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Super Precision Angular Contact Ball Bearings 7208 CDGB/HCP4A

Super Precision Angular Contact Ball Bearings 7208 CDGB/HCP4A

The 7208 CDGB/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from durable chrome steel and ceramic balls. It handles radial loads up to 7605 lbf and spins smoothly at speeds up to 41,000 RPM.

Its 15° contact angle and phenolic cage ensure stable performance under angular loads, while the open design allows easy lubrication. The bearing operates efficiently in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a matched set of four, suitable for universal mounting configurations. Ideal for high-speed applications like machine tool spindles or precision instruments.

Weighing just 0.33kg, it offers a lightweight yet robust solution for demanding environments. Compliant with P4A tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 7208 CDGB/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • Contact Angle 15°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 4
  • 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 7605 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.33 kg
Super Precision Angular Contact Ball Bearings 7208 CDGB/HCP4A dimension drawing
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Features

Performance Features of 7208 CDGB/HCP4A Bearing

7208 CDGB/HCP4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and durability.

The phenolic cage in 7208 CDGB/HCP4A Bearing ensures smooth operation, even at high speeds up to 41,000 rpm.
This lightweight design, at just 0.33 kg, maintains precision without compromising strength.

7208 CDGB/HCP4A Bearing operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.
Its dynamic radial load capacity of 7605 lbf ensures reliable performance under stress.

With a P4A tolerance class, 7208 CDGB/HCP4A Bearing meets high precision standards for demanding applications.
The open design allows for easy lubrication, reducing maintenance needs.

Application

Practical Applications of 7208 CDGB/HCP4A Bearing
7208 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 rotation, making it ideal for CNC machining centres.

In robotics, 7208 CDGB/HCP4A Bearing supports articulated arms that require smooth, accurate movement. Its angular contact design handles combined radial and axial loads efficiently, even in rapid directional changes.

For medical imaging devices like CT scanners, 7208 CDGB/HCP4A Bearing’s low vibration characteristics maintain image clarity. The chrome steel rings provide durability while the ceramic balls minimise electromagnetic interference.

7208 CDGB/HCP4A Bearing works well in electric vehicle motors, where its high-speed capability matches demanding RPM requirements. The light preload setting optimises performance without excessive rolling resistance.

In aerospace applications, 7208 CDGB/HCP4A Bearing’s temperature stability suits auxiliary power units and flight control systems. Its universal matching feature allows flexible arrangement in compact assemblies.

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