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Super Precision Angular Contact Ball Bearings 71807 ACD/P4DBB
Super Precision Angular Contact Ball Bearings 71807 ACD/P4DBB

Super Precision Angular Contact Ball Bearings 71807 ACD/P4DBB

The 71807 ACD/P4DBB is a super precision angular contact ball bearing, measuring 35mm by 47mm by 14mm. Made from chrome steel with a phenolic cage, it’s designed for high-speed applications up to 56,000 RPM.

With a 25° contact angle and light preload, it handles radial loads up to 1580 lbf smoothly. Its open design allows easy lubrication, ensuring consistent performance.

This matched set of two bearings (DB arrangement) offers excellent stability for precision machinery. Ideal for spindle drives or high-speed tools where accuracy is key.

Weighing just 0.056kg, it’s lightweight yet robust. The P4 tolerance class ensures reliable operation in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71807 ACD/P4DBB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 35 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 26
  • 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 1580 lbf
  • Static Radial Load 1834 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 56000 rpm
  • Weight 0.056 kg

Features

Performance Features of 71807 ACD/P4DBB Bearing

71807 ACD/P4DBB Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls ensure durability and smooth operation under dynamic radial loads up to 1580 lbf.

Its phenolic cage maintains ball alignment, reducing friction and enhancing performance.
With a maximum speed of 56,000 rpm, it is suitable for high-speed precision tasks.

The matched arrangement of two bearings provides stability and balanced load handling.
Light preload class B ensures smooth operation while minimising wear.

Operating temperatures range from -30°C to 110°C, making it versatile for various environments.
The open seal type allows for easy lubrication and maintenance.

Precision tolerance class P4 guarantees consistent performance in demanding applications.
Its compact size of 35 mm×47 mm×14 mm makes it ideal for space-constrained installations.

Application

Key Fields for 71807 ACD/P4DBB Bearing
In machine tools, 71807 ACD/P4DBB Bearing ensures high precision during operations, thanks to its angular contact design and P4 tolerance class. The matched arrangement of two bearings provides stability for spindle applications.

Where Is 71807 ACD/P4DBB Bearing Used?
You’ll often find 71807 ACD/P4DBB Bearing in robotics, where its light preload and phenolic cage reduce friction for smooth movement. It’s also common in high-speed automation systems requiring reliable angular load support.

Perfect Fit for Automation: 71807 ACD/P4DBB Bearing
71807 ACD/P4DBB Bearing works well in 3D printers, offering quiet and precise motion control. Its chrome steel construction ensures durability even with continuous use.

Medical vs Industrial: Where 71807 ACD/P4DBB Bearing Excels
In medical imaging devices, 71807 ACD/P4DBB Bearing provides the accuracy needed for detailed scans. For industrial pumps, its high-speed capability and radial load handling make it a dependable choice.

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