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Super Precision Angular Contact Ball Bearings 71901 ACE/HCP4A

Super Precision Angular Contact Ball Bearings 71901 ACE/HCP4A

The 71901 ACE/HCP4A is a super precision angular contact ball bearing with a compact size of 12mm by 24mm by 6mm, crafted from chrome steel and ceramic balls. It handles radial loads up to 457 lbf and reaches speeds of 150,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and phenolic cage ensure smooth operation under angular loads, while the open design allows for easy lubrication. The bearing comes with optional preload and matched arrangements for enhanced stability.

This model is interchangeable with SKF bearings and meets P4 tolerance standards for precision. Ideal for use in machine tools, spindles, or other high-speed equipment where accuracy is crucial.

Weighing just 9 grams, it’s lightweight yet durable. It operates efficiently in temperatures from -30°C to 110°C, offering reliable performance in various conditions.

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Product Parameters

  • Part Number 71901 ACE/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 12
  • 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 457 lbf
  • Static Radial Load 191 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 150000 rpm
  • Weight 0.009 kg
  • Price（$） 94.887
Super Precision Angular Contact Ball Bearings 71901 ACE/HCP4A dimension drawing
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Features

Why Choose 71901 ACE/HCP4A Bearing for Precision Tasks?

71901 ACE/HCP4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and ceramic balls ensure minimal friction, enhancing performance in high-speed applications.

The phenolic cage maintains ball alignment, reducing wear and extending the bearing’s operational life.
With a maximum speed of 150,000 rpm, it excels in demanding, high-precision environments.

71901 ACE/HCP4A Bearing’s P4 tolerance class guarantees consistent accuracy for critical applications.
Its compact size (12 mm×24 mm×6 mm) makes it suitable for space-constrained installations.

Application

Key Fields for 71901 ACE/HCP4A Bearing
71901 ACE/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

In robotics, 71901 ACE/HCP4A Bearing supports delicate movements in robotic arms, thanks to its P4 tolerance class. The phenolic cage adds durability while keeping the weight minimal for efficient operation.

For medical imaging devices, 71901 ACE/HCP4A Bearing’s open design and high-speed capability are crucial for consistent performance. Its chrome steel rings provide the necessary strength for long-term reliability.

In aerospace applications, 71901 ACE/HCP4A Bearing handles both radial and axial loads with ease. The matched arrangement option allows for custom setups to meet specific engineering needs.

Consumer electronics like high-end printers benefit from 71901 ACE/HCP4A Bearing’s compact size and low friction. The lubricated design ensures quiet operation, perfect for noise-sensitive environments.

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