Precision Angular Contact Ball Bearings S71913 ACE/P4ADT dimension drawing
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Features

Performance Features of S71913 ACE/P4ADT Bearing

S71913 ACE/P4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability, even under dynamic radial loads up to 5738 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation at speeds up to 31,000 rpm.
Preloaded and matched in a << DT arrangement, it offers improved precision and stability for demanding tasks. Sealed for protection, S71913 ACE/P4ADT Bearing operates reliably in temperatures from -30°C to 110°C. Its grease lubrication ensures consistent performance with minimal maintenance required.

Application

Key Fields for S71913 ACE/P4ADT Bearing
S71913 ACE/P4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop environments.

What Makes S71913 ACE/P4ADT Bearing a Preferred Choice?
In robotics, S71913 ACE/P4ADT Bearing provides smooth motion control for articulated arms, thanks to its matched arrangement and preload capability. The phenolic cage reduces friction, making it ideal for repetitive, high-speed movements.

Built for Heavy-Duty Use: S71913 ACE/P4ADT Bearing
For automotive testing equipment, S71913 ACE/P4ADT Bearing handles both radial and axial loads with precision. Its chrome steel construction withstands rigorous use, while the grease lubrication ensures quiet operation.

Medical vs Industrial: Where S71913 ACE/P4ADT Bearing Excels
In medical imaging devices, S71913 ACE/P4ADT Bearing offers reliable performance with minimal vibration. Industrial applications like CNC machining benefit from its P4A tolerance class, ensuring consistent accuracy under load.

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