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Super Precision Angular Contact Ball Bearings S71930 ACD/P4ADBB

Super Precision Angular Contact Ball Bearings S71930 ACD/P4ADBB

The S71930 ACD/P4ADBB is a super precision angular contact ball bearing with a 150mm bore and 210mm outer diameter, measuring 56mm in width. Made from chrome steel, it’s designed for high accuracy and durability.

This bearing handles radial loads up to 40050 lbf and can reach speeds of 11000 RPM, thanks to its phenolic cage and grease lubrication. Its 25° contact angle ensures smooth performance under angular loads.

The sealed design keeps contaminants out, while the matched arrangement of two bearings (DB) provides stability. It’s ideal for applications like machine tool spindles or high-speed rotary tables.

Weighing 5kg, it’s robust yet precise, with a temperature range of -30°C to 110°C. Compliant with P4A tolerance class, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71930 ACD/P4ADBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 210 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 56 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 19.05 mm
  • Ball Qty 23
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 40050 lbf
  • Static Radial Load 56250 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 5 kg
Super Precision Angular Contact Ball Bearings S71930 ACD/P4ADBB dimension drawing
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Features

Performance Features of S71930 ACD/P4ADBB Bearing

S71930 ACD/P4ADBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 40050 lbf.

The phenolic cage ensures smooth operation, reducing friction and noise during high-speed performance.
With a maximum speed of 11,000 rpm, it maintains reliability in precision tasks.

S71930 ACD/P4ADBB Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its sealed design and grease lubrication minimise maintenance needs, extending service life.

The matched arrangement of two bearings provides stability, ideal for demanding industrial environments.
Precision P4A tolerance ensures consistent performance, making it suitable for high-accuracy applications.

Application

Industrial Uses of S71930 ACD/P4ADBB Bearing
S71930 ACD/P4ADBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of two bearings provides stability in demanding industrial environments.

What Makes S71930 ACD/P4ADBB Bearing a Preferred Choice?
In automotive applications, S71930 ACD/P4ADBB Bearing supports high-speed components like turbochargers and transmissions. Its phenolic cage and grease lubrication help maintain performance under heavy loads.

Perfect Fit for Automation: S71930 ACD/P4ADBB Bearing
S71930 ACD/P4ADBB Bearing is ideal for robotic arms and automated production lines, thanks to its light preload and P4A tolerance class. The sealed design keeps contaminants out, extending service life.

Medical vs Industrial: Where S71930 ACD/P4ADBB Bearing Excels
S71930 ACD/P4ADBB Bearing performs well in medical imaging devices, offering smooth operation with minimal vibration. In industrial settings, its chrome steel construction handles radial loads efficiently.

Q&A

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