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Super Precision Angular Contact Ball Bearings 71912 ACB/HCP4A

Super Precision Angular Contact Ball Bearings 71912 ACB/HCP4A

The 71912 ACB/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 2194 lbf and spins at speeds up to 36,000 RPM. Its phenolic cage ensures stability, while the open design allows for easy lubrication.

The P4 tolerance class (ABEC-7) guarantees high precision, making it ideal for applications like machine tools or high-speed spindles. It works in temperatures from -30°C to 110°C.

Weighing just 0.18kg, it’s lightweight yet robust. Matched arrangements are available for paired mounting, offering flexibility for complex setups.

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Product Parameters

  • Part Number 71912 ACB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 60 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 85 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 mm
  • Ball Qty 30
  • 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 2194 lbf
  • Static Radial Load 1868 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 36000 rpm
  • Weight 0.18 kg
  • Price（$） 51.66
Super Precision Angular Contact Ball Bearings 71912 ACB/HCP4A dimension drawing
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Features

Why Choose 71912 ACB/HCP4A Bearing for Precision Tasks?

71912 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, even at high speeds up to 36,000 rpm.

The phenolic cage reduces friction and wear, enhancing the bearing’s longevity.
With a P4 tolerance class, it delivers consistent precision for demanding applications.

71912 ACB/HCP4A Bearing is preloaded for optimal performance, reducing vibration and noise.
Its open design allows for easy lubrication, maintaining efficiency over time.

Application

Key Fields for 71912 ACB/HCP4A Bearing
71912 ACB/HCP4A Bearing excels in high-speed machine tools, where its 25° contact angle ensures smooth rotation under radial and axial loads. The ceramic balls reduce friction, making it ideal for precision grinding applications.

In robotics, 71912 ACB/HCP4A Bearing supports articulated arms that require both accuracy and durability. Its phenolic cage offers lightweight stability, crucial for repetitive movements in automated systems.

For aerospace components, 71912 ACB/HCP4A Bearing’s P4 tolerance guarantees reliability in navigation systems. The open design allows for custom lubrication, adapting to varying operational temperatures.

Medical imaging devices benefit from 71912 ACB/HCP4A Bearing’s low vibration and quiet operation. The chrome steel rings provide long-lasting performance in sensitive diagnostic equipment.

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