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Super Precision Angular Contact Ball Bearings S71910 ACD/P4ADFC

Super Precision Angular Contact Ball Bearings S71910 ACD/P4ADFC

The S71910 ACD/P4ADFC is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

This matched set of two bearings (DF arrangement) offers moderate preload (Class C) for stable performance. It handles dynamic radial loads up to 4680 lbf and spins at impressive speeds up to 34,000 RPM.

The phenolic cage reduces friction, while grease lubrication simplifies maintenance. Ideal for precision applications like machine tool spindles or high-speed robotics, operating between -30°C to 110°C.

Weighing just 0.27kg, this P4A-tolerance bearing is interchangeable with SKF models, making it a reliable choice for demanding industrial uses.

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Product Parameters

  • Part Number S71910 ACD/P4ADFC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 24 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4680 lbf
  • Static Radial Load 4410 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings S71910 ACD/P4ADFC dimension drawing
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Features

Why Choose S71910 ACD/P4ADFC Bearing for Precision Tasks?

S71910 ACD/P4ADFC Bearing features a 25° contact angle, optimising load distribution for high-precision applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 4680 lbf.

The sealed design and grease lubrication reduce maintenance needs while maintaining efficiency.
With a maximum speed of 34,000 rpm, it delivers reliable operation in demanding conditions.

The matched arrangement of two bearings enhances stability and load-handling capacity.
Its phenolic cage minimises friction, contributing to smoother operation and extended service life.

Application

Industrial Uses of S71910 ACD/P4ADFC Bearing
S71910 ACD/P4ADFC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71910 ACD/P4ADFC Bearing provides smooth motion control for articulated arms, thanks to its moderate preload and phenolic cage. The matched arrangement of two bearings offers stability for repetitive tasks.

For medical imaging devices, S71910 ACD/P4ADFC Bearing’s P4A tolerance class delivers the quiet operation needed for sensitive diagnostics. Its grease lubrication maintains performance across the -30°C to 110°C temperature range.

Automotive vs Aerospace: Applications of S71910 ACD/P4ADFC Bearing
In automotive applications, S71910 ACD/P4ADFC Bearing supports high-speed wheel hubs with its 34,000 rpm capability. The chrome steel construction handles road vibration well.

Aerospace systems benefit from S71910 ACD/P4ADFC Bearing’s precision in flight control mechanisms. The 25° contact angle provides optimal load distribution during manoeuvres.

Where Is S71910 ACD/P4ADFC Bearing Used?
You’ll find S71910 ACD/P4ADFC Bearing in 3D printers, where its low friction maintains print head accuracy. The matched bearing set reduces axial play for consistent layer deposition.

Food processing equipment often uses S71910 ACD/P4ADFC Bearing for its sealed, corrosion-resistant design. The phenolic cage won’t degrade when exposed to cleaning chemicals.

Q&A

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