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Super Precision Angular Contact Ball Bearings 71928 ACD/P4ADGC

Super Precision Angular Contact Ball Bearings 71928 ACD/P4ADGC

The 71928 ACD/P4ADGC is a super precision angular contact ball bearing, measuring 140mm by 190mm by 48mm, crafted from high-quality chrome steel. It supports both radial and angular loads, with a dynamic radial load capacity of 32850 lbf and a maximum speed of 11000 RPM.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, making it versatile for various setups. The phenolic cage ensures smooth operation and durability under moderate preload conditions.

This bearing is lubricated for easy maintenance and performs reliably in temperatures from -30°C to 110°C. It comes as a matched set of two, ideal for high-precision applications like machine tool spindles or high-speed rotary systems.

Weighing 3.3kg, it’s robust yet suitable for demanding environments. Compliant with P4A tolerance standards, it’s interchangeable with SKF bearings for seamless replacements.

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Product Parameters

  • Part Number 71928 ACD/P4ADGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 48 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 15.875 mm
  • Ball Qty 29
  • 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 32850 lbf
  • Static Radial Load 49500 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 3.3 kg
Super Precision Angular Contact Ball Bearings 71928 ACD/P4ADGC dimension drawing
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Features

Performance Features of 71928 ACD/P4ADGC Bearing

71928 ACD/P4ADGC Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability and resistance to wear under high radial loads.

The phenolic cage in 71928 ACD/P4ADGC Bearing maintains ball alignment, enhancing smooth operation at speeds up to 11,000 rpm.
Universal matching allows flexible arrangement options, including back-to-back or face-to-face configurations.

With a dynamic radial load capacity of 32,850 lbf, 71928 ACD/P4ADGC Bearing performs reliably in demanding conditions.
The P4A tolerance class ensures precision, making it suitable for high-accuracy applications.

71928 ACD/P4ADGC Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its moderate preload (Class C) balances performance and longevity, reducing maintenance needs.

Application

Industrial Uses of 71928 ACD/P4ADGC Bearing
71928 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 feature allows flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71928 ACD/P4ADGC Bearing supports components like turbine shafts, thanks to its moderate preload and P4A tolerance class. The phenolic cage reduces friction, enhancing performance at high speeds.

For robotics, 71928 ACD/P4ADGC Bearing’s chrome steel construction provides durability in articulated arms and joints. Its open design facilitates easy lubrication, ensuring smooth operation in automated systems.

What Makes 71928 ACD/P4ADGC Bearing a Preferred Choice?
71928 ACD/P4ADGC Bearing excels in medical imaging devices, where its precision and low vibration are critical. The lubricated design ensures consistent performance in sensitive environments.

In automotive testing equipment, 71928 ACD/P4ADGC Bearing handles high-speed rotations with reliability. Its matched set configuration simplifies installation in demanding setups.

Built for Heavy-Duty Use: 71928 ACD/P4ADGC Bearing
71928 ACD/P4ADGC Bearing is ideal for industrial pumps, where its dynamic radial load capacity of 32850 lbf ensures longevity. The chrome steel rings resist wear in harsh conditions.

For wind turbine gearboxes, 71928 ACD/P4ADGC Bearing’s tandem arrangement options provide flexibility. The temperature range of -30°C to 110°C makes it adaptable to varying climates.

Q&A

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