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Super Precision Angular Contact Ball Bearings S71913 ACD/P4A

Super Precision Angular Contact Ball Bearings S71913 ACD/P4A

The S71913 ACD/P4A is a super precision angular contact ball bearing with a 65mm bore and 90mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes pre-lubricated for smooth operation.

Designed for angular contact loads, it handles dynamic radial loads up to 4388 lbf and spins at speeds up to 13000 RPM. The phenolic cage ensures durability while keeping the weight light at just 0.21kg.

Its sealed design protects against contaminants, making maintenance hassle-free. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or robotics, where accuracy and reliability are key. Compliant with P4 tolerance standards for superior performance.

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Product Parameters

  • Part Number S71913 ACD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 65 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.008mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 26
  • 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 4388 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 13000 rpm
  • Weight 0.21 kg
  • Price（$） 76.941
Super Precision Angular Contact Ball Bearings S71913 ACD/P4A dimension drawing
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Features

Performance Features of S71913 ACD/P4A Bearing

S71913 ACD/P4A Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.

Its 25° contact angle allows efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.

With a maximum speed of 13,000 rpm, it is ideal for high-speed applications.

How Does S71913 ACD/P4A Bearing Achieve High Precision?

S71913 ACD/P4A Bearing meets P4 tolerance class, offering exceptional accuracy for demanding tasks.

The sealed design keeps contaminants out, ensuring smooth and reliable operation.

Its dynamic radial load capacity of 4388 lbf makes it suitable for heavy-duty use.

The lubricated design reduces maintenance needs while extending service life.

Built for Reliability: S71913 ACD/P4A Bearing

S71913 ACD/P4A Bearing operates efficiently in temperatures ranging from -30° to 110°C.

The chrome steel construction resists wear, ensuring long-lasting performance.

Its compact size of 65 mm×90 mm×13 mm makes it versatile for various applications.

The preload option enhances stability and precision in high-speed operations.

Steel vs Ceramic Bearings: Strengths of S71913 ACD/P4A Bearing

S71913 ACD/P4A Bearing uses chrome steel for its rings and balls, balancing cost and performance.

The phenolic cage provides lightweight durability, reducing overall friction.

With 26 balls of 7.938 mm diameter, it ensures even load distribution.

Its static radial load capacity of 3600 lbf highlights its robustness in stationary applications.

Application

Common Applications of S71913 ACD/P4A Bearing
S71913 ACD/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding industrial environments.

In robotics, S71913 ACD/P4A Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage and chrome steel components. Its P4 tolerance class makes it suitable for applications requiring minimal vibration and high positional accuracy.

For medical imaging devices, S71913 ACD/P4A Bearing offers reliable performance due to its consistent load handling and low friction. The temperature range of -30° to 110°C ensures stability in various clinical settings.

Automotive applications like electric power steering systems benefit from S71913 ACD/P4A Bearing’s dynamic radial load capacity. Its compact size and metric dimensions make it a versatile choice for modern vehicle designs.

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