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Super Precision Angular Contact Ball Bearings 71830 ACD/P4DBB

Super Precision Angular Contact Ball Bearings 71830 ACD/P4DBB

The 71830 ACD/P4DBB is a super precision angular contact ball bearing with a 150mm bore and 190mm outer diameter, crafted from high-quality chrome steel. It measures 150mm x 190mm x 40mm, making it compact for its load capacity.

This bearing handles radial loads up to 17842 lbf and spins smoothly at speeds up to 11000 RPM, thanks to its 25° contact angle and phenolic cage. Its open design allows for easy lubrication and maintenance.

Matched as a duplex pair (DB arrangement) with light preload, it offers excellent stability for precision applications. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing 2.2kg, it operates reliably in temperatures from -30°C to 110°C. Compliant with P4 tolerance standards, it’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number 71830 ACD/P4DBB
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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/P4DBB dimension drawing
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Features

Performance Features of 71830 ACD/P4DBB Bearing

71830 ACD/P4DBB Bearing is crafted with chrome steel rings and balls, offering high precision and durability.
Its 25° contact angle ensures optimal load distribution, making it suitable for angular contact applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a dynamic radial load capacity of 17842 lbf, it handles demanding conditions effortlessly.

71830 ACD/P4DBB Bearing operates smoothly at speeds up to 11,000 rpm, balancing speed and reliability.
Its P4 tolerance class guarantees precision, ideal for high-accuracy machinery.

The matched arrangement of two bearings provides stability, ensuring consistent operation.
Its temperature range of -30°C to 110°C makes it versatile for various environments.

Application

Industrial Uses of 71830 ACD/P4DBB Bearing
71830 ACD/P4DBB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The matched arrangement of two bearings provides stability in demanding industrial environments.

In automotive applications, 71830 ACD/P4DBB Bearing supports high-speed components like gearboxes and electric motors, thanks to its light preload and phenolic cage. Its chrome steel construction offers durability and resistance to wear over time.

For automation systems, 71830 ACD/P4DBB Bearing is ideal for robotic arms and CNC machines, where smooth operation and precision are essential. The open seal type allows for easy lubrication, extending the bearing’s service life.

Medical imaging devices also benefit from 71830 ACD/P4DBB Bearing’s reliable performance, particularly in MRI and CT scanners. The P4 tolerance class ensures consistent accuracy in critical medical applications.

In consumer electronics, 71830 ACD/P4DBB Bearing can be found in high-end printers and 3D printers, where its low friction and high-speed capabilities enhance performance. The metric sizing makes it compatible with a variety of European and Asian equipment.

Q&A

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