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Super Precision Angular Contact Ball Bearings 709 ACE/P4A

Super Precision Angular Contact Ball Bearings 709 ACE/P4A

The 709 ACE/P4A is a super precision angular contact ball bearing with a 9mm bore and 24mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 565 lbf and reaches speeds of 137,000 RPM, making it suitable for high-performance applications.

Its 25° contact angle and open design ensure smooth operation, while the phenolic cage enhances durability. The bearing comes preloaded and matched for precise alignment in demanding setups.

This model is interchangeable with SKF bearings, offering a reliable alternative. Ideal for use in machine tools or precision instruments where accuracy and speed are crucial.

Weighing just 0.014kg, it’s lightweight yet robust. It operates efficiently in temperatures from -30°C to 110°C, meeting P4 tolerance standards for exceptional performance.

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Product Parameters

  • Part Number 709 ACE/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 9 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 24 mm
  • Outer Dia Tolerance -0.005mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 9
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 565 lbf
  • Static Radial Load 202 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 137000 rpm
  • Weight 0.014 kg
  • Price（$） 95.832
Super Precision Angular Contact Ball Bearings 709 ACE/P4A dimension drawing
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Features

Why Choose 709 ACE/P4A Bearing for Precision Tasks?

709 ACE/P4A Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a maximum speed of 137,000 rpm, it excels in high-speed applications without compromising accuracy.
The P4 tolerance class guarantees tight dimensional control, making it suitable for demanding machinery.

Open design allows easy lubrication, maintaining performance across a temperature range of -30° to 110°C.
Its lightweight construction at just 0.014 kg ensures minimal inertia in precision systems.

Application

How Does 709 ACE/P4A Bearing Improve Performance?
In industrial settings, 709 ACE/P4A Bearing excels in high-speed spindles and precision machine tools due to its 25° contact angle and P4 tolerance class. The phenolic cage reduces friction, making it ideal for applications demanding smooth rotation.

Automotive systems benefit from 709 ACE/P4A Bearing’s angular contact design, particularly in electric motor assemblies where space is limited. Its compact 9 mm bore and 7 mm width fit seamlessly into tight configurations.

For medical robotics, 709 ACE/P4A Bearing offers reliable performance in surgical instruments, thanks to its chrome steel construction and lubricated design. The high-speed capability ensures precise movement in critical procedures.

Q&A

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