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Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGC

Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGC

The 71828 ACD/P4DGC is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and moderate preload ensure smooth operation under radial and angular loads.

With a dynamic radial load capacity of 15502 lbf, it handles high speeds up to 11000 RPM. The open design and phenolic cage offer durability and easy maintenance, suitable for temperatures from -30°C to 110°C.

This bearing comes in a matched set of two, allowing flexible arrangements like back-to-back or face-to-face. Ideal for precision applications such as machine tool spindles or high-speed industrial equipment.

Weighing 1.6kg, it meets P4 tolerance standards for exceptional accuracy. Interchangeable with SKF bearings, it’s a reliable choice for demanding environments.

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Product Parameters

  • Part Number 71828 ACD/P4DGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4
  • 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 15502 lbf
  • Static Radial Load 26550 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGC dimension drawing
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Features

Performance Features of 71828 ACD/P4DGC Bearing

71828 ACD/P4DGC Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel rings and balls ensure high durability and resistance to wear.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 15502 lbf, it performs reliably in demanding applications.

71828 ACD/P4DGC Bearing supports universal matching, offering flexibility in back-to-back or face-to-face arrangements.
Its P4 tolerance class guarantees precision, making it suitable for high-speed operations up to 11,000 rpm.

Application

Essential Roles of 71828 ACD/P4DGC Bearing
71828 ACD/P4DGC Bearing is widely used in high-precision machine tools, where its moderate preload and 25° contact angle ensure accurate positioning. The universal matching feature allows flexible arrangements for various load conditions.

In aerospace applications, 71828 ACD/P4DGC Bearing supports critical components like turbine shafts, thanks to its P4 tolerance class. The phenolic cage reduces weight while maintaining stability at high speeds.

For robotics, 71828 ACD/P4DGC Bearing excels in articulated arms, providing smooth motion with minimal friction. Its chrome steel construction offers durability in continuous operation.

Where Is 71828 ACD/P4DGC Bearing Used?
You’ll find 71828 ACD/P4DGC Bearing in medical imaging devices, where its precision and low vibration are crucial. The open design allows for easy lubrication, extending service life.

In industrial pumps, 71828 ACD/P4DGC Bearing handles radial and axial loads efficiently. The metric dimensions make it compatible with a range of European machinery.

Built for Heavy-Duty Use: 71828 ACD/P4DGC Bearing
71828 ACD/P4DGC Bearing is ideal for wind turbine gearboxes, where its dynamic load capacity ensures reliable performance. The tandem arrangement option suits high-thrust applications.

In CNC machining centres, 71828 ACD/P4DGC Bearing maintains precision under heavy cutting forces. The lubricated design reduces maintenance needs in demanding environments.

Automotive vs Aerospace: Applications of 71828 ACD/P4DGC Bearing
In automotive testing equipment, 71828 ACD/P4DGC Bearing provides accurate measurements with minimal deflection. The temperature range suits both indoor and outdoor use.

For aircraft landing gear systems, 71828 ACD/P4DGC Bearing offers the required stiffness and load capacity. The phenolic cage resists corrosion in harsh conditions.

Q&A

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