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Super Precision Angular Contact Ball Bearings 71910 CE/HCP4A

Super Precision Angular Contact Ball Bearings 71910 CE/HCP4A

The 71910 CE/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 2858 lbf and reaches speeds of 48,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while keeping weight low at just 0.11kg.

The open design allows for easy lubrication, and it operates reliably in temperatures from -30°C to 110°C. With a P4 tolerance class, it offers exceptional precision for demanding machinery.

Ideal for precision equipment like spindles or high-speed tools where accuracy and speed are crucial. Its compatibility with SKF bearings makes it a practical choice for replacements or upgrades.

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Product Parameters

  • Part Number 71910 CE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 21
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 1912 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 48000 rpm
  • Weight 0.11 kg
  • Price（$） 371.358
Super Precision Angular Contact Ball Bearings 71910 CE/HCP4A dimension drawing
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Features

How Is 71910 CE/HCP4A Bearing Engineered for Reliability?

71910 CE/HCP4A Bearing features a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a maximum speed of 48,000 rpm, it delivers consistent performance in precision tasks.

71910 CE/HCP4A Bearing’s P4 tolerance class guarantees high accuracy for demanding applications.
Its dynamic radial load capacity of 2858 lbf ensures reliability under heavy loads.

The open design allows for easy lubrication, extending the bearing’s service life.
Its compact size (50 mm×72 mm×12 mm) makes it suitable for space-constrained installations.

Application

Key Fields for 71910 CE/HCP4A Bearing
71910 CE/HCP4A Bearing is commonly used in high-speed machine spindles, where its 15° contact angle provides stable radial and axial load support. The ceramic balls reduce friction, making it ideal for precision machining applications.

In robotics, 71910 CE/HCP4A Bearing ensures smooth motion in articulated arms, thanks to its phenolic cage and P4 tolerance class. Its lightweight design also helps improve energy efficiency in automated systems.

For medical imaging devices, 71910 CE/HCP4A Bearing’s high-speed capability and low heat generation are crucial. The open design allows for easy lubrication, ensuring long service life in demanding environments.

Where Is 71910 CE/HCP4A Bearing Used?
You’ll often find 71910 CE/HCP4A Bearing in CNC lathes, where its precision and speed enhance cutting accuracy. The chrome steel rings add durability, even under continuous operation.

In aerospace applications, 71910 CE/HCP4A Bearing supports navigation systems, benefiting from its ceramic balls’ resistance to thermal expansion. The metric sizing ensures compatibility with international aircraft components.

Built for Heavy-Duty Use: 71910 CE/HCP4A Bearing
71910 CE/HCP4A Bearing handles heavy loads in industrial pumps, with its dynamic radial load capacity of 2858 lbf. The lubricated design minimises wear, even in harsh conditions.

For electric vehicle motors, 71910 CE/HCP4A Bearing’s low friction and high-speed performance are key. Its temperature range of -30° to 110°C ensures reliability in varying climates.

Automotive vs Aerospace: Applications of 71910 CE/HCP4A Bearing
In automotive transmissions, 71910 CE/HCP4A Bearing reduces noise and vibration, enhancing driver comfort. The phenolic cage dampens vibrations effectively.

For aerospace actuators, 71910 CE/HCP4A Bearing’s precision and lightweight design are critical. Its ABEC-7 tolerance ensures consistent performance in flight control systems.

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