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Super Precision Angular Contact Ball Bearings S71910 ACD/P4A

Super Precision Angular Contact Ball Bearings S71910 ACD/P4A

The S71910 ACD/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 2858 lbf and operates smoothly at speeds up to 16,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet, efficient performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. With a P4 tolerance class, it offers reliable accuracy for demanding tasks.

Weighing just 0.14kg, it’s lightweight yet durable. It’s interchangeable with SKF bearings, making replacements straightforward. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71910 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 50 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 12 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 25
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2858 lbf
  • Static Radial Load 2205 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 16000 rpm
  • Weight 0.14 kg
  • Price（$） 445.644
Super Precision Angular Contact Ball Bearings S71910 ACD/P4A dimension drawing
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Features

Why Choose S71910 ACD/P4A Bearing for Precision Tasks?

S71910 ACD/P4A Bearing features a 25° contact angle, optimised for high-precision angular contact applications.
Its chrome steel construction ensures durability and consistent performance under dynamic radial loads up to 2858 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 16,000 rpm, it delivers reliable efficiency in demanding conditions.

S71910 ACD/P4A Bearing’s sealed design protects against contaminants, extending its service life.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Application

Key Fields for S71910 ACD/P4A Bearing
S71910 ACD/P4A Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction helps keep contaminants out, extending service life in demanding environments.

In robotics, S71910 ACD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and P4 tolerance class. Its compact size makes it ideal for space-constrained applications.

For medical imaging devices, S71910 ACD/P4A Bearing offers reliable performance with minimal vibration, crucial for clear diagnostic results. The chrome steel components ensure durability even with frequent use.

In automotive applications, S71910 ACD/P4A Bearing supports electric motor shafts, handling both radial and axial loads efficiently. Its lubricated design reduces maintenance needs for long-term reliability.

Consumer electronics like high-end printers benefit from S71910 ACD/P4A Bearing’s quiet operation and precise movement. The temperature range allows consistent performance in various operating conditions.

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