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Super Precision Angular Contact Ball Bearings 71906 FE/HCP4AH

Super Precision Angular Contact Ball Bearings 71906 FE/HCP4AH

The 71906 FE/HCP4AH is a super precision angular contact bearing with a 30mm bore and 47mm outer diameter, crafted from chrome steel for durability. It handles radial loads up to 1258 lbf and spins smoothly at speeds up to 72,500 RPM.

Its 18° contact angle and ceramic balls reduce friction, while the phenolic cage ensures quiet operation. The open design allows easy lubrication, and it comes preloaded for immediate use.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. With a matched pair available, it offers balanced performance for demanding setups.

Weighing just 0.045kg, it’s lightweight yet robust. It operates in temperatures from -30°C to 110°C and meets P4A tolerance standards for accuracy.

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Product Parameters

  • Part Number 71906 FE/HCP4AH
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 30 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 47 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 18
  • Contact Angle 18°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1258 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 72500 rpm
  • Weight 0.045 kg
Super Precision Angular Contact Ball Bearings 71906 FE/HCP4AH dimension drawing
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Features

Performance Features of 71906 FE/HCP4AH Bearing

71906 FE/HCP4AH Bearing is designed with a precise 18° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and ceramic balls enhance durability while reducing friction for smoother operation.

With a dynamic radial load capacity of 1258 lbf, it handles demanding conditions reliably.
Its phenolic cage maintains ball alignment, ensuring consistent performance even at high speeds up to 72,500 rpm.

The open seal design allows for easy lubrication, extending maintenance intervals.
Precision P4A tolerance ensures consistent performance in super-precision applications.

Matched arrangement options provide flexibility for complex installations.
Its compact 30 mm×47 mm×9 mm size makes it suitable for space-constrained applications.

Application

Industrial Uses of 71906 FE/HCP4AH Bearing
71906 FE/HCP4AH Bearing is commonly used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it ideal for applications requiring smooth rotation.

In automotive systems, 71906 FE/HCP4AH Bearing supports components like electric motors and gearboxes, where its high-speed capability is beneficial. The phenolic cage adds durability, even under continuous use.

For automation equipment, 71906 FE/HCP4AH Bearing fits well in robotic arms and CNC machines, thanks to its matched arrangement option. The P4A tolerance class guarantees consistent performance in demanding environments.

Medical devices like dental drills benefit from 71906 FE/HCP4AH Bearing’s low friction and high-speed operation. The chrome steel rings provide long-lasting reliability in sterile environments.

In consumer electronics, 71906 FE/HCP4AH Bearing can be found in high-performance fans and small motors. Its compact size and lightweight design make it a practical choice for space-constrained applications.

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