+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S71911 ACDGB/P4A

Super Precision Angular Contact Ball Bearings S71911 ACDGB/P4A

The S71911 ACDGB/P4A is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, designed for high-speed applications. Its 25° contact angle and sealed design ensure smooth operation under radial loads up to 4095 lbf.

Made from chrome steel with a phenolic cage, it handles speeds up to 34,000 RPM and temperatures from -30°C to 110°C. The light preload (Class B) enhances stability, making it suitable for precision machinery.

This bearing is interchangeable with SKF models and comes in a universal matching set of four. Ideal for spindle assemblies or machine tools where accuracy and speed are key.

Weighing just 0.18kg, it’s a lightweight yet durable choice for demanding applications. Compliant with P4A tolerance standards for reliable performance.

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

Product Parameters

  • Part Number S71911 ACDGB/P4A
  • 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 13 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 Sealed
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4095 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.18 kg
Super Precision Angular Contact Ball Bearings S71911 ACDGB/P4A dimension drawing
Download DWG Download PDF

Features

Performance Features of S71911 ACDGB/P4A Bearing

S71911 ACDGB/P4A 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 bearing supports dynamic radial loads up to 4095 lbf, making it suitable for precision tasks.
With a maximum speed of 34,000 rpm, it balances performance and reliability in demanding conditions.

S71911 ACDGB/P4A Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication reduce maintenance needs, ensuring long service life.

Application

Industrial Uses of S71911 ACDGB/P4A Bearing
S71911 ACDGB/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

Where Is S71911 ACDGB/P4A Bearing Used?
You’ll find S71911 ACDGB/P4A Bearing in automotive applications like electric motor systems, where its light preload and high-speed capability are beneficial. Its phenolic cage also reduces friction, improving efficiency.

Built for Heavy-Duty Use: S71911 ACDGB/P4A Bearing
S71911 ACDGB/P4A Bearing handles radial and axial loads in robotics, making it ideal for robotic arms that require smooth, precise movement. The chrome steel construction ensures durability even in demanding conditions.

Automotive vs Aerospace: Applications of S71911 ACDGB/P4A Bearing
In automotive systems, S71911 ACDGB/P4A Bearing supports gearboxes, while in aerospace, it’s used in instrumentation due to its high-speed tolerance. The P4A precision class makes it reliable for both industries.

Perfect Fit for Automation: S71911 ACDGB/P4A Bearing
S71911 ACDGB/P4A Bearing works well in automated production lines, where its consistent performance reduces downtime. The grease lubrication ensures long service life with minimal maintenance.

Q&A

SEND INQUIRY