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Super Precision Angular Contact Ball Bearings S7208 ACDGA/P4A

Super Precision Angular Contact Ball Bearings S7208 ACDGA/P4A

The S7208 ACDGA/P4A is a super precision angular contact ball bearing with a 40mm bore and 80mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle efficiently manages combined radial and thrust loads, making it versatile for demanding setups.

Designed for extra light preload, it ensures smooth operation at high speeds up to 41,000 RPM. The sealed design keeps grease in and contaminants out, reducing maintenance needs.

With a phenolic cage and 14 precision balls, it offers quiet performance and long service life. Ideal for machine tools or spindle applications where accuracy is key.

Weighing 0.38kg, it’s robust yet lightweight. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for easy replacement. Suitable for temperatures from -30°C to 110°C.

This bearing can be paired in back-to-back, face-to-face, or tandem configurations for flexible use. A reliable choice for precision engineering needs.

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Product Parameters

  • Part Number S7208 ACDGA/P4A
  • 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 Sealed
  • Matched Arrangement No
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 7178 lbf
  • Static Radial Load 5130 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.38 kg
Super Precision Angular Contact Ball Bearings S7208 ACDGA/P4A dimension drawing
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Features

Performance Features of S7208 ACDGA/P4A Bearing

S7208 ACDGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 25° contact angle allows it to handle both radial and axial loads efficiently.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 7178 lbf, it excels in demanding applications.

S7208 ACDGA/P4A Bearing operates smoothly at speeds up to 41,000 rpm, thanks to its grease lubrication.
Its P4A tolerance class ensures consistent accuracy, even under high-speed conditions.

The sealed design protects against contaminants, extending the bearing’s service life.
It is suitable for temperatures ranging from -30°C to 110°C, making it versatile for various environments.

S7208 ACDGA/P4A Bearing is available in matched sets for universal mounting options.
This feature simplifies installation and ensures optimal performance in complex setups.

Application

Industrial Uses of S7208 ACDGA/P4A Bearing
S7208 ACDGA/P4A Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The sealed design helps maintain performance in environments with dust or debris.

In robotics, S7208 ACDGA/P4A Bearing supports articulated arms, providing smooth motion and reliability. Its extra-light preload makes it ideal for applications requiring minimal friction and high responsiveness.

For medical imaging devices, S7208 ACDGA/P4A Bearing’s phenolic cage and chrome steel construction offer durability and consistent performance. The P4A tolerance class ensures precision in critical diagnostic equipment.

Automotive vs Aerospace: Applications of S7208 ACDGA/P4A Bearing
In automotive systems, S7208 ACDGA/P4A Bearing is found in gearboxes and electric motors, where its high-speed capability is beneficial. The grease lubrication ensures long service life even under continuous use.

Aerospace applications rely on S7208 ACDGA/P4A Bearing for flight control systems, thanks to its lightweight design and precision. The temperature range of -30°C to 110°C makes it suitable for varying operational conditions.

What Makes S7208 ACDGA/P4A Bearing a Preferred Choice?
S7208 ACDGA/P4A Bearing is often selected for automation systems due to its universal matching capability. The back-to-back or face-to-face arrangements provide flexibility in design and installation.

In 3D printers, S7208 ACDGA/P4A Bearing ensures precise linear motion, enhancing print quality. The high dynamic radial load capacity supports the demands of rapid prototyping.

Q&A

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