+86 15806631151 [email protected]
TFL BEARINGS
REQUEST A QUOTE
Super Precision Angular Contact Ball Bearings S71911 ACB/P4ADT

Super Precision Angular Contact Ball Bearings S71911 ACB/P4ADT

The S71911 ACB/P4ADT is a super precision angular contact ball bearing with a 55mm bore and 80mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes sealed for protection, with a matched pair arrangement for balanced performance.

This bearing handles radial loads up to 3442 lbf and reaches speeds of 34,000 RPM, thanks to its phenolic cage and grease lubrication. Its P4A tolerance class ensures high accuracy for demanding applications.

The sealed design keeps contaminants out, while the preload option enhances stability. Ideal for precision machinery like spindles or high-speed tools where smooth operation is crucial.

Weighing 0.38kg, it’s robust yet manageable. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Suitable for temperatures from -30°C to 110°C.

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

Product Parameters

  • Part Number S71911 ACB/P4ADT
  • 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 5.556 mm
  • Ball Qty 28
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3442 lbf
  • Static Radial Load 3442 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings S71911 ACB/P4ADT dimension drawing
Download DWG Download PDF

Features

Performance Features of S71911 ACB/P4ADT Bearing

S71911 ACB/P4ADT 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.

The matched arrangement of two bearings provides stability, making it suitable for angular contact loads.
With a maximum speed of 34,000 rpm, it balances performance and efficiency in demanding conditions.

S71911 ACB/P4ADT Bearing’s sealed design and grease lubrication reduce maintenance needs.
Its P4A tolerance class ensures high precision, ideal for applications requiring tight tolerances.

Application

Industrial Uses of S71911 ACB/P4ADT Bearing
S71911 ACB/P4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71911 ACB/P4ADT Bearing supports articulated arms, providing smooth movement under angular loads. Its phenolic cage reduces friction, making it ideal for repetitive motions.

For medical imaging devices, S71911 ACB/P4ADT Bearing’s P4A tolerance class guarantees consistent performance in critical applications. The grease lubrication ensures quiet operation, which is essential in sensitive environments.

Automotive applications like electric vehicle motors benefit from S71911 ACB/P4ADT Bearing’s high-speed capability. The matched arrangement of two bearings enhances stability under dynamic loads.

In aerospace systems, S71911 ACB/P4ADT Bearing’s chrome steel construction withstands rigorous conditions. Its 25° contact angle optimises load distribution for long service life.

Q&A

SEND INQUIRY