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Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4ADFA
Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4ADFA

Super Precision Angular Contact Ball Bearings S71901 ACD/HCP4ADFA

The S71901 ACD/HCP4ADFA is a super precision angular contact ball bearing, measuring 12mm by 24mm by 12mm. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

With a 25° contact angle and sealed design, it handles radial loads up to 936 lbf. The phenolic cage ensures stability, while the grease lubrication keeps maintenance simple.

This matched set of two bearings (DF arrangement) comes with extra light preload for precise performance. Ideal for high-speed applications like spindles or small machinery.

Weighing just 0.02kg, it’s lightweight yet robust, suitable for temperatures from -30°C to 110°C. Compliant with P4A tolerance class for reliable accuracy.

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Product Parameters

  • Part Number S71901 ACD/HCP4ADFA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 12 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 13
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings >< DF
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 936 lbf
  • Static Radial Load 531 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 0 rpm
  • Weight 0.02 kg

Features

How Does S71901 ACD/HCP4ADFA Bearing Reduce Friction?

S71901 ACD/HCP4ADFA Bearing features ceramic balls and chrome steel rings, significantly reducing friction during operation.
The phenolic cage ensures smooth movement, enhancing efficiency in high-speed applications.

With a 25° contact angle, it handles angular loads effectively while maintaining precision.
Its sealed design keeps contaminants out, ensuring consistent performance over time.

The extra light preload (Class A) minimises resistance, making it ideal for precision tasks.
S71901 ACD/HCP4ADFA Bearing’s grease lubrication further reduces wear, extending its service life.

Application

How Does S71901 ACD/HCP4ADFA Bearing Improve Performance?
S71901 ACD/HCP4ADFA Bearing is a go-to choice for high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The ceramic balls reduce friction, making it ideal for high-speed operations.

In robotics, S71901 ACD/HCP4ADFA Bearing excels in articulated arms, providing smooth motion control thanks to its phenolic cage and sealed design. The matched arrangement further enhances stability in dynamic applications.

For medical imaging devices, S71901 ACD/HCP4ADFA Bearing’s P4A tolerance class guarantees consistent performance in sensitive equipment. Its grease lubrication ensures quiet operation, crucial for patient comfort.

Automotive enthusiasts appreciate S71901 ACD/HCP4ADFA Bearing in performance gearboxes, where its extra-light preload minimises power loss. The chrome steel rings add durability under demanding conditions.

In 3D printers, S71901 ACD/HCP4ADFA Bearing’s compact size and precision make it perfect for guiding print heads. The ceramic balls also help maintain accuracy over long printing sessions.

Q&A

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