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Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADBC
Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADBC

Super Precision Angular Contact Ball Bearings 7008 ACD/P4ADBC

The 7008 ACD/P4ADBC 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 and matched pair design (DB arrangement) offer stable performance under radial and axial loads.

This bearing handles dynamic radial loads up to 5850 lbf and spins smoothly at speeds up to 56,000 RPM. The phenolic cage ensures quiet operation, while the open design allows easy relubrication.

Its P4A tolerance class guarantees high precision, ideal for applications requiring minimal vibration. The moderate preload (Class C) enhances rigidity without excessive friction.

Perfect for machine tools or high-speed spindles where accuracy is crucial. Weighing 0.38kg, it’s robust yet manageable for its size. Works reliably in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7008 ACD/P4ADBC
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Moderate / Class C
  • 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

Features

Performance Features of 7008 ACD/P4ADBC Bearing

7008 ACD/P4ADBC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

The matched arrangement of two bearings provides stability, handling dynamic radial loads up to 5850 lbf.
With a maximum speed of 56,000 rpm, it delivers precision performance in high-speed operations.

7008 ACD/P4ADBC Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its P4A tolerance class ensures consistent accuracy, making it ideal for precision machinery.

Application

Ideal for Precision: 7008 ACD/P4ADBC Bearing
The 7008 ACD/P4ADBC Bearing is a great fit for high-precision machine tools, where its moderate preload ensures smooth operation. Its angular contact design handles both radial and axial loads efficiently.

In robotics, 7008 ACD/P4ADBC Bearing works well in articulated arms, thanks to its matched arrangement and phenolic cage. The open seal type allows for easy lubrication, extending its service life.

For medical imaging devices, 7008 ACD/P4ADBC Bearing’s P4A tolerance class delivers the accuracy needed for consistent performance. The chrome steel construction adds durability in demanding environments.

Automotive applications like electric motor shafts benefit from 7008 ACD/P4ADBC Bearing’s high-speed capability. Its 25° contact angle provides stability under dynamic loads.

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