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Super Precision Angular Contact Ball Bearings 71906 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71906 ACB/HCP4A

The 71906 ACB/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.

With a 25° contact angle, it handles both radial and axial loads efficiently. It can spin at speeds up to 67,000 RPM, making it suitable for high-performance applications.

The phenolic cage ensures stability, while the open design allows for easy lubrication. Its P4 tolerance class guarantees precise performance in demanding conditions.

Ideal for machine tools or high-speed spindles, this bearing is interchangeable with SKF models. Weighing just 0.044kg, it’s lightweight yet robust for its size.

It operates reliably in temperatures from -30°C to 110°C. Preload and matched arrangements are available for custom setups.

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Product Parameters

  • Part Number 71906 ACB/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 3.969 mm
  • Ball Qty 22
  • 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 1040 lbf
  • Static Radial Load 675 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 67000 rpm
  • Weight 0.044 kg
  • Price（$） 216.783
Super Precision Angular Contact Ball Bearings 71906 ACB/HCP4A dimension drawing
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Features

Why Choose 71906 ACB/HCP4A Bearing for Precision Tasks?

71906 ACB/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads.
Its ceramic balls and chrome steel rings ensure smooth operation at high speeds up to 67,000 rpm.

The phenolic cage minimises friction, enhancing precision in demanding applications.
With a P4 tolerance class, it delivers consistent performance for critical tasks.

Preload options and matched arrangements further improve stability and load distribution.
This makes 71906 ACB/HCP4A Bearing suitable for high-precision machinery.

Application

Key Fields for 71906 ACB/HCP4A Bearing
71906 ACB/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for precision grinding applications.

In robotics, 71906 ACB/HCP4A Bearing supports articulated arms, providing smooth movement and long service life. Its phenolic cage offers lightweight durability, perfect for repetitive motions.

For medical imaging devices, 71906 ACB/HCP4A Bearing’s P4 tolerance class guarantees minimal vibration. The open design allows for easy lubrication, maintaining performance in critical healthcare settings.

Automotive enthusiasts appreciate 71906 ACB/HCP4A Bearing in performance gearboxes, where its high-speed capability enhances shifting precision. The matched arrangement option ensures consistent load distribution.

In 3D printers, 71906 ACB/HCP4A Bearing’s compact size and low friction contribute to precise layer alignment. Its temperature stability makes it reliable for prolonged printing sessions.

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