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Super Precision Angular Contact Ball Bearings 71818 ACD/P4DGB

Super Precision Angular Contact Ball Bearings 71818 ACD/P4DGB

The 71818 ACD/P4DGB is a super precision angular contact ball bearing with a 90mm bore and 115mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 7470 lbf and operates smoothly at speeds up to 15,000 RPM.

With a 25° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduces friction during high-speed rotations.

This bearing is preloaded for light performance (Class B) and works in temperatures from -30°C to 110°C. Its open design allows easy lubrication, making maintenance straightforward.

Ideal for precision applications like machine tool spindles or high-speed robotics, where accuracy and reliability are key. Weighing 0.56kg, it’s a robust yet manageable choice for demanding setups. Compliant with P4 tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 71818 ACD/P4DGB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 90 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 115 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 31
  • 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 7470 lbf
  • Static Radial Load 11250 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.56 kg
Super Precision Angular Contact Ball Bearings 71818 ACD/P4DGB dimension drawing
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Features

Performance Features of 71818 ACD/P4DGB Bearing

71818 ACD/P4DGB Bearing is designed for super precision applications with a 25° contact angle, ensuring optimal load distribution.
Its universal matching arrangement allows for versatile configurations like back-to-back or face-to-face setups.

The chrome steel rings and balls provide excellent durability, while the phenolic cage reduces friction.
With a dynamic radial load capacity of 7470 lbf, it handles demanding tasks with ease.

71818 ACD/P4DGB Bearing operates smoothly at speeds up to 15,000 rpm, maintaining precision under high stress.
Its P4 tolerance class ensures consistent performance in critical applications.

The open design allows for easy lubrication, extending the bearing’s service life.
Its temperature range of -30°C to 110°C makes it suitable for various environments.

With a matched set of two bearings, 71818 ACD/P4DGB Bearing offers enhanced stability and reliability.
Its lightweight design at 0.56 kg ensures efficient performance without unnecessary bulk.

Application

Key Fields for 71818 ACD/P4DGB Bearing
71818 ACD/P4DGB Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In automotive applications, 71818 ACD/P4DGB Bearing supports gearbox systems, providing smooth operation under radial and axial loads. Its phenolic cage offers durability, even in high-speed scenarios.

For medical imaging devices, 71818 ACD/P4DGB Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction also enhances longevity in sterile environments.

Automation systems benefit from 71818 ACD/P4DGB Bearing’s light preload, which reduces friction in robotic arms. This makes it a reliable choice for repetitive, high-accuracy tasks.

In consumer electronics, 71818 ACD/P4DGB Bearing can be found in precision printers, where its low noise operation improves user experience. The metric sizing ensures compatibility with various European and Asian models.

Q&A

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