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Super Precision Angular Contact Ball Bearings S71920 ACD/P4AQGA

Super Precision Angular Contact Ball Bearings S71920 ACD/P4AQGA

The S71920 ACD/P4AQGA is a super precision angular contact ball bearing with a 100mm bore and 140mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes sealed for protection, with universal matching for versatile setups.

This bearing handles radial loads up to 33975 lbf and operates smoothly at speeds up to 16250 RPM. Its phenolic cage ensures durability, while the extra-light preload (Class A) enhances precision.

Designed for angular contact loads, it works well in temperatures from -30°C to 110°C. The set includes four matched bearings, suitable for back-to-back, face-to-face, or tandem arrangements.

Ideal for high-precision applications like machine tools or spindles, where accuracy and reliability are key. Weighing 3.25kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards for consistent performance.

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Product Parameters

  • Part Number S71920 ACD/P4AQGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 100 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 140 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 80 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 12.7 mm
  • Ball Qty 26
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 4
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 33975 lbf
  • Static Radial Load 56250 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 16250 rpm
  • Weight 3.25 kg
Super Precision Angular Contact Ball Bearings S71920 ACD/P4AQGA dimension drawing
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Features

Performance Features of S71920 ACD/P4AQGA Bearing

S71920 ACD/P4AQGA Bearing is designed with a 25° contact angle, providing excellent radial and axial load capacity.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The sealed design of S71920 ACD/P4AQGA Bearing keeps contaminants out, maintaining smooth operation.
With a maximum speed of 16,250 rpm, it is ideal for precision tasks requiring high performance.

S71920 ACD/P4AQGA Bearing’s universal matching allows for flexible arrangements like back-to-back or face-to-face.
This feature enhances stability and load distribution in complex applications.

The phenolic cage in S71920 ACD/P4AQGA Bearing reduces friction and noise, improving efficiency.
Its extra light preload ensures minimal resistance, extending service life.

S71920 ACD/P4AQGA Bearing operates efficiently in temperatures from -30°C to 110°C.
This makes it suitable for various industrial environments without compromising performance.

Application

Industrial Uses of S71920 ACD/P4AQGA Bearing
S71920 ACD/P4AQGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The sealed construction helps maintain performance in environments with dust or debris.

In robotics, S71920 ACD/P4AQGA Bearing supports articulated arms, providing smooth movement and reliable load handling. Its universal matching feature allows for flexible installation in various configurations.

For medical imaging devices, S71920 ACD/P4AQGA Bearing’s phenolic cage reduces friction, ensuring quiet operation during sensitive procedures. The P4A tolerance class guarantees consistent precision for critical applications.

What Makes S71920 ACD/P4AQGA Bearing a Preferred Choice?
S71920 ACD/P4AQGA Bearing excels in aerospace applications, where its extra light preload minimises vibration in flight control systems. The chrome steel construction offers durability under demanding conditions.

In automation systems, S71920 ACD/P4AQGA Bearing’s tandem arrangement supports high-speed conveyor belts efficiently. The grease lubrication ensures long service life with minimal maintenance required.

Built for Heavy-Duty Use: S71920 ACD/P4AQGA Bearing
S71920 ACD/P4AQGA Bearing handles heavy radial loads in industrial gearboxes, thanks to its 26-ball design. The 25° contact angle optimises load distribution for extended bearing life.

For electric vehicle motors, S71920 ACD/P4AQGA Bearing provides stable performance at speeds up to 16,250 rpm. Its temperature range from -30°C to 110°C suits various operating environments.

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