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Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4A

Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4A

The S71901 ACD/HCP4A is a super precision angular contact ball bearing, measuring 12mm by 24mm by 6mm. It features a 25° contact angle and is made from high-quality chrome steel with ceramic balls for smooth operation.

This sealed bearing handles radial loads up to 574 lbf and spins at speeds up to 75,000 RPM. Its phenolic cage ensures durability, while the P4 tolerance class guarantees high precision.

Preload and matched arrangements are available for better performance in demanding applications. Ideal for high-speed machinery like spindles or dental tools where accuracy is crucial.

Weighing just 0.01kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses.

The bearing is interchangeable with SKF models, offering a reliable replacement option. Its lubricated design ensures long service life with minimal maintenance.

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Product Parameters

  • Part Number S71901 ACD/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 13
  • 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 574 lbf
  • Static Radial Load 266 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 75000 rpm
  • Weight 0.01 kg
  • Price（$） 114.165
Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4A dimension drawing
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Features

Engineered for Precision: S71901 ACD/HCP4A Bearing

S71901 ACD/HCP4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation and reduced friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.
With a maximum speed of 75,000 rpm, it excels in high-speed scenarios.

S71901 ACD/HCP4A Bearing’s sealed design protects against contaminants, extending service life.
Its P4 tolerance class guarantees exceptional accuracy for demanding tasks.

Application

Essential Roles of S71901 ACD/HCP4A Bearing
S71901 ACD/HCP4A Bearing is commonly used in high-speed machine tools, where its angular contact design ensures precise rotational accuracy. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, S71901 ACD/HCP4A Bearing supports articulated arms, providing stability and durability in repetitive movements. Its sealed design helps keep contaminants out, extending service life in demanding environments.

For medical imaging devices, S71901 ACD/HCP4A Bearing’s phenolic cage and P4 tolerance class deliver reliable performance. The lightweight construction also minimises vibration, crucial for maintaining image clarity.

Automotive applications like electric vehicle motors benefit from S71901 ACD/HCP4A Bearing’s high-speed capabilities. The preload option further enhances rigidity, ensuring consistent performance under varying loads.

In aerospace systems, S71901 ACD/HCP4A Bearing’s temperature resistance and precision make it suitable for navigation equipment. The matched arrangement option allows for custom configurations to meet specific requirements.

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