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Super Precision Angular Contact Ball Bearings 71812 CDGA/HCP4

Super Precision Angular Contact Ball Bearings 71812 CDGA/HCP4

The 71812 CDGA/HCP4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from chrome steel for durability. Its compact 10mm width and ceramic balls ensure smooth operation at high speeds.

With a 15° contact angle, it handles radial loads up to 3038 lbf and spins efficiently at 33,000 RPM. The phenolic cage adds stability, while the open design allows easy lubrication.

This bearing suits high-precision applications like machine tools or spindles, offering extra light preload for minimal friction. It works in temperatures from -30°C to 110°C.

Weighing just 0.088kg, it’s lightweight yet robust. Compatible with SKF bearings, it can be paired back-to-back, face-to-face, or tandem for versatile setups. Ideal for demanding industrial environments.

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Product Parameters

  • Part Number 71812 CDGA/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 10 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 28
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 3038 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 33000 rpm
  • Weight 0.088 kg
Super Precision Angular Contact Ball Bearings 71812 CDGA/HCP4 dimension drawing
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Features

Performance Features of 71812 CDGA/HCP4 Bearing

71812 CDGA/HCP4 Bearing is crafted with chrome steel rings and ceramic balls, offering high precision and durability.
Its 15° contact angle ensures optimal performance in angular contact applications, handling dynamic radial loads up to 3038 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 33,000 rpm, it excels in high-speed scenarios while maintaining stability.

71812 CDGA/HCP4 Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4 tolerance class guarantees consistent precision, making it ideal for demanding industrial uses.

The open design allows for easy lubrication, ensuring long-term reliability.
Its universal matching capability supports various configurations, including back-to-back and face-to-face arrangements.

Application

Industrial Uses of 71812 CDGA/HCP4 Bearing
71812 CDGA/HCP4 Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4 tolerance ensures precise performance in demanding industrial environments.

In automotive applications, 71812 CDGA/HCP4 Bearing supports components like electric motors and gearboxes, thanks to its angular contact design. The extra light preload helps maintain smooth operation even at high speeds.

For medical imaging devices, 71812 CDGA/HCP4 Bearing’s chrome steel rings and ceramic balls provide reliable, low-noise performance. Its open design allows for easy lubrication, extending service life in critical equipment.

Automation and robotics benefit from 71812 CDGA/HCP4 Bearing’s lightweight construction and high-speed capabilities. The universal matching feature makes it versatile for various mounting configurations in robotic arms.

In consumer electronics, 71812 CDGA/HCP4 Bearing is ideal for precision devices like 3D printers, where its low friction and high accuracy are essential. The compact size fits well in space-constrained designs.

Q&A

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