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Super Precision Angular Contact Ball Bearings 708 CD/P4A
Super Precision Angular Contact Ball Bearings 708 CD/P4A

Super Precision Angular Contact Ball Bearings 708 CD/P4A

The 708 CD/P4A is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and is designed for angular contact loads, handling up to 731 lbf dynamically.

With a phenolic cage and open design, it offers smooth operation at speeds up to 130,000 RPM. Its P4 tolerance class ensures high accuracy, making it suitable for precision applications.

This bearing is preload-ready and works well in temperatures from -30°C to 110°C. Ideal for use in machine tools or high-speed spindles where precision and reliability are key.

Weighing just 0.012kg, it’s lightweight yet robust. It’s interchangeable with SKF bearings, providing a reliable replacement option.

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Product Parameters

  • Part Number 708 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 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 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 731 lbf
  • Static Radial Load 308 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 130000 rpm
  • Weight 0.012 kg
  • Price($) 95.256

Features

Why Choose 708 CD/P4A Bearing for Precision Tasks?

708 CD/P4A Bearing features a 15° contact angle, optimising load distribution for high-precision applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 731 lbf, it handles demanding tasks reliably.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for precision instruments.

Operating at speeds up to 130,000 rpm, it balances performance and efficiency.
Its compact size (8 mm×22 mm×7 mm) allows for easy integration into space-sensitive designs.

Application

Key Fields for 708 CD/P4A Bearing
In precision machine tools, 708 CD/P4A Bearing excels with its 15° contact angle, ensuring smooth rotation under radial and axial loads. Its P4 tolerance class makes it suitable for high-accuracy applications like CNC spindles.

Where Is 708 CD/P4A Bearing Used?
You’ll often find 708 CD/P4A Bearing in small electric motors, where its compact 8mm bore and high-speed capability (up to 130,000 rpm) are ideal. The phenolic cage reduces friction, extending service life in continuous-duty scenarios.

Built for Heavy-Duty Use: 708 CD/P4A Bearing
This bearing handles demanding conditions in robotics, particularly in joint assemblies requiring precise movement. Its chrome steel construction resists wear, even in repetitive motion applications.

Medical vs Industrial: Where 708 CD/P4A Bearing Excels
In medical devices like dental drills, 708 CD/P4A Bearing offers quiet operation and reliability. Industrial uses include small gearboxes, where its lubricated design reduces maintenance needs.

Perfect Fit for Automation: 708 CD/P4A Bearing
For automated packaging machines, 708 CD/P4A Bearing provides consistent performance thanks to its balanced load distribution. The open seal design allows for easy relubrication during service intervals.

Q&A

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