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Super Precision Angular Contact Ball Bearings 7205 ACD/P4ADBD
Super Precision Angular Contact Ball Bearings 7205 ACD/P4ADBD

Super Precision Angular Contact Ball Bearings 7205 ACD/P4ADBD

The 7205 ACD/P4ADBD is a super precision angular contact ball bearing with a 25mm bore and 52mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 4770 lbf.

Its 25° contact angle and heavy preload (Class D) ensure stable performance at high speeds, up to 71,500 RPM. The phenolic cage reduces friction and wear, while the open design allows for easy lubrication.

This matched set of two bearings (DB arrangement) is ideal for applications requiring high precision, such as machine tool spindles or robotics. It operates smoothly in temperatures from -30°C to 110°C.

Weighing just 0.26kg, it’s a lightweight yet robust choice for demanding environments. Compatible with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 7205 ACD/P4ADBD
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 25 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 52 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 30 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.938 mm
  • Ball Qty 13
  • 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 Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 3082 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 71500 rpm
  • Weight 0.26 kg

Features

How Is 7205 ACD/P4ADBD Bearing Engineered for Reliability?

7205 ACD/P4ADBD Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.

The matched arrangement of two bearings ensures stability and precision in high-speed applications.

Made from chrome steel, it offers strong resistance to wear and maintains performance under heavy preload.

With a maximum speed of 71,500 rpm, it is suitable for demanding industrial uses.

Application

Industrial Uses of 7205 ACD/P4ADBD Bearing
7205 ACD/P4ADBD Bearing is commonly used in high-precision machine tools, where its angular contact design handles both radial and axial loads efficiently. The matched arrangement ensures stability in demanding operations like milling and grinding.

In robotics, 7205 ACD/P4ADBD Bearing provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction. Its heavy preload makes it suitable for repetitive, high-accuracy tasks.

For automotive applications, 7205 ACD/P4ADBD Bearing excels in wheel hubs and transmissions, where its P4A tolerance class enhances performance. The chrome steel construction offers durability under varying speeds and loads.

Medical imaging devices benefit from 7205 ACD/P4ADBD Bearing’s precision, ensuring quiet and reliable operation. The open design allows for easy lubrication, extending service life in critical equipment.

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