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Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DGA
Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DGA

Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DGA

The 71806 ACD/HCP4DGA is a super precision angular contact ball bearing with a 30mm bore and 42mm outer diameter, measuring 14mm wide. Made from chrome steel and ceramic balls, it offers smooth operation and durability.

With a 25° contact angle, it handles radial loads up to 1521 lbf and spins at speeds up to 100,500 RPM. The phenolic cage ensures stability, while the open design allows easy lubrication.

This bearing comes in a matched set of two, suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for high-speed applications like machine tools or precision instruments.

Weighing just 0.048kg, it’s lightweight yet robust. Compliant with P4 tolerance class, it ensures reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71806 ACD/HCP4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 42 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 14 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 23
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1521 lbf
  • Static Radial Load 1598 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 100500 rpm
  • Weight 0.048 kg

Features

How Is 71806 ACD/HCP4DGA Bearing Engineered for Reliability?

71806 ACD/HCP4DGA Bearing features a 25° contact angle, optimised for precise angular contact applications.
Its ceramic balls and chrome steel rings ensure smooth operation even at high speeds up to 100,500 rpm.

The phenolic cage maintains ball alignment, reducing friction and wear.
With universal matching capability, it offers flexibility in mounting configurations like back-to-back or face-to-face.

Designed for extra light preload, 71806 ACD/HCP4DGA Bearing delivers consistent performance under dynamic radial loads of 1521 lbf.
Its P4 tolerance class guarantees high precision in demanding environments.

The open seal design allows for easy lubrication, extending service life.
Operating between -30°C to 110°C, it performs reliably in varied temperature conditions.

Application

Practical Applications of 71806 ACD/HCP4DGA Bearing
In industrial settings, 71806 ACD/HCP4DGA Bearing is commonly used in high-speed spindles and precision machine tools, where its ceramic balls reduce friction and heat buildup. The universal matching design allows for flexible arrangements, making it suitable for complex machinery.

Where Is 71806 ACD/HCP4DGA Bearing Used?
You’ll often find 71806 ACD/HCP4DGA Bearing in automotive applications like electric motors and gearboxes, where its angular contact design handles combined loads efficiently. The phenolic cage ensures quiet operation, perfect for electric vehicles.

Optimized for Performance: 71806 ACD/HCP4DGA Bearing
For medical devices such as dental drills and imaging equipment, 71806 ACD/HCP4DGA Bearing offers reliable precision due to its P4 tolerance class. The ceramic balls also resist corrosion, ideal for sterile environments.

Automotive vs Aerospace: Applications of 71806 ACD/HCP4DGA Bearing
In automotive systems, 71806 ACD/HCP4DGA Bearing supports high-speed components like turbochargers. Meanwhile, in aerospace, its lightweight design and ceramic balls make it a fit for avionics and control systems.

Essential Roles of 71806 ACD/HCP4DGA Bearing
In robotics and automation, 71806 ACD/HCP4DGA Bearing ensures smooth motion in robotic arms and CNC machines. The extra-light preload reduces vibration, enhancing accuracy in repetitive tasks.

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