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Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADT
Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADT

Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADT

The 71905 CE/HCP4ADT is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and comes in a matched set of two bearings for balanced performance.

This bearing handles radial loads up to 1960 lbf and spins smoothly at speeds up to 100,500 RPM, thanks to its ceramic balls and phenolic cage. Its open design allows for easy lubrication and maintenance.

The precision P4A tolerance ensures reliable operation in demanding applications. Ideal for high-speed machinery like spindles or dental tools where accuracy is key.

Weighing just 0.072kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

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Product Parameters

  • Part Number 71905 CE/HCP4ADT
  • 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 15°
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1960 lbf
  • Static Radial Load 1260 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.072 kg

Features

Performance Features of 71905 CE/HCP4ADT Bearing

71905 CE/HCP4ADT Bearing is designed with a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls provide excellent durability and reduced friction.

The phenolic cage ensures smooth operation, even at high speeds up to 100,500 rpm.
With a dynamic radial load capacity of 1960 lbf, it handles demanding tasks reliably.

71905 CE/HCP4ADT Bearing comes pre-lubricated, reducing initial setup time and maintenance needs.
Its matched arrangement of two bearings enhances stability in high-precision machinery.

The P4A tolerance class guarantees consistent performance in critical applications.
Operating between -30°C to 110°C, it maintains reliability across various environments.

Application

Industrial Uses of 71905 CE/HCP4ADT Bearing
71905 CE/HCP4ADT Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The 15° contact angle ensures stable performance under combined radial and axial loads.

Where Is 71905 CE/HCP4ADT Bearing Used?
In robotics, 71905 CE/HCP4ADT Bearing provides precise motion control for articulated arms and joints. Its P4A tolerance class makes it suitable for applications demanding tight rotational accuracy.

Built for Heavy-Duty Use: 71905 CE/HCP4ADT Bearing
This bearing excels in CNC machining centres, handling rapid tool changes and continuous operation. The matched pair configuration (DT arrangement) enhances rigidity for demanding tasks.

Automotive vs Aerospace: Applications of 71905 CE/HCP4ADT Bearing
In automotive turbochargers, 71905 CE/HCP4ADT Bearing withstands high RPMs, while in aerospace actuators, its lightweight design and precision are key. The temperature range (-30°C to 110°C) covers most operational environments.

Perfect Fit for Automation: 71905 CE/HCP4ADT Bearing
71905 CE/HCP4ADT Bearing is ideal for 3D printer extruders, where smooth rotation affects print quality. The open design allows for easy relubrication in prolonged use scenarios.

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