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Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADT

Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADT

The S71908 ACD/P4ADT is a super precision angular contact ball bearing, measuring 40mm by 62mm by 24mm. Made from chrome steel with a phenolic cage, it offers high durability and smooth operation.

With a 25° contact angle and sealed design, it handles both radial and angular loads efficiently. It can manage speeds up to 41,000 RPM and works in temperatures from -30°C to 110°C.

This bearing comes as a matched pair (DT arrangement) with preload, ensuring stable performance in demanding applications. The grease lubrication makes maintenance straightforward.

Ideal for precision machinery like spindles or CNC equipment, where accuracy and reliability are key. Weighing 0.23kg, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number S71908 ACD/P4ADT
  • 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 << DT
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing No
  • Preload Available
  • 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/P4ADT dimension drawing
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Features

Performance Features of S71908 ACD/P4ADT Bearing

S71908 ACD/P4ADT Bearing is designed with a 25° contact angle, optimising load distribution for precision applications.
The chrome steel rings and balls enhance durability, while the phenolic cage ensures smooth operation at high speeds.

With a dynamic radial load capacity of 4275 lbf, it handles demanding conditions reliably.
Its matched arrangement of two bearings provides stability, making it suitable for high-precision machinery.

The sealed design and grease lubrication reduce maintenance needs, extending service life.
Operating at speeds up to 41,000 rpm, it balances performance and efficiency in various environments.

S71908 ACD/P4ADT Bearing works within a temperature range of -30°C to 110°C, ensuring versatility.
Its P4A tolerance class guarantees consistent accuracy, ideal for critical applications.

Application

Super Precision Angular Contact Ball Bearings S71908 ACD/P4ADT are commonly used in high-speed machine tools, where their 25° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding environments.

In robotics, S71908 ACD/P4ADT Bearings provide smooth motion control for articulated arms, thanks to their matched arrangement and preload capability. The phenolic cage reduces friction, making them ideal for repetitive, precision movements.

For medical imaging devices like CT scanners, S71908 ACD/P4ADT Bearings offer reliable performance with minimal vibration. Their P4A tolerance class ensures consistent operation, critical for maintaining image quality during prolonged use.

In automotive applications, these bearings support high-speed spindle systems in electric vehicle motors. The grease lubrication and temperature range make them suitable for both cold starts and sustained high-speed operation.

Consumer electronics like high-end printers benefit from S71908 ACD/P4ADT Bearings’ quiet operation and durability. The chrome steel construction handles frequent start-stop cycles without compromising performance.

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