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Super Precision Angular Contact Ball Bearings S71910 ACE/P4A

Super Precision Angular Contact Ball Bearings S71910 ACE/P4A

The S71910 ACE/P4A is a super precision angular contact ball bearing with a 50mm bore and 72mm outer diameter, crafted from high-quality chrome steel. Its compact 12mm width makes it suitable for tight spaces while maintaining robust performance.

With a 25° contact angle, it handles both radial and axial loads efficiently, supporting up to 2722 lbf dynamically. It spins smoothly at speeds up to 23,000 RPM, thanks to its phenolic cage and pre-lubrication.

The sealed design keeps contaminants out and reduces maintenance needs. Its P4 tolerance class ensures high accuracy, ideal for precision applications like machine tools or high-speed spindles.

Weighing just 0.13kg, it’s lightweight yet durable. Compatible with SKF bearings, it’s a reliable choice for replacements. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71910 ACE/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 7.144 mm
  • Ball Qty 21
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 2722 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 23000 rpm
  • Weight 0.13 kg
  • Price（$） 446.166
Super Precision Angular Contact Ball Bearings S71910 ACE/P4A dimension drawing
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Features

Performance Features of S71910 ACE/P4A Bearing

S71910 ACE/P4A Bearing is designed with a 25° contact angle, offering precise angular contact performance.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

The bearing supports dynamic radial loads up to 2722 lbf, making it suitable for high-precision applications.
With a maximum speed of 23,000 rpm, it delivers reliable performance in demanding conditions.

S71910 ACE/P4A Bearing comes pre-lubricated, reducing maintenance needs and extending service life.
Its sealed design protects against contaminants, ensuring consistent operation in various environments.

Application

Common Applications of S71910 ACE/P4A Bearing
S71910 ACE/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate spindle performance. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding environments.

In robotics, S71910 ACE/P4A Bearing supports articulated arms, providing smooth movement and reliability. Its phenolic cage offers lightweight durability, ideal for repetitive motion applications.

For medical imaging devices, S71910 ACE/P4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction also enhances longevity in sterile environments.

Automotive applications include electric vehicle motors, where S71910 ACE/P4A Bearing handles combined radial and axial loads efficiently. The lubricated design further supports high-speed operation without overheating.

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