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Super Precision Angular Contact Ball Bearings 71828 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71828 CD/P4DGA

The 71828 CD/P4DGA 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, making it versatile for various setups. The phenolic cage ensures durability and reduced friction during high-speed use.

This bearing comes pre-lubricated and works well in temperatures from -30°C to 110°C. Its P4 tolerance class guarantees exceptional precision for demanding applications.

Ideal for machine tools or high-precision equipment where accuracy and reliability are crucial. Weighing 1.6kg, it’s a robust choice for industrial use, and is interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71828 CD/P4DGA
  • 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 Extra light / Class A
  • 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/P4DGA dimension drawing
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Features

Performance Features of 71828 CD/P4DGA Bearing

71828 CD/P4DGA Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 15° contact angle ensures optimal performance in angular contact applications, handling both radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a dynamic radial load capacity of 16380 lbf, it excels in demanding conditions.

Designed for universal matching, 71828 CD/P4DGA Bearing supports various arrangements like back-to-back or face-to-face.
Its extra light preload (Class A) ensures minimal resistance, ideal for high-speed applications up to 11,000 rpm.

The open seal design allows easy lubrication, extending service life in temperatures from -30°C to 110°C.
Its P4 tolerance class guarantees precision, making it suitable for critical machinery.

Application

Key Fields for 71828 CD/P4DGA Bearing
In machine tools, 71828 CD/P4DGA Bearing excels with its high precision and angular contact design, ensuring smooth operation for spindle applications. The universal matching feature allows flexible arrangements, making it adaptable to various setups.

Where Is 71828 CD/P4DGA Bearing Used?
You’ll often find 71828 CD/P4DGA Bearing in high-speed robotics, where its extra light preload reduces friction and enhances accuracy. Its phenolic cage also helps maintain stability under rapid movements.

Built for Heavy-Duty Use: 71828 CD/P4DGA Bearing
For industrial pumps and compressors, 71828 CD/P4DGA Bearing handles radial and axial loads effortlessly. The chrome steel construction ensures long-lasting performance even in demanding environments.

Automotive vs Aerospace: Applications of 71828 CD/P4DGA Bearing
In automotive transmissions, 71828 CD/P4DGA Bearing supports smooth gear shifts with its precision engineering. Meanwhile, aerospace applications benefit from its reliability in navigation systems and actuators.

Perfect Fit for Automation: 71828 CD/P4DGA Bearing
71828 CD/P4DGA Bearing is ideal for CNC machines, where its P4 tolerance class guarantees consistent accuracy. The lubricated design also reduces maintenance needs, keeping production lines running smoothly.

Q&A

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