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Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADBA

Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADBA

The S71908 ACD/P4ADBA is a super precision angular contact ball bearing with a 40mm bore and 62mm outer diameter, crafted from durable chrome steel. Its 25° contact angle and sealed design ensure smooth operation under angular loads.

This matched set of two bearings comes with an extra-light preload, ideal for high-speed applications up to 41,000 RPM. The phenolic cage and grease lubrication help reduce friction and extend service life.

With a dynamic radial load capacity of 4275 lbf, it handles demanding conditions while maintaining precision. The P4A tolerance class guarantees consistent performance in tight tolerance applications.

Perfect for machine tool spindles or high-precision equipment where accuracy and speed matter. Works reliably in temperatures from -30°C to 110°C and weighs just 0.23kg per bearing.

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Product Parameters

  • Part Number S71908 ACD/P4ADBA
  • 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 24 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 Sealed
  • Matched Arrangement 2 bearings <> DB
  • Number Of Bearings In Matched Set 2
  • 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 4275 lbf
  • Static Radial Load 3600 lbf
  • Lubrication Grease
  • Temperature Range - 30°C to 110 °C
  • Max Speed 41000 rpm
  • Weight 0.23 kg
Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADBA dimension drawing
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Features

Performance Features of S71908 ACD/P4ADBA Bearing

S71908 ACD/P4ADBA Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The chrome steel rings and balls enhance durability, supporting dynamic radial loads up to 4275 lbf.

Its sealed design and grease lubrication ensure smooth operation, even at high speeds of 41,000 rpm.
The phenolic cage maintains ball alignment, reducing friction and extending service life.

S71908 ACD/P4ADBA Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
The extra light preload (Class A) ensures precision performance in demanding conditions.

With a matched arrangement of 2 bearings (DB), it provides balanced load handling.
The P4A tolerance class guarantees high precision for critical applications.

Application

Industrial Uses of S71908 ACD/P4ADBA Bearing
S71908 ACD/P4ADBA Bearing is commonly used in high-speed machine tools, where its sealed design and phenolic cage help maintain precision under heavy loads. The matched arrangement ensures stability in demanding industrial environments.

Where Is S71908 ACD/P4ADBA Bearing Used?
In automotive applications, S71908 ACD/P4ADBA Bearing supports components like electric motors and transmissions, thanks to its angular contact design. The grease lubrication ensures smooth operation even at high speeds.

Perfect Fit for Automation: S71908 ACD/P4ADBA Bearing
S71908 ACD/P4ADBA Bearing excels in robotic arms and automated systems, where its extra light preload reduces friction. The chrome steel construction provides durability for continuous operation.

Medical vs Industrial: Where S71908 ACD/P4ADBA Bearing Excels
For medical imaging devices, S71908 ACD/P4ADBA Bearing offers reliable performance with its P4A tolerance class. In industrial settings, it handles radial loads efficiently, making it versatile across sectors.

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