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Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGA

Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGA

The 71814 ACD/P4DGA is a super precision angular contact ball bearing with a 70mm bore and 90mm outer diameter, crafted from durable chrome steel. It handles both radial and angular loads, with a dynamic radial load capacity of 4770 lbf.

Its 25° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face, ideal for high-precision applications. The phenolic cage ensures smooth operation at speeds up to 28,000 RPM.

Preloaded for extra light performance, this bearing maintains accuracy in demanding conditions. It works reliably in temperatures from -30°C to 110°C and comes lubricated for immediate use.

Perfect for machine tools or high-speed spindles where precision is key. Weighing 0.27kg, it’s part of a matched set for balanced performance. Compliant with P4 tolerance standards for consistent quality.

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Product Parameters

  • Part Number 71814 ACD/P4DGA
  • 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 Extra light / Class A
  • 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
  • Price（$） 338.49
Super Precision Angular Contact Ball Bearings 71814 ACD/P4DGA dimension drawing
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Features

Why Choose 71814 ACD/P4DGA Bearing for Precision Tasks?

71814 ACD/P4DGA Bearing is crafted with a 25° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 4770 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 28,000 rpm, it excels in high-speed scenarios.

Universal matching allows flexible arrangements like back-to-back or face-to-face setups.
This makes 71814 ACD/P4DGA Bearing versatile for various precision engineering needs.

Its extra light preload (Class A) ensures minimal resistance, optimising efficiency.
The P4 tolerance class guarantees consistent performance in demanding conditions.

Application

Common Applications of 71814 ACD/P4DGA Bearing
71814 ACD/P4DGA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate radial and axial load handling. The open design and phenolic cage make it suitable for high-speed operations.

In robotics, 71814 ACD/P4DGA Bearing supports articulated arms, providing smooth movement and low friction. Its universal matching feature allows flexible arrangement in complex assemblies.

For medical imaging devices, 71814 ACD/P4DGA Bearing’s P4 tolerance class guarantees consistent performance. The chrome steel construction ensures durability in demanding environments.

Automotive applications like electric motor shafts benefit from 71814 ACD/P4DGA Bearing’s extra light preload. This reduces energy loss and enhances efficiency.

In 3D printers, 71814 ACD/P4DGA Bearing’s high-speed capability ensures precise layer deposition. The matched set design simplifies installation and maintenance.

Q&A

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