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Super Precision Angular Contact Ball Bearings 71820 ACDGB/P4

Super Precision Angular Contact Ball Bearings 71820 ACDGB/P4

The 71820 ACDGB/P4 is a super precision angular contact ball bearing with a 100mm bore and 125mm outer diameter, measuring just 13mm wide. Made from chrome steel, it’s designed for angular contact loads and handles up to 4770 lbf dynamic radial load.

Its 25° contact angle and light preload ensure smooth operation at high speeds, up to 15,000 RPM. The phenolic cage reduces friction, making it efficient for precision applications.

This bearing is suitable for paired arrangements like back-to-back or face-to-face setups. Ideal for machine tools or spindles where accuracy and speed are crucial.

Weighing 0.31kg, it’s lightweight yet robust. It’s interchangeable with SKF bearings and works in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71820 ACDGB/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 125 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 13 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 34
  • Contact Angle 25°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 6188 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.31 kg
Super Precision Angular Contact Ball Bearings 71820 ACDGB/P4 dimension drawing
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Features

Performance Features of 71820 ACDGB/P4 Bearing

71820 ACDGB/P4 Bearing is crafted with chrome steel rings and balls, ensuring durability and precision.
Its 25° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 4770 lbf, it suits demanding applications.

71820 ACDGB/P4 Bearing operates smoothly at speeds up to 15,000 rpm.
Its open design and lubrication ensure reliable operation in various conditions.

The P4 tolerance class guarantees high precision, making it ideal for critical tasks.
Light preload and universal matching options provide flexibility in installation.

Application

Essential Roles of 71820 ACDGB/P4 Bearing
71820 ACDGB/P4 Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations without compromising stability.

Where Is 71820 ACDGB/P4 Bearing Used?
In automotive applications, 71820 ACDGB/P4 Bearing supports components like electric motors and gearboxes, thanks to its light preload and P4 tolerance class. Its chrome steel construction ensures durability even under continuous use.

Perfect Fit for Automation: 71820 ACDGB/P4 Bearing
71820 ACDGB/P4 Bearing excels in robotic arms and automated systems, where its high-speed capability and precision are crucial. The universal matching feature allows flexible arrangement in complex machinery setups.

Medical vs Industrial: Where 71820 ACDGB/P4 Bearing Excels
For medical imaging devices, 71820 ACDGB/P4 Bearing offers reliable performance due to its low friction and consistent operation. In industrial settings, it handles heavy loads in compressors and pumps with ease.

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