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Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGC

Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGC

The 71814 ACD/P4DGC is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and moderate preload ensure smooth operation under radial loads up to 4770 lbf.

This bearing spins at speeds up to 28,000 RPM, thanks to its phenolic cage and open design for easy lubrication. It performs reliably in temperatures ranging from -30°C to 110°C.

The universal matching feature allows flexible arrangements like back-to-back or face-to-face, making it versatile for precision applications. Ideal for machine tools or high-speed spindles where accuracy is key.

Weighing just 0.27kg, it’s lightweight yet robust, and comes as a matched set of two bearings. Compliant with P4 tolerance standards for exceptional precision.

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Product Parameters

  • Part Number 71814 ACD/P4DGC
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 70 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 90 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 20 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 5.556 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 Moderate / Class C
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 4770 lbf
  • Static Radial Load 6750 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 0.27 kg
Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGC dimension drawing
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Features

How Does 71814 ACD/P4DGC Bearing Reduce Friction?

71814 ACD/P4DGC Bearing features a 25° contact angle, optimised for smooth angular contact load distribution.
The chrome steel rings and balls ensure minimal friction, enhancing operational efficiency.

With a phenolic cage, 71814 ACD/P4DGC Bearing maintains ball alignment, reducing wear during high-speed rotation.
Its dynamic radial load capacity of 4770 lbf supports reliable performance under stress.

The universal matching design allows flexible arrangement in back-to-back, face-to-face, or tandem configurations.
This adaptability makes 71814 ACD/P4DGC Bearing suitable for precision applications requiring consistent performance.

Lubricated for longevity, it operates smoothly at speeds up to 28,000 rpm.
The P4 tolerance class ensures high precision, meeting demanding industrial standards.

Application

Practical Applications of 71814 ACD/P4DGC Bearing
In industrial settings, 71814 ACD/P4DGC Bearing is commonly used in high-speed spindles and machine tools, where its precision angular contact design ensures accurate performance. The universal matching feature allows for flexible arrangements, making it suitable for various configurations.

How Does 71814 ACD/P4DGC Bearing Improve Performance?
For automotive applications, 71814 ACD/P4DGC Bearing enhances gearbox efficiency with its moderate preload and high-speed capabilities. The chrome steel construction provides durability, while the phenolic cage reduces friction in demanding conditions.

Built for Heavy-Duty Use: 71814 ACD/P4DGC Bearing
In automation and robotics, 71814 ACD/P4DGC Bearing supports precise movements in robotic arms and CNC machines. Its P4 tolerance class ensures reliable operation, even under continuous use.

Medical vs Industrial: Where 71814 ACD/P4DGC Bearing Excels
For medical imaging devices, 71814 ACD/P4DGC Bearing offers smooth rotation and low noise, crucial for sensitive equipment. In contrast, industrial applications benefit from its high load capacity and thermal stability.

Essential Roles of 71814 ACD/P4DGC Bearing
In consumer electronics like high-end printers, 71814 ACD/P4DGC Bearing provides quiet and efficient operation. The lubricated design ensures long service life, reducing maintenance needs.

Q&A

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