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Super Precision Angular Contact Ball Bearings 708 CD/HCP4A
Super Precision Angular Contact Ball Bearings 708 CD/HCP4A

Super Precision Angular Contact Ball Bearings 708 CD/HCP4A

The 708 CD/HCP4A is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from chrome steel for durability. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 731 lbf and spins at speeds up to 160,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures stability even at high speeds.

The open design allows for easy lubrication, while the P4 tolerance class guarantees precise performance. Ideal for use in machine tools or spindle drives where accuracy is crucial.

Weighing just 0.011kg, it’s lightweight yet robust. Compatible with SKF bearings for easy replacement, it operates in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 708 CD/HCP4A
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 731 lbf
  • Static Radial Load 308 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 160000 rpm
  • Weight 0.011 kg
  • Price($) 95.22

Features

How Does 708 CD/HCP4A Bearing Reduce Friction?

708 CD/HCP4A Bearing features ceramic balls and chrome steel rings, significantly reducing friction during operation.
Its 15° contact angle ensures smooth performance under angular loads, enhancing efficiency.

The phenolic cage maintains ball alignment, minimising wear and extending the bearing’s lifespan.
With a maximum speed of 160,000 rpm, it delivers reliable high-speed performance.

708 CD/HCP4A Bearing operates efficiently within a temperature range of -30° to 110°C.
Its precision P4 tolerance class ensures consistent performance in demanding applications.

Application

Practical Applications of 708 CD/HCP4A Bearing
In industrial settings, 708 CD/HCP4A Bearing is commonly used in high-speed spindles and machine tools, where its angular contact design ensures precise alignment. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

Where Is 708 CD/HCP4A Bearing Used?
You’ll often find 708 CD/HCP4A Bearing in automotive systems like electric motors and transmissions, where its high-speed capability and durability are key. The phenolic cage adds stability, even under heavy loads.

Built for Heavy-Duty Use: 708 CD/HCP4A Bearing
For robotics and automation, 708 CD/HCP4A Bearing excels in robotic arms and 3D printers, thanks to its P4 tolerance class. Its compact size and high precision make it a reliable choice for intricate movements.

Medical vs Industrial: Where 708 CD/HCP4A Bearing Excels
In medical devices like dental drills, 708 CD/HCP4A Bearing offers quiet operation and long service life. Meanwhile, in industrial pumps, its lubricated design ensures consistent performance under continuous use.

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