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Super Precision Angular Contact Ball Bearings 71828 CD/P4DGC

Super Precision Angular Contact Ball Bearings 71828 CD/P4DGC

The 71828 CD/P4DGC is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 16380 lbf and operates smoothly at speeds up to 11000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for precise applications. The phenolic cage ensures durability and reduces friction.

Suitable for temperatures from -30°C to 110°C, this bearing is lubricated for long-term performance. It comes in a matched set of two, making it perfect for high-precision machinery like spindles or CNC equipment.

Weighing 1.6kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacements.

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Product Parameters

  • Part Number 71828 CD/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 15°
  • 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 16380 lbf
  • Static Radial Load 28125 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 CD/P4DGC dimension drawing
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Features

How Is 71828 CD/P4DGC Bearing Engineered for Reliability?

71828 CD/P4DGC Bearing features a 15° contact angle, optimised for handling combined radial and axial loads.
Its chrome steel rings and balls provide strength, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 16380 lbf, it performs reliably in demanding applications.
The universal matching design allows flexible arrangement, supporting back-to-back, face-to-face, or tandem configurations.

Lubrication is pre-applied, reducing initial setup time and ensuring immediate performance.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Application

Industrial Uses of 71828 CD/P4DGC Bearing
71828 CD/P4DGC Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71828 CD/P4DGC Bearing supports high-speed components like turbochargers and transmission systems. Its moderate preload and P4 tolerance class provide the stability needed for demanding conditions.

For medical imaging devices, 71828 CD/P4DGC Bearing’s phenolic cage and chrome steel construction offer reliable performance. The open design facilitates easy lubrication, extending service life in critical equipment.

Automation & Robotics: Applications of 71828 CD/P4DGC Bearing
71828 CD/P4DGC Bearing excels in robotic arms, where its high-speed capability and precision are essential. The tandem arrangement option makes it ideal for compact, high-load scenarios.

In consumer electronics, 71828 CD/P4DGC Bearing can be found in high-end printers and scanners. Its balanced design ensures quiet operation, perfect for office environments.

Q&A

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