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Super Precision Angular Contact Ball Bearings 7208 ACDGA/HCP4A

Super Precision Angular Contact Ball Bearings 7208 ACDGA/HCP4A

The 7208 ACDGA/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 25° contact angle and ceramic balls for smooth operation.

This bearing handles radial loads up to 7178 lbf and spins at speeds up to 41,000 RPM, making it suitable for high-performance applications. Its phenolic cage ensures durability while maintaining low friction.

The open design allows for easy lubrication, and it can operate in temperatures from -30°C to 110°C. With a P4A tolerance class, it offers exceptional precision for demanding tasks.

Ideal for machine tools or high-speed spindles, this bearing is universal matching, allowing back-to-back, face-to-face, or tandem arrangements. It’s interchangeable with SKF bearings for convenient replacements.

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Product Parameters

  • Part Number 7208 ACDGA/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 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 3
  • 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 7178 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.33 kg
  • Price（$） 113.463
Super Precision Angular Contact Ball Bearings 7208 ACDGA/HCP4A dimension drawing
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Features

Performance Features of 7208 ACDGA/HCP4A Bearing

7208 ACDGA/HCP4A Bearing is crafted with chrome steel rings and ceramic balls, ensuring smooth operation under high-speed conditions.
Its 25° contact angle provides excellent radial and axial load capacity, making it versatile for various applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 41,000 rpm, it delivers reliable performance in precision tasks.

How Is 7208 ACDGA/HCP4A Bearing Engineered for Reliability?

7208 ACDGA/HCP4A Bearing features a precision P4A tolerance class, guaranteeing high accuracy and consistent performance.
The ceramic balls reduce friction and wear, extending the bearing’s service life.
Its extra light preload ensures smooth operation, even in demanding conditions.
The open design allows for easy lubrication, maintaining optimal performance over time.

Designed for Durability: 7208 ACDGA/HCP4A Bearing

7208 ACDGA/HCP4A Bearing’s chrome steel construction offers strong resistance to wear and tear.
The phenolic cage provides stability, keeping the ceramic balls in perfect alignment.
With a dynamic radial load capacity of 7178 lbf, it handles heavy loads effortlessly.
Its temperature range of -30°C to 110°C ensures reliable operation in various environments.

Steel vs Ceramic Bearings: Strengths of 7208 ACDGA/HCP4A Bearing

7208 ACDGA/HCP4A Bearing combines chrome steel rings with ceramic balls for superior performance.
The ceramic balls reduce friction and heat generation, enhancing efficiency.
This design also minimises noise, making it ideal for precision applications.
With a high-speed capability of 41,000 rpm, it outperforms standard steel bearings.

Application

Industrial Uses of 7208 ACDGA/HCP4A Bearing
7208 ACDGA/HCP4A Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth operation.

Where Is 7208 ACDGA/HCP4A Bearing Used?
You’ll find 7208 ACDGA/HCP4A Bearing in automotive transmissions, where its extra light preload helps manage angular loads efficiently. Its metric sizing and P4A tolerance class make it a reliable choice for European and Asian vehicle models.

Built for Heavy-Duty Use: 7208 ACDGA/HCP4A Bearing
7208 ACDGA/HCP4A Bearing excels in robotics, particularly in robotic arms that demand high precision and durability. The phenolic cage adds stability, even in high-speed scenarios.

Medical vs Industrial: Where 7208 ACDGA/HCP4A Bearing Excels
In medical imaging devices, 7208 ACDGA/HCP4A Bearing’s chrome steel rings and ceramic balls provide consistent performance. For industrial automation, its high-speed capability and low friction are key advantages.

Practical Applications of 7208 ACDGA/HCP4A Bearing
7208 ACDGA/HCP4A Bearing is a great fit for 3D printers, where its precision ensures smooth layer deposition. The open design allows for easy lubrication, extending its lifespan in continuous use.

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