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Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4A

Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4A

The S71912 ACB/HCP4A is a super precision angular contact ball bearing with a 60mm bore and 85mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 2194 lbf and spins smoothly at speeds up to 22000 RPM.
Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet operation. The 25° contact angle provides excellent stability under angular loads.
This bearing is available with preload and matched arrangements for enhanced performance. Ideal for high-precision applications like machine tool spindles or medical equipment.
Weighing just 0.19kg, it meets P4 tolerance standards for exceptional accuracy. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71912 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 Sealed
  • 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 22000 rpm
  • Weight 0.19 kg
  • Price（$） 61.434
Super Precision Angular Contact Ball Bearings S71912 ACB/HCP4A dimension drawing
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Features

Performance Features of S71912 ACB/HCP4A Bearing

S71912 ACB/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring high precision and durability.
Its 25° contact angle provides excellent angular contact performance, ideal for complex load conditions.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 2194 lbf, it handles demanding applications with ease.

S71912 ACB/HCP4A Bearing operates at speeds up to 22,000 rpm, balancing speed and reliability.
Its sealed design and lubrication ensure long service life with minimal maintenance.

The P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.
Its compact size (60 mm×85 mm×13 mm) allows for efficient use in space-constrained applications.

Application

Common Applications of S71912 ACB/HCP4A Bearing
S71912 ACB/HCP4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The ceramic balls reduce friction, making it ideal for applications requiring minimal heat generation.

In robotics, S71912 ACB/HCP4A Bearing supports articulated arms, providing stability and accuracy in repetitive movements. Its sealed design helps keep contaminants out, extending the bearing’s lifespan in demanding environments.

For medical imaging devices, S71912 ACB/HCP4A Bearing’s phenolic cage and chrome steel rings offer reliable performance. The P4 tolerance class ensures the precision needed for sensitive diagnostic equipment.

In aerospace applications, S71912 ACB/HCP4A Bearing handles both radial and axial loads efficiently. Its lightweight design and high-speed capability make it suitable for aircraft components.

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