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Super Precision Angular Contact Ball Bearings 71828 ACD/P4

Super Precision Angular Contact Ball Bearings 71828 ACD/P4

The 71828 ACD/P4 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 efficiently handles both radial and axial loads.

With a dynamic radial load capacity of 9518 lbf and a maximum speed of 9000 RPM, it performs reliably in demanding conditions. The phenolic cage ensures smooth operation and durability.

This open-design bearing comes pre-lubricated for immediate use and operates in temperatures from -30°C to 110°C. Its P4 tolerance class guarantees high precision for critical applications.

Ideal for precision machinery like spindles or high-speed tools, it’s interchangeable with SKF bearings. Weighing 0.8kg, it offers a robust yet lightweight solution.

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Product Parameters

  • Part Number 71828 ACD/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 140 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 175 mm
  • Outer Dia Tolerance -0.01mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 10.319 mm
  • Ball Qty 35
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 9518 lbf
  • Static Radial Load 13162 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9000 rpm
  • Weight 0.8 kg
  • Price（$） 1912.356
Super Precision Angular Contact Ball Bearings 71828 ACD/P4 dimension drawing
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Features

Performance Features of 71828 ACD/P4 Bearing

71828 ACD/P4 Bearing is designed with a 25° contact angle, ideal for handling combined radial and axial loads.
Its chrome steel construction ensures durability and resistance to wear in high-speed applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 9518 lbf, it performs reliably under demanding conditions.

71828 ACD/P4 Bearing operates efficiently at speeds up to 9,000 rpm, balancing speed and stability.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy machinery.

Application

Essential Roles of 71828 ACD/P4 Bearing
71828 ACD/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The P4 tolerance class makes it suitable for applications demanding minimal vibration and high rotational accuracy.

In automotive applications, 71828 ACD/P4 Bearing can be found in gearboxes and wheel hubs, providing smooth performance even at high speeds. Its phenolic cage offers durability and reduces friction, enhancing overall efficiency.

For robotics and automation systems, 71828 ACD/P4 Bearing supports precise movements in robotic arms and CNC machines. The open seal type allows for easy lubrication, maintaining performance over extended periods.

Medical imaging devices benefit from 71828 ACD/P4 Bearing’s reliable operation and low noise levels. The chrome steel construction ensures long service life, even in demanding clinical environments.

In consumer electronics like high-end printers, 71828 ACD/P4 Bearing contributes to quiet and efficient operation. Its compact size and high load capacity make it a versatile choice for various electronic components.

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