+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADBA

The 71909 ACD/P4ADBA is a super precision angular contact ball bearing with a 45mm bore and 68mm outer diameter, designed for high-speed applications. It features a 25° contact angle and comes in a matched pair for balanced performance.

Made from chrome steel with a phenolic cage, it handles radial loads up to 4478 lbf and spins smoothly at speeds up to 41,000 RPM. The extra-light preload ensures minimal friction during operation.

Its open design allows for easy lubrication, while the P4A tolerance class guarantees precise alignment. Ideal for machine tools or spindle drives where accuracy is key.

Weighing just 0.26kg, this bearing is lightweight yet durable. It operates in temperatures from -30°C to 110°C, making it suitable for demanding industrial environments.

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

Product Parameters

  • Part Number 71909 ACD/P4ADBA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 45 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 4050 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.26 kg
Super Precision Angular Contact Ball Bearings 71909 ACD/P4ADBA dimension drawing
Download DWG Download PDF

Features

Performance Features of 71909 ACD/P4ADBA Bearing

71909 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 4478 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 41,000 rpm.
Precision P4A tolerance guarantees consistent performance in demanding conditions.

With an extra-light preload, 71909 ACD/P4ADBA Bearing reduces friction and extends service life.
Its matched arrangement of two bearings provides stability for complex load requirements.

Application

Industrial Uses of 71909 ACD/P4ADBA Bearing
71909 ACD/P4ADBA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage reduces friction, making it suitable for long operational cycles.

In automotive applications, 71909 ACD/P4ADBA Bearing supports gearbox systems, providing stability under combined radial and axial loads. Its extra-light preload enhances performance in high-speed scenarios.

For robotics, 71909 ACD/P4ADBA Bearing is ideal for articulated arms, offering smooth movement and low heat generation. The matched arrangement of two bearings improves load distribution in compact spaces.

Medical imaging devices benefit from 71909 ACD/P4ADBA Bearing’s precision, ensuring quiet and vibration-free operation. The chrome steel construction adds durability in sterile environments.

In automation systems, 71909 ACD/P4ADBA Bearing is often found in 3D printers, where its P4A tolerance class guarantees consistent layer alignment. The open design allows for easy lubrication maintenance.

Q&A

SEND INQUIRY