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Super Precision Angular Contact Ball Bearings 71812 ACD/P4

Super Precision Angular Contact Ball Bearings 71812 ACD/P4

The 71812 ACD/P4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 2858 lbf and operates smoothly at speeds up to 22,000 RPM.

With a 25° contact angle and phenolic cage, it offers stable performance under angular loads. The open design allows for easy lubrication, extending its lifespan in demanding conditions.

This bearing is ideal for high-precision applications like machine tool spindles or medical equipment. Its P4 tolerance class ensures reliable accuracy, while the lightweight 0.1kg design keeps it efficient.

Compatible with SKF models, it’s a practical choice for replacements or upgrades in industrial settings. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71812 ACD/P4
  • 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 25°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 3015 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 22000 rpm
  • Weight 0.1 kg
  • Price（$） 529.866
Super Precision Angular Contact Ball Bearings 71812 ACD/P4 dimension drawing
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Features

Why Choose 71812 ACD/P4 Bearing for Precision Tasks?

71812 ACD/P4 Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and smooth operation under dynamic radial loads up to 2858 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance at speeds up to 22,000 rpm.
With a P4 tolerance class, it delivers consistent accuracy for demanding industrial uses.

Designed for easy lubrication, 71812 ACD/P4 Bearing operates reliably in temperatures from -30° to 110°C.
Its compact 60 mm×78 mm×10 mm size makes it suitable for space-constrained installations.

Application

Industrial Uses of 71812 ACD/P4 Bearing
71812 ACD/P4 Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The open seal type allows for efficient lubrication, extending its lifespan in demanding conditions.

In automotive applications, 71812 ACD/P4 Bearing supports components like electric motors and transmissions, handling both radial and axial loads smoothly. Its P4 tolerance class makes it a reliable choice for performance-oriented systems.

For automation equipment, 71812 ACD/P4 Bearing’s phenolic cage reduces friction, making it ideal for robotic arms and CNC machines. The 25° contact angle provides stability during high-speed operations.

Medical imaging devices benefit from 71812 ACD/P4 Bearing’s chrome steel construction, ensuring quiet and reliable operation. Its lightweight design also helps in reducing overall equipment weight.

In consumer electronics, 71812 ACD/P4 Bearing is found in precision devices like 3D printers, where smooth motion is essential. The lubricated design ensures minimal maintenance over time.

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