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Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADGA

Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADGA

The S71910 ACE/P4ADGA is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and sealed design for reliable performance.

With a dynamic radial load capacity of 4478 lbf, it spins smoothly at speeds up to 34,000 RPM. The phenolic cage ensures quiet operation, while the grease lubrication simplifies maintenance.

This bearing is part of a matched set of two, suitable for universal mounting in back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing just 0.25kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number S71910 ACE/P4ADGA
  • 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 7.144 mm
  • Ball Qty 21
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4478 lbf
  • Static Radial Load 3668 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.25 kg
Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADGA dimension drawing
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Features

How Does S71910 ACE/P4ADGA Bearing Achieve Super Precision?

S71910 ACE/P4ADGA Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
The sealed design and phenolic cage ensure smooth operation, even at speeds up to 34,000 rpm.

With a dynamic radial load capacity of 4478 lbf, it handles demanding tasks reliably.
The chrome steel construction resists wear, maintaining accuracy over time.

Its universal matching capability allows flexible arrangement in back-to-back or face-to-face configurations.
The extra-light preload reduces friction, enhancing efficiency and longevity.

Application

Super Precision Angular Contact Ball Bearings S71910 ACE/P4ADGA excels in high-speed machine tools, where its 25° contact angle ensures smooth rotation under radial and axial loads. The sealed design keeps contaminants out, extending service life in demanding industrial environments.

In robotics, S71910 ACE/P4ADGA is ideal for articulated arms requiring precise movement and low friction. Its universal matching capability allows flexible arrangement in back-to-back or face-to-face configurations.

For aerospace applications, S71910 ACE/P4ADGA’s phenolic cage and chrome steel construction provide reliability in avionics systems. The extra light preload ensures minimal vibration during high-speed operation.

Medical imaging devices benefit from S71910 ACE/P4ADGA’s P4A tolerance class, offering the accuracy needed for sensitive diagnostic equipment. The grease lubrication ensures quiet performance in critical healthcare settings.

Automotive electric motors utilise S71910 ACE/P4ADGA for its ability to handle combined loads efficiently. The metric dimensions make it compatible with compact designs in modern vehicle systems.

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