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Super Precision Angular Contact Ball Bearings 708 CDGB/HCP4A

Super Precision Angular Contact Ball Bearings 708 CDGB/HCP4A

The 708 CDGB/HCP4A is a super precision angular contact ball bearing with an 8mm bore and 22mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 731 lbf and spins smoothly at speeds up to 110,000 RPM.

Its 15° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The open design allows easy lubrication, making maintenance straightforward.

This bearing is ideal for high-speed applications like machine tool spindles or dental equipment. Its P4A tolerance class ensures precise performance in demanding conditions.

Weighing just 0.011kg, it’s lightweight yet robust. Compatible with SKF bearings, it’s a reliable choice for replacements or upgrades. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 708 CDGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 22 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 7 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.969 mm
  • Ball Qty 9
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • 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°C to 110 °C
  • Max Speed 110000 rpm
  • Weight 0.011 kg
Super Precision Angular Contact Ball Bearings 708 CDGB/HCP4A dimension drawing
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Features

Performance Features of 708 CDGB/HCP4A Bearing

708 CDGB/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for precision applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

The phenolic cage ensures smooth operation, even at high speeds up to 110,000 rpm.
This lightweight bearing weighs just 0.011 kg, making it suitable for compact designs.

With a dynamic radial load capacity of 731 lbf, it handles demanding tasks reliably.
The P4A tolerance class guarantees consistent performance in precision machinery.

Its open design allows for easy lubrication, maintaining efficiency over time.
The temperature range of -30°C to 110°C ensures versatility in various environments.

Application

Industrial Uses of 708 CDGB/HCP4A Bearing
708 CDGB/HCP4A Bearing is commonly used in high-speed machine spindles, where its ceramic balls and phenolic cage reduce friction and heat buildup. The P4A tolerance ensures precise alignment, crucial for maintaining accuracy in CNC machining operations.

Where Is 708 CDGB/HCP4A Bearing Used?
You’ll often find 708 CDGB/HCP4A Bearing in dental drills and surgical tools, thanks to its smooth operation and reliability. The light preload design helps maintain consistent performance in delicate medical procedures.

Optimized for Performance: 708 CDGB/HCP4A Bearing
708 CDGB/HCP4A Bearing excels in robotics, particularly in articulated arms requiring quick, precise movements. Its angular contact design handles combined radial and axial loads effortlessly, making it ideal for automated assembly lines.

Automotive vs Aerospace: Applications of 708 CDGB/HCP4A Bearing
In automotive systems, 708 CDGB/HCP4A Bearing supports small electric motors, while in aerospace, it’s used in gyroscopes and navigation equipment. The ceramic balls provide durability in both high-speed and high-temperature environments.

Practical Applications of 708 CDGB/HCP4A Bearing
708 CDGB/HCP4A Bearing is a great fit for 3D printers, where its low friction and high-speed capabilities ensure smooth print head movement. The metric sizing makes it easy to integrate into various European and Asian-designed machines.

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