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Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADGA

Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADGA

The 7008 ACD/P4ADGA is a super precision angular contact ball bearing with a 40mm bore and 68mm outer diameter, crafted from durable chrome steel. Its 25° contact angle efficiently handles both radial and axial loads, making it versatile for high-speed applications.

Designed for extra light preload, it ensures smooth operation at speeds up to 56,000 RPM. The open seal type allows easy lubrication, while the phenolic cage enhances durability and reduces friction.

This bearing is part of a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools or spindles where precision and speed are crucial.

Weighing 0.38kg, it meets P4A tolerance standards for exceptional accuracy. Its temperature range of -30°C to 110°C ensures reliable performance in various environments.

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Product Parameters

  • Part Number 7008 ACD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 68 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 30 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 18
  • Contact Angle 25°
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5850 lbf
  • Static Radial Load 4680 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.38 kg
  • Price（$） 15.75
Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADGA dimension drawing
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Features

Performance Features of 7008 ACD/P4ADGA Bearing

7008 ACD/P4ADGA Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face configurations.

The chrome steel rings and balls provide high durability, supporting dynamic radial loads up to 5850 lbf.
With a maximum speed of 56,000 rpm, it delivers smooth performance in high-speed operations.

7008 ACD/P4ADGA Bearing’s phenolic cage enhances stability, reducing friction and wear.
Its extra light preload (Class A) ensures precise alignment for demanding tasks.

The open seal design allows easy lubrication, maintaining efficiency in temperatures from -30°C to 110°C.
Its P4A tolerance class guarantees consistent accuracy in precision machinery.

Application

Key Fields for 7008 ACD/P4ADGA Bearing
7008 ACD/P4ADGA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In robotics, 7008 ACD/P4ADGA Bearing supports smooth motion in articulated arms and joints, thanks to its phenolic cage reducing friction. Its high-speed capability (up to 56,000 rpm) makes it ideal for dynamic applications.

For automotive applications like electric motor shafts, 7008 ACD/P4ADGA Bearing offers reliable performance under angular loads. The chrome steel construction ensures durability, while the extra-light preload enhances efficiency.

Medical imaging devices benefit from 7008 ACD/P4ADGA Bearing’s precision and low noise operation. The P4A tolerance class guarantees consistent performance in sensitive equipment.

In 3D printers, 7008 ACD/P4ADGA Bearing’s smooth rotation improves print accuracy. The open design allows for easy lubrication, extending its service life in continuous use.

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