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Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DBA

Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DBA

The 71806 ACD/HCP4DBA is a super precision angular contact ball bearing with a 30mm bore and 42mm outer diameter, crafted from chrome steel for durability. It features a 25° contact angle and comes in a matched pair for balanced performance.

With a dynamic radial load capacity of 1521 lbf, it spins smoothly at speeds up to 100,500 RPM. The ceramic balls and phenolic cage reduce friction, enhancing its efficiency and lifespan.

Its open design allows for easy lubrication, while the extra light preload ensures minimal resistance. Ideal for high-speed applications like spindles or precision tools where accuracy is key.

Weighing just 0.048kg, it’s lightweight yet robust. Compliant with P4 tolerance standards, it’s a reliable choice for demanding environments. Works well in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 71806 ACD/HCP4DBA
  • 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 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • 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
Super Precision Angular Contact Ball Bearings 71806 ACD/HCP4DBA dimension drawing
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Features

Performance Features of 71806 ACD/HCP4DBA Bearing

71806 ACD/HCP4DBA Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction.

With a dynamic radial load capacity of 1521 lbf, it handles demanding conditions effortlessly.
Its phenolic cage ensures smooth operation, even at high speeds up to 100,500 rpm.

The matched arrangement of two bearings provides stability and balanced performance.
Precision tolerances (P4 class) guarantee reliable operation in critical applications.

Lubrication is pre-applied, simplifying initial setup and maintenance.
The compact 30 mm×42 mm×14 mm size makes it ideal for space-constrained installations.

Application

Practical Applications of 71806 ACD/HCP4DBA Bearing
71806 ACD/HCP4DBA Bearing is widely used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation in precision grinding applications.

In robotics, 71806 ACD/HCP4DBA Bearing supports articulated arms, providing stability during rapid movements. Its matched arrangement of two bearings enhances load distribution, ideal for repetitive tasks.

For aerospace components, 71806 ACD/HCP4DBA Bearing offers reliable performance in navigation systems, thanks to its P4 tolerance class. The chrome steel rings withstand harsh conditions while maintaining accuracy.

In dental equipment, 71806 ACD/HCP4DBA Bearing’s low vibration design ensures quiet operation during procedures. The lubricated construction also extends service life in high-use medical environments.

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