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Super Precision Angular Contact Ball Bearings 71910 CB/HCP4A

Super Precision Angular Contact Ball Bearings 71910 CB/HCP4A

The 71910 CB/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 can handle dynamic radial loads up to 1755 lbf.

With a maximum speed of 45,000 RPM, this bearing is designed for high-speed applications. Its open design and phenolic cage ensure smooth operation and easy maintenance.

The bearing is lubricated for long-lasting performance and operates efficiently in temperatures from -30°C to 110°C. It meets the P4 tolerance class (ABEC-7) for exceptional precision.

Ideal for use in machine tools or high-precision equipment, this model is interchangeable with SKF bearings. Weighing just 0.13kg, it’s lightweight yet durable for demanding applications.

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Product Parameters

  • Part Number 71910 CB/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 4.762 mm
  • Ball Qty 29
  • Contact Angle 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1755 lbf
  • Static Radial Load 1418 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 45000 rpm
  • Weight 0.13 kg
  • Price（$） 371.493
Super Precision Angular Contact Ball Bearings 71910 CB/HCP4A dimension drawing
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Features

Why Choose 71910 CB/HCP4A Bearing for Precision Tasks?

71910 CB/HCP4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 45,000 rpm.

The phenolic cage in 71910 CB/HCP4A Bearing reduces friction and wear, enhancing its longevity.
With a P4 tolerance class, it meets strict accuracy standards for demanding applications.

71910 CB/HCP4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.
Its lubricated design minimises maintenance needs, making it a practical choice for precision machinery.

Application

Key Fields for 71910 CB/HCP4A Bearing
71910 CB/HCP4A Bearing is commonly used in high-speed machine spindles, where its precision angular contact design ensures accurate rotation. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

In aerospace components, 71910 CB/HCP4A Bearing supports critical systems like gyroscopes and flight control mechanisms. Its P4 tolerance class guarantees reliability under demanding conditions.

For robotics, 71910 CB/HCP4A Bearing’s phenolic cage provides stability in automated arms and precision tools. The matched arrangement option further enhances performance in complex setups.

Where Is 71910 CB/HCP4A Bearing Used?
You’ll find 71910 CB/HCP4A Bearing in dental drills, where its high-speed capability and low heat generation are essential. The open design allows for easy lubrication, extending service life.

In optical equipment, 71910 CB/HCP4A Bearing’s precision ensures clear image stabilisation. The chrome steel rings offer durability in continuous use scenarios.

Built for Heavy-Duty Use: 71910 CB/HCP4A Bearing
71910 CB/HCP4A Bearing handles heavy loads in industrial pumps, thanks to its robust construction. The 15° contact angle distributes forces evenly, reducing wear.

In electric vehicle motors, 71910 CB/HCP4A Bearing’s ceramic balls improve efficiency by minimising energy loss. Its temperature range makes it suitable for varied operating conditions.

Automotive vs Aerospace: Applications of 71910 CB/HCP4A Bearing
In automotive transmissions, 71910 CB/HCP4A Bearing ensures smooth gear shifts with its precise angular contact. The metric sizing fits seamlessly into European and Asian models.

For aerospace actuators, 71910 CB/HCP4A Bearing’s high-speed tolerance and lightweight design are crucial. The phenolic cage resists corrosion in harsh environments.

Q&A

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