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Super Precision Angular Contact Ball Bearings 71812 CD/HCP4

Super Precision Angular Contact Ball Bearings 71812 CD/HCP4

The 71812 CD/HCP4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, designed for high-speed applications. Its compact 10mm width and chrome steel construction make it both durable and space-efficient.

With a 15° contact angle, it handles radial loads up to 3038 lbf and spins smoothly at speeds up to 30,000 RPM. The ceramic balls and phenolic cage reduce friction, enhancing performance in demanding conditions.

Its open design allows for easy lubrication, while the P4 tolerance class ensures exceptional accuracy. Ideal for machine tools or high-precision equipment where reliability is key.

Weighing just 0.088kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a practical choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71812 CD/HCP4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 78 mm
  • Outer Dia Tolerance -0.007mm 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 (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 3038 lbf
  • Static Radial Load 3218 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 30000 rpm
  • Weight 0.088 kg
  • Price（$） 529.767
Super Precision Angular Contact Ball Bearings 71812 CD/HCP4 dimension drawing
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Features

Engineered for Precision: 71812 CD/HCP4 Bearing

71812 CD/HCP4 Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability even at high speeds.
With a dynamic radial load capacity of 3038 lbf, it handles demanding tasks reliably.

71812 CD/HCP4 Bearing operates efficiently up to 30,000 rpm, balancing speed and stability.
Its P4 tolerance class guarantees exceptional accuracy for precision machinery.

Application

Practical Applications of 71812 CD/HCP4 Bearing
71812 CD/HCP4 Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In automotive applications, 71812 CD/HCP4 Bearing supports components like electric motors and gearboxes, providing reliable performance under angular loads. Its P4 tolerance class ensures consistent operation in critical systems.

For robotics, 71812 CD/HCP4 Bearing’s compact size and high-speed capability make it ideal for articulated arms and precision actuators. The phenolic cage adds durability while maintaining smooth movement.

Where Is 71812 CD/HCP4 Bearing Used?
You’ll often find 71812 CD/HCP4 Bearing in medical imaging devices, where its low vibration and high precision are essential. The open design allows for easy lubrication, extending service life in continuous-use scenarios.

In automation systems, 71812 CD/HCP4 Bearing handles precise linear motion tasks, such as in CNC machines. Its matched arrangement option ensures optimal performance in paired configurations.

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