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Super Precision Angular Contact Ball Bearings 71910 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71910 CD/HCP4A

The 71910 CD/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, designed for high-speed applications. Its 15° contact angle and ceramic balls ensure smooth operation under radial loads up to 3038 lbf.

The open design and phenolic cage allow for easy lubrication and reduced friction, supporting speeds up to 34,000 RPM. The chrome steel rings provide durability, while the P4 tolerance class ensures exceptional accuracy.

This bearing is ideal for precision machinery like spindles or CNC tools, where high speeds and tight tolerances are crucial. It operates reliably in temperatures from -30°C to 110°C.

Weighing just 0.12kg, it’s lightweight yet robust, making it a practical choice for demanding industrial environments. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71910 CD/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 6.35 mm
  • Ball Qty 25
  • 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 3038 lbf
  • Static Radial Load 2340 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.12 kg
  • Price（$） 371.574
Super Precision Angular Contact Ball Bearings 71910 CD/HCP4A dimension drawing
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Features

Why Choose 71910 CD/HCP4A Bearing for Precision Tasks?

71910 CD/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

With a dynamic radial load capacity of 3038 lbf, it handles demanding tasks efficiently.
The phenolic cage maintains ball alignment, enhancing durability and performance.

Operating at speeds up to 34,000 rpm, it excels in high-speed environments.
Its P4 tolerance class guarantees precision, making it suitable for critical applications.

The open design allows for easy lubrication, ensuring consistent performance.
Its temperature range of -30° to 110°C ensures reliability in various conditions.

Application

How Does 71910 CD/HCP4A Bearing Improve Performance?
71910 CD/HCP4A Bearing is commonly used in high-speed machine spindles, where its 15° contact angle helps manage combined radial and axial loads efficiently. The ceramic balls reduce friction, allowing smoother rotation at speeds up to 34,000 rpm.

In robotics, 71910 CD/HCP4A Bearing provides precise motion control for articulated arms, thanks to its P4 tolerance class. The phenolic cage ensures quiet operation, which is ideal for sensitive automated environments.

For dental drills and other medical tools, 71910 CD/HCP4A Bearing’s chrome steel rings offer durability while maintaining hygiene standards. Its lubricated design minimises maintenance needs in sterile settings.

Automotive vs Aerospace: Applications of 71910 CD/HCP4A Bearing
In automotive transmissions, 71910 CD/HCP4A Bearing handles high rotational speeds with reliability. The preload option ensures consistent performance under varying loads.

Aerospace applications benefit from 71910 CD/HCP4A Bearing’s lightweight ceramic balls, which reduce overall component weight. Its temperature range (-30° to 110°C) suits both ground and flight conditions.

Q&A

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