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Super Precision Angular Contact Ball Bearings S71910 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71910 CD/HCP4A

The S71910 CD/HCP4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. Its compact 12mm width makes it suitable for tight spaces while maintaining robust performance.

This bearing handles radial loads up to 3038 lbf and operates smoothly at speeds up to 22,000 RPM, thanks to its ceramic balls and phenolic cage. The 15° contact angle ensures efficient load distribution for angular contact applications.

Sealed for protection, it requires minimal maintenance and comes pre-lubricated for immediate use. Its P4 tolerance class (ABEC-7) guarantees high precision, ideal for demanding machinery.

Perfect for applications like CNC spindles or high-speed motors, it performs reliably in temperatures from -30°C to 110°C. Weighing just 0.12kg, it’s lightweight yet durable. Interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number S71910 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 Sealed
  • Matched Arrangement Available
  • 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 22000 rpm
  • Weight 0.12 kg
  • Price（$） 446.166
Super Precision Angular Contact Ball Bearings S71910 CD/HCP4A dimension drawing
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Features

Why Choose S71910 CD/HCP4A Bearing for Precision Tasks?

S71910 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.

The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a maximum speed of 22,000 rpm, it delivers reliable performance in demanding conditions.

S71910 CD/HCP4A Bearing’s P4 tolerance class guarantees exceptional accuracy for precision instruments.
Its preload availability further improves stability and reduces vibration during operation.

Application

Industrial Uses of S71910 CD/HCP4A Bearing
S71910 CD/HCP4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps keep contaminants out, extending its lifespan in demanding environments.

In robotics, S71910 CD/HCP4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and ceramic balls. Its P4 tolerance class makes it ideal for applications requiring minimal vibration.

For medical imaging devices, S71910 CD/HCP4A Bearing’s consistent performance and low friction are crucial for precise positioning. The lubricated design ensures quiet operation, which is essential in sensitive medical settings.

Automotive vs Aerospace: Applications of S71910 CD/HCP4A Bearing
In automotive systems, S71910 CD/HCP4A Bearing is often found in high-performance transmissions, where its durability handles rapid shifts. The ceramic balls reduce heat buildup, improving efficiency.

Aerospace applications benefit from S71910 CD/HCP4A Bearing’s lightweight design and reliability in avionics systems. Its temperature range ensures stable performance even under extreme conditions.

Where Is S71910 CD/HCP4A Bearing Used?
You’ll often spot S71910 CD/HCP4A Bearing in 3D printers, where its precision ensures smooth layer deposition. The matched arrangement option allows for custom configurations to suit specific needs.

In industrial pumps, S71910 CD/HCP4A Bearing’s sealed design prevents fluid ingress, maintaining performance over time. Its high-speed capability makes it a reliable choice for continuous operation.

Q&A

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