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Super Precision Angular Contact Ball Bearings 7208 CD/HCP4A

Super Precision Angular Contact Ball Bearings 7208 CD/HCP4A

The 7208 CD/HCP4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and ceramic balls for smooth operation.

This bearing handles dynamic radial loads up to 7605 lbf and spins at speeds up to 34,000 RPM. Its phenolic cage ensures durability while the P4 tolerance class guarantees precise performance.

The open design allows for easy lubrication and maintenance. It performs reliably in temperatures ranging from -30°C to 110°C.

Ideal for high-precision applications like machine tool spindles or high-speed motors, this bearing is interchangeable with SKF models. Weighing just 0.33kg, it offers excellent performance in a compact package.

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Product Parameters

  • Part Number 7208 CD/HCP4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.006mm to 0
  • Outer Dia 80 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 14
  • 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 7605 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 34000 rpm
  • Weight 0.33 kg
  • Price（$） 237.951
Super Precision Angular Contact Ball Bearings 7208 CD/HCP4A dimension drawing
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Features

Why Choose 7208 CD/HCP4A Bearing for Precision Tasks?

7208 CD/HCP4A Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its ceramic balls and chrome steel rings ensure smooth operation, even at high speeds up to 34,000 rpm.
The phenolic cage provides excellent heat resistance, maintaining stability in varied temperatures.
With a dynamic radial load capacity of 7605 lbf, it delivers reliable performance in demanding applications.

Application

Common Applications of 7208 CD/HCP4A Bearing
7208 CD/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it ideal for applications demanding smooth operation.

In robotics, 7208 CD/HCP4A Bearing supports articulated arms, providing stability during repetitive movements. Its phenolic cage offers lightweight durability, which is essential for maintaining efficiency in automated systems.

For dental drills and other medical devices, 7208 CD/HCP4A Bearing’s P4 tolerance guarantees consistent performance. The chrome steel rings and ceramic balls also contribute to its longevity in sterile environments.

Where Is 7208 CD/HCP4A Bearing Used?
7208 CD/HCP4A Bearing excels in CNC machinery, where its high-speed capability and low heat generation are crucial. The open design allows for easy lubrication, extending service life in demanding conditions.

In electric motors, 7208 CD/HCP4A Bearing handles radial and axial loads efficiently. Its ceramic balls and phenolic cage reduce wear, making it a reliable choice for continuous operation.

Built for Heavy-Duty Use: 7208 CD/HCP4A Bearing
7208 CD/HCP4A Bearing is a go-to for industrial pumps, where its robust construction withstands constant vibration. The 15° contact angle ensures optimal load distribution, even under stress.

For aerospace applications, 7208 CD/HCP4A Bearing’s precision and temperature resistance are key. Its lightweight design doesn’t compromise on strength, making it suitable for critical components.

Automotive vs Aerospace: Applications of 7208 CD/HCP4A Bearing
In automotive transmissions, 7208 CD/HCP4A Bearing offers smooth performance under high loads. Its ceramic balls reduce friction, enhancing fuel efficiency and longevity.

For aerospace systems, 7208 CD/HCP4A Bearing’s precision and reliability are unmatched. The P4 tolerance ensures it meets the stringent requirements of flight-critical components.

Q&A

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