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Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCA

Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCA

The 71908 ACD/P4AQBCA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from high-quality chrome steel. It features a 25° contact angle and comes in a matched set of four bearings for balanced performance.

This bearing handles radial loads up to 6908 lbf and operates smoothly at speeds up to 41,000 RPM. Its extra-light preload ensures minimal friction, making it ideal for high-precision applications.

The open design allows for easy lubrication, while the phenolic cage enhances durability. It performs reliably in temperatures ranging from -30°C to 110°C.

Perfect for machine tools or spindle applications where precision and speed are crucial. Weighing 0.44kg, it’s a robust yet lightweight solution for demanding environments.

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Product Parameters

  • Part Number 71908 ACD/P4AQBCA
  • 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 48 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 4 bearings <<>> QBC
  • Number Of Bearings In Matched Set 4
  • 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 6908 lbf
  • Static Radial Load 7200 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.44 kg
Super Precision Angular Contact Ball Bearings 71908 ACD/P4AQBCA dimension drawing
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Features

How Does 71908 ACD/P4AQBCA Bearing Achieve Super Precision?

71908 ACD/P4AQBCA Bearing features a 25° contact angle, optimising load distribution for high-precision applications.
Its P4A tolerance class ensures minimal deviation, making it suitable for exacting tasks.

The phenolic cage in 71908 ACD/P4AQBCA Bearing reduces friction and noise, enhancing smooth operation.
With a maximum speed of 41,000 rpm, it maintains performance even at high velocities.

71908 ACD/P4AQBCA Bearing’s chrome steel construction provides durability under dynamic radial loads up to 6908 lbf.
Its matched arrangement of four bearings ensures consistent performance in complex setups.

The extra light preload design of 71908 ACD/P4AQBCA Bearing minimises friction while maintaining precision.
It operates reliably within a temperature range of -30°C to 110°C, adapting to various environments.

Application

How Does 71908 ACD/P4AQBCA Bearing Improve Performance?
71908 ACD/P4AQBCA Bearing is widely used in high-precision machine tools, where its 25° contact angle ensures accurate spindle rotation. The matched set of four bearings provides extra stability for demanding operations.

In robotics, 71908 ACD/P4AQBCA Bearing supports articulated arms, offering smooth movement thanks to its phenolic cage and chrome steel construction. Its extra light preload reduces friction, enhancing efficiency.

For aerospace applications, 71908 ACD/P4AQBCA Bearing handles radial and axial loads in components like landing gear systems. The P4A tolerance class guarantees consistent performance under extreme conditions.

Where Is 71908 ACD/P4AQBCA Bearing Used?
71908 ACD/P4AQBCA Bearing fits well in medical imaging devices, where quiet operation and precision are essential. Its open design allows for easy lubrication, extending service life.

In automotive transmissions, 71908 ACD/P4AQBCA Bearing ensures smooth gear shifts with its high-speed capability. The metric dimensions make it compatible with various European and Asian models.

Built for Heavy-Duty Use: 71908 ACD/P4AQBCA Bearing
71908 ACD/P4AQBCA Bearing excels in industrial pumps, handling both radial and axial loads effortlessly. The chrome steel rings and balls provide long-lasting durability.

For automation systems, 71908 ACD/P4AQBCA Bearing’s low friction design improves energy efficiency. Its phenolic cage reduces wear, making it ideal for continuous operation.

Light-Duty vs Heavy-Duty: Best Uses for 71908 ACD/P4AQBCA Bearing
In light-duty applications like dental drills, 71908 ACD/P4AQBCA Bearing offers precision and quiet performance. The lubricated design ensures minimal maintenance.

For heavy-duty uses such as construction equipment, 71908 ACD/P4AQBCA Bearing withstands high loads and harsh environments. Its matched set configuration enhances reliability.

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