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Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTD
Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTD

Super Precision Angular Contact Ball Bearings 71906 ACD/P4ATBTD

The 71906 ACD/P4ATBTD is a super precision angular contact ball bearing with a 30mm bore and 47mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 3285 lbf and operates smoothly at speeds up to 83,000 RPM.

Its 25° contact angle and heavy preload (Class D) ensure stable performance under angular loads. The phenolic cage reduces friction and wear, enhancing durability.

This set includes three matched bearings arranged in a TBT configuration for balanced load distribution. Ideal for high-precision applications like machine tool spindles or aerospace components.

Weighing just 0.14kg, it’s lightweight yet robust. Suitable for temperatures from -30°C to 110°C, making it versatile for various industrial uses. Compliant with P4A tolerance standards for exceptional accuracy.

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Product Parameters

  • Part Number 71906 ACD/P4ATBTD
  • 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 27 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 20
  • Contact Angle 25°
  • Tolerance Class P4A
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement 3 bearings <>> TBT
  • Number Of Bearings In Matched Set 3
  • Universal Matching Bearing No
  • Preload Heavy / Class D
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 3285 lbf
  • Static Radial Load 2902 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 83000 rpm
  • Weight 0.14 kg

Features

How Does 71906 ACD/P4ATBTD Bearing Reduce Friction?

71906 ACD/P4ATBTD Bearing features a 25° contact angle, optimising load distribution and reducing friction.
Its chrome steel rings and balls ensure smooth operation, even at high speeds up to 83,000 rpm.

The phenolic cage maintains ball alignment, minimising wear and enhancing longevity.
With a dynamic radial load capacity of 3285 lbf, it delivers reliable performance in precision applications.

Preloaded for heavy-duty use, 71906 ACD/P4ATBTD Bearing is ideal for angular contact tasks.
Its open design allows for easy lubrication, ensuring consistent performance.

Application

Key Fields for 71906 ACD/P4ATBTD Bearing
71906 ACD/P4ATBTD Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The matched arrangement of three bearings provides stability for demanding operations like milling and grinding.

In robotics, 71906 ACD/P4ATBTD Bearing supports articulated arms, offering smooth movement under heavy preload conditions. Its phenolic cage reduces friction, making it ideal for repetitive tasks in automated systems.

For aerospace applications, 71906 ACD/P4ATBTD Bearing handles radial and axial loads in components like landing gear mechanisms. The P4A tolerance class guarantees consistent performance even in extreme temperature variations.

Medical imaging devices benefit from 71906 ACD/P4ATBTD Bearing’s low vibration and high-speed capabilities. The chrome steel construction ensures longevity in critical diagnostic equipment.

In electric vehicle motors, 71906 ACD/P4ATBTD Bearing’s lubricated design minimises wear during high-RPM operation. Its metric dimensions make it compatible with compact motor assemblies.

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