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Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ALDBA
Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ALDBA

Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ALDBA

The 71905 CE/HCP4ALDBA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation at speeds up to 83,000 RPM.

Made from chrome steel with a phenolic cage, this bearing handles radial loads up to 1960 lbf. The extra light preload (Class A) reduces friction, making it ideal for precision machinery.

This matched set of two bearings (DB arrangement) offers stability under angular loads. It’s lubricated for long service life and works in temperatures from -30°C to 110°C.

Weighing just 0.072kg, it’s a lightweight choice for applications like spindles or CNC tools where accuracy and speed matter. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71905 CE/HCP4ALDBA
  • 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 <> 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 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 83000 rpm
  • Weight 0.072 kg

Features

Performance Features of 71905 CE/HCP4ALDBA Bearing

71905 CE/HCP4ALDBA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls ensure durability and smooth operation under high-speed conditions.

The phenolic cage maintains ball alignment, reducing friction and wear over time.
With a dynamic radial load capacity of 1960 lbf, it handles demanding tasks with ease.

71905 CE/HCP4ALDBA Bearing operates efficiently at speeds up to 83,000 rpm, making it suitable for precision machinery.
Its extra light preload ensures minimal resistance, enhancing performance in sensitive applications.

The matched arrangement of two bearings provides stability and balanced load distribution.
Its temperature range of -30°C to 110°C allows reliable operation in various environments.

Application

Ideal for Precision: 71905 CE/HCP4ALDBA Bearing
71905 CE/HCP4ALDBA Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction for smoother operation. The extra light preload ensures minimal vibration, crucial for precision machining.

In robotics, 71905 CE/HCP4ALDBA Bearing supports articulated arms, offering reliable angular contact performance. Its matched arrangement (DB) provides stability in dynamic movements, making it a go-to choice for automated systems.

For medical imaging devices, 71905 CE/HCP4ALDBA Bearing’s P4A tolerance class guarantees consistent accuracy. The chrome steel rings and ceramic balls also withstand frequent sterilization without compromising performance.

In aerospace applications, 71905 CE/HCP4ALDBA Bearing handles both radial and axial loads in compact spaces. Its high-speed capability (up to 83,000 rpm) makes it suitable for turbine components and flight control systems.

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