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Super Precision Angular Contact Ball Bearings 71906 ACD/HCP4A

Super Precision Angular Contact Ball Bearings 71906 ACD/HCP4A

The 71906 ACD/HCP4A is a super precision angular contact ball bearing, measuring 30mm by 47mm by 9mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles radial loads up to 1521 lbf and spins at speeds up to 53,000 RPM, making it suitable for high-performance applications. The 25° contact angle ensures efficient load distribution.

With a phenolic cage and P4 tolerance class, it provides reliable precision. The open design allows for easy lubrication and maintenance.

Ideal for machine tools or high-speed spindles, this bearing operates in temperatures from -30°C to 110°C. Weighing just 0.045kg, it’s lightweight yet robust.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. Its preload availability adds to its versatility in demanding setups.

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Product Parameters

  • Part Number 71906 ACD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 968 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.045 kg
  • Price（$） 216.522
Super Precision Angular Contact Ball Bearings 71906 ACD/HCP4A dimension drawing
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Features

Performance Features of 71906 ACD/HCP4A Bearing

71906 ACD/HCP4A Bearing features a 25° contact angle, optimised for angular contact loads and high-speed applications.
Its ceramic balls reduce friction, allowing smoother rotation and lower heat generation.

With a dynamic radial load capacity of 1521 lbf, it handles demanding conditions reliably.
The phenolic cage ensures stability, even at speeds up to 53,000 rpm.

Chrome steel rings enhance durability, while the P4 tolerance class guarantees precision.
This bearing is preloaded, offering consistent performance in critical applications.

Its compact 30 mm×47 mm×9 mm size makes it suitable for space-constrained installations.
The open design simplifies lubrication, maintaining efficiency over time.

Application

Key Fields for 71906 ACD/HCP4A Bearing
71906 ACD/HCP4A 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, rapid movements.

In robotics, 71906 ACD/HCP4A Bearing supports articulated arms and joints, thanks to its lightweight phenolic cage and high-speed capability. Its P4 tolerance class ensures consistent performance in automated systems.

For medical imaging devices, 71906 ACD/HCP4A Bearing’s chrome steel rings and ceramic balls provide reliability and quiet operation. The open design allows for easy lubrication, extending its lifespan in critical equipment.

Automotive applications like electric motor shafts benefit from 71906 ACD/HCP4A Bearing’s ability to handle combined loads. Its metric sizing and high-speed rating make it a versatile choice for modern vehicle designs.

In consumer electronics, 71906 ACD/HCP4A Bearing is found in precision devices like 3D printers, where its low friction and high accuracy are essential. The compact size fits seamlessly into small, high-performance mechanisms.

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