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Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADBA

Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADBA

The 71905 CE/HCP4ADBA is a super precision angular contact ball bearing with a 25mm bore and 42mm outer diameter, measuring 18mm wide. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

With a 15° contact angle and extra light preload, it handles radial loads up to 1960 lbf and spins at speeds up to 100,500 RPM. The open design and phenolic cage ensure reliable performance.

This matched set of two bearings (DB arrangement) is ideal for high-precision applications like machine tools or spindles. It works in temperatures from -30°C to 110°C.

Weighing just 0.072kg, it’s lightweight yet robust. Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. Compliant with P4A tolerance class for accuracy.

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Product Parameters

  • Part Number 71905 CE/HCP4ADBA
  • 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 100500 rpm
  • Weight 0.072 kg
Super Precision Angular Contact Ball Bearings 71905 CE/HCP4ADBA dimension drawing
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Features

Why Choose 71905 CE/HCP4ADBA Bearing for Precision Tasks?

71905 CE/HCP4ADBA Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation and reduced friction.

With a dynamic radial load capacity of 1960 lbf, it handles demanding tasks with ease.
The phenolic cage keeps the balls aligned, enhancing durability and performance.

Operating at speeds up to 100,500 rpm, it excels in high-speed environments.
Its extra light preload (Class A) ensures minimal vibration and noise.

The matched arrangement of two bearings (DB) provides stability and balanced load distribution.
Lubricated for optimal performance, it works efficiently within a temperature range of -30°C to 110°C.

Application

Key Fields for 71905 CE/HCP4ADBA Bearing
71905 CE/HCP4ADBA Bearing is widely 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, ideal for precision machining.

In robotics, 71905 CE/HCP4ADBA Bearing supports articulated arms, providing stability during rapid movements. Its matched arrangement design helps maintain alignment in dynamic applications.

For medical imaging devices, 71905 CE/HCP4ADBA Bearing’s P4A tolerance class ensures consistent performance in sensitive equipment. The chrome steel rings offer durability while meeting strict hygiene standards.

Automotive applications like electric motor shafts benefit from 71905 CE/HCP4ADBA Bearing’s angular contact design, handling combined loads efficiently. The lubricated construction extends service life even at high RPMs.

Q&A

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