+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71911 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings 71911 ACD/P4ADBB

The 71911 ACD/P4ADBB is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched pair for balanced performance.

This bearing handles radial loads up to 6660 lbf and can spin at speeds up to 34,000 RPM, making it suitable for high-speed applications. Its phenolic cage ensures smooth operation and durability.

The open design allows for easy lubrication, while the light preload (Class B) ensures precise movement. It operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for precision machinery like spindles or CNC equipment, this bearing is interchangeable with SKF models. Weighing just 0.36kg, it’s a reliable choice for demanding applications.

Get A Free Quote
    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 71911 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 55 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 23
  • 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 6660 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.36 kg
  • Price（$） 168.795
Super Precision Angular Contact Ball Bearings 71911 ACD/P4ADBB dimension drawing
Download DWG Download PDF

Features

Performance Features of 71911 ACD/P4ADBB Bearing

71911 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 6660 lbf, it handles demanding tasks efficiently.
The P4A tolerance class guarantees high precision, making it suitable for critical machinery.

71911 ACD/P4ADBB Bearing operates at speeds up to 34,000 rpm, balancing performance and reliability.
Its matched arrangement of two bearings (DB) enhances stability in angular contact applications.

The open seal design allows easy lubrication, maintaining optimal performance.
With a temperature range of -30°C to 110°C, it adapts to various working conditions.

Application

Industrial Uses of 71911 ACD/P4ADBB Bearing
71911 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71911 ACD/P4ADBB Bearing supports high-speed components like turbochargers and transmission systems. Its light preload and phenolic cage contribute to smooth operation under varying loads.

For automation systems, 71911 ACD/P4ADBB Bearing is ideal for robotic arms and CNC machines, offering reliable performance with minimal maintenance. The open seal design allows for easy lubrication, extending its service life.

In medical imaging devices, 71911 ACD/P4ADBB Bearing’s chrome steel construction ensures consistent performance during precise movements. The P4A tolerance class makes it suitable for applications requiring exact positioning.

Q&A

SEND INQUIRY