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Super Precision Angular Contact Ball Bearings S71913 ACB/P4ADBB

Super Precision Angular Contact Ball Bearings S71913 ACB/P4ADBB

The S71913 ACB/P4ADBB is a super precision angular contact ball bearing, measuring 65mm by 90mm by 26mm. Made from chrome steel, it features a 25° contact angle and comes sealed for protection.

This bearing handles radial loads up to 3668 lbf and spins smoothly at speeds up to 31,000 RPM. Its phenolic cage ensures durability, while the grease lubrication simplifies maintenance.

The matched pair arrangement (DB) with light preload offers stability for high-precision applications. It works well in temperatures from -30°C to 110°C.

Ideal for machine tools or spindle drives where accuracy is key. Weighing 0.44kg, it’s a robust choice for demanding setups. Interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71913 ACB/P4ADBB
  • 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 5.556 mm
  • Ball Qty 32
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3668 lbf
  • Static Radial Load 3960 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 31000 rpm
  • Weight 0.44 kg
Super Precision Angular Contact Ball Bearings S71913 ACB/P4ADBB dimension drawing
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Features

Performance Features of S71913 ACB/P4ADBB Bearing

S71913 ACB/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

The matched arrangement of two bearings provides stability, making it suitable for precision tasks.
With a maximum speed of 31,000 rpm, it balances performance and reliability in demanding conditions.

S71913 ACB/P4ADBB Bearing’s sealed design protects against contaminants, reducing maintenance needs.
Its light preload ensures consistent performance, ideal for applications requiring high precision.

Application

Industrial Uses of S71913 ACB/P4ADBB Bearing
S71913 ACB/P4ADBB Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle rotation. The sealed construction helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

In automotive applications, S71913 ACB/P4ADBB Bearing supports components like electric motors and transmissions, where its light preload and matched arrangement enhance stability. The phenolic cage also reduces friction, making it suitable for high-speed operations.

For medical imaging devices, S71913 ACB/P4ADBB Bearing’s P4A tolerance class ensures smooth and quiet operation, critical for sensitive equipment. The chrome steel construction provides durability, even under continuous use.

In robotics, S71913 ACB/P4ADBB Bearing is ideal for articulated arms, where its angular contact design handles combined loads efficiently. The grease lubrication ensures consistent performance, even in repetitive motion scenarios.

For consumer electronics like high-end printers, S71913 ACB/P4ADBB Bearing’s compact size and precision make it a reliable choice. The sealed design also protects against dust, ensuring long-term reliability.

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