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Super Precision Angular Contact Ball Bearings 7208 CD/HCP4ADGA

Super Precision Angular Contact Ball Bearings 7208 CD/HCP4ADGA

The 7208 CD/HCP4ADGA is a super precision angular contact ball bearing measuring 40mm by 80mm by 36mm, crafted from chrome steel and ceramic balls for enhanced durability. It handles radial loads up to 12442 lbf and reaches speeds of 41000 RPM, making it suitable for high-performance applications.

With a 15° contact angle and extra light preload, it offers smooth operation and minimal friction. The phenolic cage ensures stability, while the open design allows for easy lubrication and maintenance.

This bearing is part of a matched set, compatible with universal arrangements like back-to-back or face-to-face mounting. Ideal for precision machinery, spindles, or high-speed tools where accuracy is key.

Weighing 0.65kg, it operates efficiently in temperatures from -30°C to 110°C. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for reliable replacements.

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Product Parameters

  • Part Number 7208 CD/HCP4ADGA
  • 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 36 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 Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 12442 lbf
  • Static Radial Load 10800 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.65 kg
  • Price（$） 184.455
Super Precision Angular Contact Ball Bearings 7208 CD/HCP4ADGA dimension drawing
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Features

Performance Features of 7208 CD/HCP4ADGA Bearing

7208 CD/HCP4ADGA Bearing is designed with a 15° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and ceramic balls reduce friction, enhancing speed and efficiency.
The phenolic cage ensures smooth operation, even at high speeds up to 41,000 rpm.
With universal matching, it offers flexibility in back-to-back, face-to-face, or tandem arrangements.

How Does 7208 CD/HCP4ADGA Bearing Reduce Friction?

7208 CD/HCP4ADGA Bearing uses ceramic balls and chrome steel rings to minimise friction during operation.
This combination allows it to achieve speeds of 41,000 rpm while maintaining precision.
The phenolic cage further reduces wear, ensuring long-lasting performance.
Its extra light preload class A design enhances smoothness in high-precision applications.

Engineered for Precision: 7208 CD/HCP4ADGA Bearing

7208 CD/HCP4ADGA Bearing meets P4A tolerance standards, ensuring exceptional accuracy.
Its dynamic radial load capacity of 12442 lbf makes it suitable for demanding tasks.
The universal matching feature allows versatile installation options.
With a temperature range of -30°C to 110°C, it performs reliably in various conditions.

Steel vs Ceramic Bearings: Strengths of 7208 CD/HCP4ADGA Bearing

7208 CD/HCP4ADGA Bearing combines chrome steel rings with ceramic balls for optimal performance.
This mix provides durability and reduced friction compared to traditional steel bearings.
The phenolic cage adds stability, making it ideal for high-speed applications.
Its precision design ensures consistent performance under radial and axial loads.

Application

Industrial Uses of 7208 CD/HCP4ADGA Bearing
7208 CD/HCP4ADGA Bearing is commonly 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 requiring smooth operation.

In automotive systems, 7208 CD/HCP4ADGA Bearing supports components like turbochargers and electric motors, thanks to its extra light preload and universal matching. The phenolic cage adds durability in high-temperature environments.

For medical imaging devices, 7208 CD/HCP4ADGA Bearing’s P4A tolerance class provides the reliability needed for consistent performance. Its chrome steel rings and ceramic balls ensure long service life even in demanding conditions.

Perfect Fit for Automation: 7208 CD/HCP4ADGA Bearing
7208 CD/HCP4ADGA Bearing excels in robotic arms and 3D printers, where its high-speed capability and precision are crucial. The open design allows for easy lubrication, maintaining performance over time.

In consumer electronics, 7208 CD/HCP4ADGA Bearing can be found in high-performance fans and printers, where its quiet operation and durability are valued. The metric sizing ensures compatibility with a wide range of devices.

Q&A

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