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Super Precision Angular Contact Ball Bearings 71830 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71830 ACD/P4DGB

The 71830 ACD/P4DGB is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and light preload ensure smooth operation under radial loads up to 17842 lbf.

With a phenolic cage and open design, it offers low friction and easy maintenance, reaching speeds up to 11000 RPM. The bearing operates efficiently in temperatures from -30°C to 110°C.

This universal matching set includes two bearings, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives where accuracy is key.

Weighing 2.2kg, it’s a robust choice for demanding industrial environments. Compliant with P4 tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71830 ACD/P4DGB
  • 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 Light / Class B
  • 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/P4DGB dimension drawing
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Features

Performance Features of 71830 ACD/P4DGB Bearing

71830 ACD/P4DGB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
Its universal matching capability allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.

The chrome steel rings and balls ensure durability, while the phenolic cage maintains smooth operation at high speeds.
With a dynamic radial load capacity of 17842 lbf, it handles demanding conditions reliably.

71830 ACD/P4DGB Bearing operates efficiently at speeds up to 11,000 rpm, balancing performance and longevity.
Its P4 tolerance class guarantees precision, making it suitable for high-accuracy applications.

The light preload (Class B) reduces friction, enhancing efficiency without compromising stability.
Its temperature range of -30°C to 110°C ensures consistent performance in varied environments.

Application

Practical Applications of 71830 ACD/P4DGB Bearing
71830 ACD/P4DGB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The light preload and universal matching make it adaptable for various configurations.

In aerospace applications, 71830 ACD/P4DGB Bearing supports components like helicopter transmissions, handling both radial and axial loads efficiently. Its phenolic cage reduces friction, ideal for high-speed operations.

For robotics, 71830 ACD/P4DGB Bearing provides smooth motion in articulated arms, thanks to its P4 tolerance class. The chrome steel construction ensures long-term reliability in repetitive movements.

Medical imaging devices benefit from 71830 ACD/P4DGB Bearing’s quiet operation and minimal vibration. The open design allows for easy lubrication, maintaining performance in critical environments.

In automotive testing equipment, 71830 ACD/P4DGB Bearing’s durability handles rigorous use, ensuring consistent results. Its metric sizing fits seamlessly into European and Asian machinery designs.

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