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Super Precision Angular Contact Ball Bearings S71904 ACDTP/P4B
Super Precision Angular Contact Ball Bearings S71904 ACDTP/P4B

Super Precision Angular Contact Ball Bearings S71904 ACDTP/P4B

The S71904 ACDTP/P4B is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, crafted from durable chrome steel. Its compact 9mm width makes it suitable for tight spaces while maintaining high performance.

Designed for angular contact loads, it handles radial loads up to 1287 lbf and spins smoothly at speeds up to 40,000 RPM. The sealed design keeps lubrication in place, reducing maintenance needs.

With a 25° contact angle and phenolic cage, it offers stable operation and long service life. The P4 tolerance class ensures exceptional precision for demanding applications.

Ideal for high-speed machinery like spindles or robotics, where accuracy and reliability are crucial. It operates in temperatures from -30°C to 110°C and weighs just 0.037kg, making it lightweight yet robust.

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Product Parameters

  • Part Number S71904 ACDTP/P4B
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.005mm to 0
  • Outer Dia 37 mm
  • Outer Dia Tolerance -0.006mm to 0
  • Width 9 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 4.762 mm
  • Ball Qty 15
  • Contact Angle 25°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1287 lbf
  • Static Radial Load 686 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 40000 rpm
  • Weight 0.037 kg
  • Price($) 173.367

Features

Why Choose S71904 ACDTP/P4B Bearing for Precision Tasks?

S71904 ACDTP/P4B Bearing features a 25° contact angle, ideal for handling combined radial and axial loads with high precision.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 1287 lbf, it performs reliably in demanding applications.
The P4 tolerance class guarantees exceptional accuracy, making it suitable for high-speed operations up to 40,000 rpm.

Sealed design and preload availability enhance performance in various conditions.
Its compact size (20 mm×37 mm×9 mm) allows for easy integration into precision machinery.

Application

Key Fields for S71904 ACDTP/P4B Bearing
S71904 ACDTP/P4B Bearing is commonly used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The sealed construction helps maintain lubrication, reducing wear in demanding industrial environments.

How Does S71904 ACDTP/P4B Bearing Improve Performance?
In robotics, S71904 ACDTP/P4B Bearing enhances motion control in articulated arms, thanks to its 25° contact angle and P4 tolerance. Its phenolic cage minimises friction, making it ideal for repetitive, high-precision movements.

Built for Heavy-Duty Use: S71904 ACDTP/P4B Bearing
S71904 ACDTP/P4B Bearing supports axial and radial loads in automotive transmissions, where its chrome steel rings withstand constant stress. The matched arrangement option also improves load distribution in paired installations.

Medical vs Industrial: Where S71904 ACDTP/P4B Bearing Excels
For medical imaging devices, S71904 ACDTP/P4B Bearing offers quiet operation and minimal vibration, critical for clear diagnostics. In industrial pumps, its high-speed capability (40,000 rpm) ensures reliable fluid handling.

Practical Applications of S71904 ACDTP/P4B Bearing
S71904 ACDTP/P4B Bearing works well in 3D printers, providing smooth linear motion for print heads. The preload option allows fine-tuning to eliminate play in sensitive automation systems.

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