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Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGA

The 71828 ACD/P4DGA is a super precision angular contact ball bearing with a 140mm bore and 175mm outer diameter, measuring 36mm wide. Made from chrome steel, it’s designed for high accuracy and durability.

With a 25° contact angle, it handles radial loads up to 15502 lbf and spins smoothly at 6300 RPM. The extra light preload ensures minimal friction during operation.

Its open design and phenolic cage make it easy to maintain, while the universal matching allows flexible arrangements like back-to-back or face-to-face. Ideal for machine tools or high-speed spindles.

Weighing 1.6kg, it’s robust yet manageable. Compliant with P4 tolerance standards, it’s a reliable choice for precision applications. Works well in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a practical replacement option. Suitable for demanding setups where accuracy and speed are key.

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Product Parameters

  • Part Number 71828 ACD/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 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 Extra light / Class A
  • 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 6300 rpm
  • Weight 1.6 kg
Super Precision Angular Contact Ball Bearings 71828 ACD/P4DGA dimension drawing
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Features

Performance Features of 71828 ACD/P4DGA Bearing

71828 ACD/P4DGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability under dynamic radial loads up to 15502 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a P4 tolerance class, it offers precision for high-speed applications up to 6,300 rpm.

Universal matching allows flexible arrangements like back-to-back or face-to-face configurations.
This makes 71828 ACD/P4DGA Bearing suitable for complex machinery requiring reliable angular contact solutions.

The extra light preload ensures smooth operation while minimising wear.
Its open design simplifies lubrication, maintaining efficiency across a temperature range of -30°C to 110°C.

Application

Industrial Uses of 71828 ACD/P4DGA Bearing
71828 ACD/P4DGA 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, 71828 ACD/P4DGA Bearing supports components like turbine shafts, thanks to its phenolic cage and chrome steel construction. The extra light preload ensures smooth operation even at high speeds.

For robotics, 71828 ACD/P4DGA Bearing excels in articulated arms, where its P4 tolerance class guarantees minimal vibration. The lubricated design reduces maintenance needs, ideal for continuous operation.

Where Is 71828 ACD/P4DGA Bearing Used?
You’ll find 71828 ACD/P4DGA Bearing in medical imaging devices, where its precision and reliability are crucial for consistent performance. The open seal type allows for easy inspection and cleaning.

In automotive testing equipment, 71828 ACD/P4DGA Bearing handles high-speed rotations with ease. Its dynamic radial load capacity makes it a dependable choice for rigorous testing environments.

Built for Heavy-Duty Use: 71828 ACD/P4DGA Bearing
71828 ACD/P4DGA Bearing is a go-to for industrial pumps, where its robust design handles both radial and thrust loads. The chrome steel rings and balls ensure long service life even in demanding conditions.

For wind turbine gearboxes, 71828 ACD/P4DGA Bearing’s phenolic cage resists wear and reduces friction. Its temperature range of -30°C to 110°C makes it versatile for various climates.

Automotive vs Aerospace: Applications of 71828 ACD/P4DGA Bearing
In automotive transmissions, 71828 ACD/P4DGA Bearing provides smooth angular contact under load. Its metric sizing ensures compatibility with a wide range of vehicle designs.

For aerospace actuators, 71828 ACD/P4DGA Bearing’s high-speed capability and precision are essential. The matched set feature simplifies installation and maintenance in tight spaces.

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