Super Precision Angular Contact Ball Bearings 71913 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 71913 ACD/P4ADBC

The 71913 ACD/P4ADBC is a super precision angular contact ball bearing, measuring 65mm by 90mm by 26mm, crafted from durable chrome steel. It handles radial loads up to 7178 lbf and operates smoothly at speeds up to 36,000 RPM.

Its 25° contact angle and matched arrangement (2 bearings DB) provide excellent stability for angular loads. The phenolic cage ensures quiet operation and long service life, even under moderate preload.

This bearing is lubricated for easy maintenance and performs reliably in temperatures from -30°C to 110°C. Ideal for high-precision applications like machine tool spindles or high-speed robotics.

Weighing 0.42kg, it’s a robust yet lightweight choice for demanding setups. Compliant with P4A tolerance standards for precision performance. Interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 71913 ACD/P4ADBC
  • 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 Open
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • 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 Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.42 kg

Features

Performance Features of 71913 ACD/P4ADBC Bearing

71913 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 7178 lbf, it handles demanding tasks reliably.
The matched arrangement of two bearings provides stability, making it suitable for angular contact loads.

Operating at speeds up to 36,000 rpm, 71913 ACD/P4ADBC Bearing balances performance and efficiency.
Its P4A tolerance class ensures high precision, ideal for applications requiring tight tolerances.

The moderate preload (Class C) reduces vibration, enhancing operational smoothness.
Its temperature range of -30°C to 110°C allows use in varied environments without compromising performance.

Application

Practical Applications of 71913 ACD/P4ADBC Bearing
71913 ACD/P4ADBC Bearing is widely used in high-precision machine tools, where its moderate preload and 25° contact angle ensure accurate spindle performance. The matched arrangement of two bearings enhances stability in demanding operations.

In robotics, 71913 ACD/P4ADBC Bearing supports articulated arms, providing smooth motion control thanks to its phenolic cage and chrome steel construction. Its high-speed capability makes it suitable for automated production lines.

For aerospace applications, 71913 ACD/P4ADBC Bearing’s P4A tolerance class ensures reliability in navigation systems and actuators. The open design allows for easy lubrication, extending service life in critical environments.

Medical imaging devices benefit from 71913 ACD/P4ADBC Bearing’s low friction and precise alignment, crucial for maintaining image quality. The chrome steel balls and rings offer durability in high-use scenarios.

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