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Super Precision Angular Contact Ball Bearings 71830 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71830 ACD/P4DGA

The 71830 ACD/P4DGA is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from durable chrome steel. It measures 40mm in width and weighs 2.2kg, making it a sturdy yet manageable component.

Designed for angular contact loads, it handles dynamic radial loads up to 17842 lbf and spins smoothly at speeds up to 11000 RPM. Its extra-light preload ensures minimal friction, ideal for high-precision applications.

The open design and phenolic cage allow for easy lubrication and long-lasting performance. It operates efficiently in temperatures from -30°C to 110°C, suitable for varied environments.

This bearing comes in a matched set of two, offering universal matching for back-to-back, face-to-face, or tandem arrangements. Perfect for machine tools or high-speed spindles where precision and reliability are key.

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Product Parameters

  • Part Number 71830 ACD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 150 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 190 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 40 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 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 17842 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 11000 rpm
  • Weight 2.2 kg
Super Precision Angular Contact Ball Bearings 71830 ACD/P4DGA dimension drawing
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Features

Performance Features of 71830 ACD/P4DGA Bearing

71830 ACD/P4DGA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 17842 lbf.

The phenolic cage ensures smooth operation, even at high speeds of 11,000 rpm.
Universal matching allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

With a P4 tolerance class, 71830 ACD/P4DGA Bearing delivers precision performance in demanding conditions.
Its extra light preload (Class A) reduces friction, extending service life.

The open seal design simplifies maintenance while maintaining reliable operation.
Weighing 2.2 kg, it balances strength and efficiency for industrial applications.

Application

Industrial Uses of 71830 ACD/P4DGA Bearing
71830 ACD/P4DGA Bearing is commonly used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load distribution. The universal matching design allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71830 ACD/P4DGA Bearing supports critical components like turbine shafts, thanks to its extra-light preload and P4 tolerance class. The phenolic cage reduces friction, enhancing performance at high speeds.

For automation systems, 71830 ACD/P4DGA Bearing excels in robotic arms and CNC machinery, where its chrome steel construction ensures long-term reliability. The open seal design simplifies lubrication, maintaining smooth operation in demanding environments.

Medical imaging devices benefit from 71830 ACD/P4DGA Bearing’s precision, as it provides stable rotation in MRI and CT scanners. The balanced load capacity and low vibration make it ideal for sensitive equipment.

In electric motors, 71830 ACD/P4DGA Bearing’s tandem arrangement options help manage angular misalignment, ensuring efficient power transmission. Its metric dimensions align with European and Asian motor standards.

Q&A

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