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Super Precision Angular Contact Ball Bearings 71917 ACD/P4ATBTB
Super Precision Angular Contact Ball Bearings 71917 ACD/P4ATBTB

Super Precision Angular Contact Ball Bearings 71917 ACD/P4ATBTB

The 71917 ACD/P4ATBTB is a super precision angular contact ball bearing with an 85mm bore and 120mm outer diameter, crafted from high-quality chrome steel. Its 25° contact angle and matched set of three bearings (arranged > TBT) ensure smooth handling of combined loads.

With a dynamic radial load capacity of 21060 lbf and a max speed of 28000 RPM, it’s built for high-performance applications. The phenolic cage reduces friction, while the open design allows for easy lubrication.

This bearing excels in precision machinery like CNC spindles or high-speed tooling, where accuracy is key. It operates reliably in temperatures from -30°C to 110°C.

Weighing 1.59kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it’s a dependable choice for demanding setups.

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Product Parameters

  • Part Number 71917 ACD/P4ATBTB
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 85 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 54 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 25
  • 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 Light / Class B
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 21060 lbf
  • Static Radial Load 30825 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 28000 rpm
  • Weight 1.59 kg

Features

Performance Features of 71917 ACD/P4ATBTB Bearing

71917 ACD/P4ATBTB Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
Its chrome steel construction ensures durability and resistance to wear under high radial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a dynamic radial load capacity of 21060 lbf, it performs reliably in demanding conditions.

71917 ACD/P4ATBTB Bearing operates at speeds up to 28,000 rpm, balancing speed and stability.
Its matched arrangement of three bearings ensures consistent performance in angular contact applications.

The light preload class B design minimises vibration, making it suitable for high-precision machinery.
Its temperature range of -30°C to 110°C allows for versatile use in various environments.

Application

Industrial Uses of 71917 ACD/P4ATBTB Bearing
71917 ACD/P4ATBTB Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate alignment under radial and axial loads. The phenolic cage reduces friction, making it suitable for high-speed operations.

Where Is 71917 ACD/P4ATBTB Bearing Used?
In automotive applications, 71917 ACD/P4ATBTB Bearing supports gearboxes and wheel hubs, providing stability under heavy loads. Its light preload and matched arrangement enhance performance in demanding conditions.

Perfect Fit for Automation: 71917 ACD/P4ATBTB Bearing
71917 ACD/P4ATBTB Bearing excels in robotic arms and automated systems, where its precision and durability are key. The P4A tolerance class ensures consistent performance in repetitive tasks.

Medical vs Industrial: Where 71917 ACD/P4ATBTB Bearing Excels
In medical imaging devices, 71917 ACD/P4ATBTB Bearing offers reliable performance due to its chrome steel construction. Industrial applications benefit from its high dynamic load capacity and temperature resistance.

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