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Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGC

Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGC

The 71940 ACD/P4ADGC is a super precision angular contact ball bearing with a 200mm bore and 280mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 73125 lbf and operates smoothly at speeds up to 16250 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for complex setups. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing comes pre-lubricated and works in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision for demanding applications.

Weighing 12.2kg, it’s suited for heavy-duty machinery like spindles or CNC equipment where accuracy and reliability are crucial. The set includes two matched bearings for balanced performance.

Interchangeable with SKF models, it offers a practical solution for replacements or upgrades. Compliant with industry standards, it’s a dependable choice for precision engineering needs.

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Product Parameters

  • Part Number 71940 ACD/P4ADGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 200 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 280 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 76 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 25.4 mm
  • Ball Qty 26
  • 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 73125 lbf
  • Static Radial Load 112500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 12.2 kg
Super Precision Angular Contact Ball Bearings 71940 ACD/P4ADGC dimension drawing
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Features

Performance Features of 71940 ACD/P4ADGC Bearing

71940 ACD/P4ADGC Bearing is crafted with chrome steel rings and balls, offering high resistance to radial and angular loads.
Its dynamic radial load capacity reaches 73125 lbf, ensuring reliable performance in precision applications.
The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 16,250 rpm, it delivers both speed and stability.

How Does 71940 ACD/P4ADGC Bearing Ensure Precision?

71940 ACD/P4ADGC Bearing features a 25° contact angle, optimised for handling combined radial and axial loads.
The universal matching design allows for flexible arrangements like back-to-back or face-to-face mounting.
Its P4A tolerance class ensures high precision, making it suitable for demanding machinery.
The moderate preload (Class C) further enhances operational accuracy and smoothness.

Designed for Durability: 71940 ACD/P4ADGC Bearing

71940 ACD/P4ADGC Bearing’s chrome steel construction provides excellent wear resistance and longevity.
The open seal type allows for easy lubrication, maintaining optimal performance over time.
With a static radial load capacity of 112500 lbf, it handles heavy-duty applications effortlessly.
Its temperature range of -30°C to 110°C ensures reliability in various operating conditions.

Steel vs Ceramic Bearings: Strengths of 71940 ACD/P4ADGC Bearing

71940 ACD/P4ADGC Bearing uses chrome steel for both rings and balls, offering a balance of strength and affordability.
The phenolic cage reduces weight and friction, improving efficiency compared to metal cages.
Its 26 balls with 25.4 mm diameter ensure even load distribution and smooth operation.
The lubricated design further enhances performance, reducing maintenance needs.

Application

Industrial Uses of 71940 ACD/P4ADGC Bearing
71940 ACD/P4ADGC Bearing is commonly 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 aerospace applications, 71940 ACD/P4ADGC Bearing supports components like turbine shafts, thanks to its moderate preload and high-speed capabilities. The phenolic cage reduces friction, enhancing performance in demanding conditions.

For automation systems, 71940 ACD/P4ADGC Bearing excels in robotic arms and CNC machines, where its P4A tolerance class guarantees consistent operation. The chrome steel construction also ensures durability in continuous use.

Medical imaging devices benefit from 71940 ACD/P4ADGC Bearing’s precision and reliability, particularly in MRI scanners. Its open design simplifies maintenance, while the lubricated finish extends service life.

In electric vehicle drivetrains, 71940 ACD/P4ADGC Bearing handles high loads and speeds efficiently. The matched set configuration ensures balanced performance, making it a dependable choice for modern automotive engineering.

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