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Super Precision Angular Contact Ball Bearings 71908 ACD/P4ATBTA

Super Precision Angular Contact Ball Bearings 71908 ACD/P4ATBTA

The 71908 ACD/P4ATBTA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. It features a 25° contact angle and comes in a set of three matched bearings for extra stability.

This bearing handles radial loads up to 5648 lbf and spins smoothly at speeds up to 41000 RPM. Its phenolic cage ensures quiet operation and long service life, even under high-speed conditions.

The open design allows for easy lubrication, while the P4A tolerance class guarantees precise performance. Ideal for applications like machine tool spindles or high-precision rotary tables.

Weighing just 0.33kg, it’s lightweight yet robust, and operates reliably in temperatures from -30°C to 110°C. A great choice for demanding engineering tasks.

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Product Parameters

  • Part Number 71908 ACD/P4ATBTA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 40 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 62 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 36 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 6.35 mm
  • Ball Qty 21
  • 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 Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 5648 lbf
  • Static Radial Load 5400 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.33 kg
Super Precision Angular Contact Ball Bearings 71908 ACD/P4ATBTA dimension drawing
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Features

Why Choose 71908 ACD/P4ATBTA Bearing for Precision Tasks?

71908 ACD/P4ATBTA Bearing features a 25° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability and consistent performance under dynamic radial loads up to 5648 lbf.

The phenolic cage maintains ball alignment, reducing friction and noise during high-speed operation.
With a maximum speed of 41,000 rpm, it excels in demanding, precision-driven environments.

71908 ACD/P4ATBTA Bearing operates efficiently within a temperature range of -30°C to 110°C.
Its extra light preload (Class A) ensures smooth performance in matched arrangements of three bearings.

The open design allows for easy lubrication, enhancing longevity and reducing maintenance needs.
Its P4A tolerance class guarantees exceptional accuracy for critical applications.

Application

Industrial Uses of 71908 ACD/P4ATBTA Bearing
71908 ACD/P4ATBTA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation.
The phenolic cage reduces friction, making it suitable for high-speed operations in industrial settings.

Where Is 71908 ACD/P4ATBTA Bearing Used?
In automotive applications, 71908 ACD/P4ATBTA Bearing supports gearbox systems, providing smooth performance under radial and axial loads.
Its metric sizing and P4A tolerance class make it a reliable choice for European and Asian vehicle models.

Perfect Fit for Automation: 71908 ACD/P4ATBTA Bearing
For robotic arms and automated systems, 71908 ACD/P4ATBTA Bearing offers stability and precision in repetitive movements.
The extra light preload ensures minimal vibration, enhancing overall system efficiency.

Medical vs Industrial: Where 71908 ACD/P4ATBTA Bearing Excels
In medical imaging devices, 71908 ACD/P4ATBTA Bearing’s chrome steel construction ensures durability and consistent performance.
Its high-speed capability also makes it ideal for industrial equipment like CNC machines.

How Does 71908 ACD/P4ATBTA Bearing Support High-Speed Operations?
71908 ACD/P4ATBTA Bearing’s open design and lubrication allow it to handle speeds up to 41,000 rpm in applications like turbochargers.
The 25° contact angle provides optimal load distribution, reducing wear over time.

Q&A

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