+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71911 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71911 ACD/P4AQBCA

The 71911 ACD/P4AQBCA is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 10980 lbf and operates smoothly at speeds up to 34000 RPM.

With a 25° contact angle and extra-light preload, it offers excellent accuracy for demanding applications. The phenolic cage ensures durability and reduces friction, enhancing performance.

This bearing comes in a matched set of four, arranged for optimal stability. Ideal for high-precision machinery like CNC spindles or medical equipment where reliability is key.

Weighing 0.72kg, it’s designed for temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s a top choice for engineers needing consistent performance.

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

Product Parameters

  • Part Number 71911 ACD/P4AQBCA
  • 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 52 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 10980 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.72 kg
Super Precision Angular Contact Ball Bearings 71911 ACD/P4AQBCA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71911 ACD/P4AQBCA Bearing

71911 ACD/P4AQBCA Bearing offers a 25° contact angle, ideal for handling combined radial and axial loads.

Its chrome steel rings and balls provide durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 10,980 lbf, it performs reliably in demanding applications.

The P4A tolerance class guarantees precision, making it suitable for high-accuracy machinery.

How Does 71911 ACD/P4AQBCA Bearing Achieve High-Speed Performance?

71911 ACD/P4AQBCA Bearing is designed for speeds up to 34,000 rpm, thanks to its balanced construction.

The phenolic cage reduces friction and heat generation, enhancing efficiency.

Its extra light preload (Class A) ensures smooth rotation without excessive resistance.

The open seal type allows for easy lubrication, maintaining optimal performance.

Built for Reliability: 71911 ACD/P4AQBCA Bearing

71911 ACD/P4AQBCA Bearing’s chrome steel components resist wear, extending its service life.

The matched arrangement of four bearings ensures consistent performance in angular contact applications.

With a static radial load capacity of 12,375 lbf, it handles heavy loads with ease.

Its temperature range of -30°C to 110°C makes it versatile for various environments.

Application

Essential Roles of 71911 ACD/P4AQBCA Bearing
71911 ACD/P4AQBCA Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of four bearings provides stability in demanding industrial applications.

How Does 71911 ACD/P4AQBCA Bearing Improve Performance?
In robotics, 71911 ACD/P4AQBCA Bearing enhances motion control in robotic arms, thanks to its extra light preload and phenolic cage. The high-speed capability makes it suitable for automated production lines.

Built for Heavy-Duty Use: 71911 ACD/P4AQBCA Bearing
71911 ACD/P4AQBCA Bearing handles radial loads efficiently in automotive transmissions, ensuring smooth gear shifts. Its chrome steel construction offers durability under continuous use.

Medical vs Industrial: Where 71911 ACD/P4AQBCA Bearing Excels
For medical imaging devices, 71911 ACD/P4AQBCA Bearing provides quiet and precise movement. In industrial settings, it supports heavy machinery with reliable performance.

Perfect Fit for Automation: 71911 ACD/P4AQBCA Bearing
71911 ACD/P4AQBCA Bearing is ideal for 3D printers, where its low friction and high-speed rotation improve print quality. The P4A tolerance class ensures consistent results in automated processes.

Q&A

SEND INQUIRY