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Super Precision Angular Contact Ball Bearings S71910 CB/HCP4A

Super Precision Angular Contact Ball Bearings S71910 CB/HCP4A

The S71910 CB/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, designed for high-speed applications. Its compact 12mm width makes it suitable for tight spaces, while the 15° contact angle ensures smooth handling of combined loads.

Made from chrome steel with ceramic balls, it offers low friction and can handle speeds up to 30,000 RPM. The phenolic cage adds durability, and the sealed design keeps lubrication in place for longer periods.

This bearing is preloaded and available in matched sets, ideal for precision machinery like spindles or CNC tools. It operates efficiently in temperatures from -30°C to 110°C and meets P4 tolerance standards for accuracy.

Weighing just 0.13kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Perfect for applications demanding high precision and reliability.

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Product Parameters

  • Part Number S71910 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 Sealed
  • 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 30000 rpm
  • Weight 0.13 kg
  • Price（$） 446.238
Super Precision Angular Contact Ball Bearings S71910 CB/HCP4A dimension drawing
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Features

Performance Features of S71910 CB/HCP4A Bearing

S71910 CB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 30,000 rpm, it is ideal for precision applications requiring high rotational accuracy.

S71910 CB/HCP4A Bearing’s sealed design protects against contaminants, extending its service life.
The P4 tolerance class ensures consistent performance in demanding environments.

Lubrication is pre-applied, reducing maintenance needs and ensuring reliable operation.
Its compact size of 50 mm×72 mm×12 mm makes it suitable for space-constrained installations.

Application

Key Fields for S71910 CB/HCP4A Bearing
S71910 CB/HCP4A Bearing is commonly used in high-speed machine spindles, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for applications demanding smooth rotation.

In robotics, S71910 CB/HCP4A Bearing supports articulated arms, providing stability and load capacity for precise movements. Its sealed design helps keep contaminants out, extending service life in demanding environments.

For aerospace components, S71910 CB/HCP4A Bearing’s phenolic cage and P4 tolerance class offer reliability in critical systems. The lightweight construction also contributes to fuel efficiency in aircraft applications.

Medical imaging devices benefit from S71910 CB/HCP4A Bearing’s low-noise operation and consistent performance. The lubricated design ensures minimal maintenance, ideal for sensitive equipment.

Q&A

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