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Super Precision Angular Contact Ball Bearings 71905 ACE/P4ADT
Super Precision Angular Contact Ball Bearings 71905 ACE/P4ADT

Super Precision Angular Contact Ball Bearings 71905 ACE/P4ADT

The 71905 ACE/P4ADT is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 1843 lbf and reaches speeds of 83000 RPM, making it suitable for high-performance applications.

With a 25° contact angle and matched arrangement of two bearings, it offers excellent stability and preload options. The open design and phenolic cage ensure smooth operation and durability in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models, providing a reliable replacement option. Ideal for precision machinery like spindles or CNC equipment where accuracy and speed are crucial.

Weighing just 0.08kg, it’s lightweight yet robust, and comes pre-lubricated for easy installation. Compliant with P4A tolerance class for superior performance.

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Product Parameters

  • Part Number 71905 ACE/P4ADT
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 16
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • 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 1843 lbf
  • Static Radial Load 1192 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.08 kg

Features

Performance Features of 71905 ACE/P4ADT Bearing

71905 ACE/P4ADT Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The bearing can handle dynamic radial loads up to 1843 lbf, making it suitable for high-performance tasks.
With a maximum speed of 83,000 rpm, it delivers smooth operation in demanding conditions.

71905 ACE/P4ADT Bearing comes pre-lubricated, reducing initial setup time and maintenance needs.
Its P4A tolerance class ensures precision, ideal for applications requiring high accuracy.

The matched arrangement of two bearings enhances stability and load capacity.
Its compact size (25 mm×42 mm×18 mm) allows for easy integration into various machinery.

Application

Industrial Uses of 71905 ACE/P4ADT Bearing
The 71905 ACE/P4ADT Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its phenolic cage and chrome steel construction provide stability under dynamic radial loads.

In automotive applications, 71905 ACE/P4ADT Bearing supports gearbox systems, offering smooth operation at high speeds. The matched arrangement of two bearings enhances load distribution, making it suitable for demanding drivetrain components.

For automation equipment, 71905 ACE/P4ADT Bearing is ideal for robotic arms, where its P4A tolerance class guarantees precise movement. The open seal type allows for easy lubrication, extending service life in continuous operation.

Medical imaging devices benefit from 71905 ACE/P4ADT Bearing’s low friction and high-speed capabilities. Its temperature range of -30°C to 110°C ensures reliability in various clinical environments.

In consumer electronics like high-end printers, 71905 ACE/P4ADT Bearing’s compact size and lightweight design contribute to quiet, efficient performance. The lubricated setup reduces maintenance needs for long-term use.

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