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Super Precision Angular Contact Ball Bearings 71812 ACD/HCP4

Super Precision Angular Contact Ball Bearings 71812 ACD/HCP4

The 71812 ACD/HCP4 is a super precision angular contact ball bearing with a 60mm bore and 78mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and can handle radial loads up to 2858 lbf, spinning smoothly at speeds up to 26,000 RPM.

Its open design and phenolic cage ensure durability, while the ceramic balls reduce friction for quieter operation. The bearing comes preloaded and matched for better performance in paired arrangements.

Ideal for high-speed applications like machine tool spindles or precision instruments, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4 tolerance standards, it offers excellent accuracy.

Weighing just 0.088kg, this bearing is lightweight yet robust, making it a smart choice for demanding setups. It’s interchangeable with SKF models for easy replacement.

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Product Parameters

  • Part Number 71812 ACD/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 25°
  • 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 2858 lbf
  • Static Radial Load 3015 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 26000 rpm
  • Weight 0.088 kg
  • Price（$） 529.749
Super Precision Angular Contact Ball Bearings 71812 ACD/HCP4 dimension drawing
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Features

Performance Features of 71812 ACD/HCP4 Bearing

71812 ACD/HCP4 Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 26,000 rpm, it is suitable for high-speed applications.

71812 ACD/HCP4 Bearing operates smoothly within a temperature range of -30° to 110°C.
Its P4 tolerance class ensures consistent accuracy in demanding conditions.

Application

Industrial Uses of 71812 ACD/HCP4 Bearing
71812 ACD/HCP4 Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise radial and axial load handling. The ceramic balls reduce friction, making it ideal for applications requiring smooth, quiet operation.

In automotive systems, 71812 ACD/HCP4 Bearing supports components like electric motors and transmissions, where its P4 tolerance class guarantees accuracy. The phenolic cage adds durability, even under continuous high-speed conditions.

For automation equipment, 71812 ACD/HCP4 Bearing’s matched arrangement option provides stability in robotic arms and CNC machines. Its open design allows for easy lubrication, extending service life in demanding environments.

Medical imaging devices benefit from 71812 ACD/HCP4 Bearing’s low friction and high precision, ensuring reliable performance in scanners and diagnostic equipment. The chrome steel rings offer excellent wear resistance for long-term use.

In consumer electronics, 71812 ACD/HCP4 Bearing is found in high-performance printers and drones, where its lightweight design and speed capabilities are key. The ceramic balls help maintain efficiency even during prolonged use.

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