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Super Precision Angular Contact Ball Bearings S71904 ACDTP/HCP4B
Super Precision Angular Contact Ball Bearings S71904 ACDTP/HCP4B

Super Precision Angular Contact Ball Bearings S71904 ACDTP/HCP4B

The S71904 ACDTP/HCP4B is a super precision angular contact ball bearing, measuring 20mm by 37mm by 9mm, crafted from high-quality chrome steel and ceramic balls. It handles radial loads up to 1287 lbf and operates smoothly at speeds up to 48,000 RPM.

Its sealed design keeps lubrication in and contaminants out, while the phenolic cage ensures quiet and efficient performance. The 25° contact angle provides excellent stability for angular loads.

This bearing is ideal for high-speed applications like machine tool spindles or precision instruments. Its P4 tolerance class ensures exceptional accuracy and reliability.

Weighing just 0.033kg, it’s lightweight yet durable. Compatible with SKF bearings, it’s a versatile choice for replacements or upgrades. Suitable for temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number S71904 ACDTP/HCP4B
  • 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 Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1287 lbf
  • Static Radial Load 686 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 48000 rpm
  • Weight 0.033 kg
  • Price($) 173.196

Features

Performance Features of S71904 ACDTP/HCP4B Bearing

S71904 ACDTP/HCP4B Bearing is designed with a 25° contact angle, optimising load distribution for angular contact applications.
The ceramic balls reduce friction, enhancing speed capabilities up to 48,000 rpm.

Its chrome steel rings and phenolic cage ensure durability and smooth operation under dynamic radial loads of 1287 lbf.
The sealed design protects against contaminants, extending service life in demanding environments.

With a precision tolerance class of P4 (ABEC-7), S71904 ACDTP/HCP4B Bearing delivers reliable performance for high-speed applications.
The lubricated design minimises maintenance while maintaining efficiency.

The matched arrangement option allows for customised preload settings, ensuring optimal performance.
Its compact size (20 mm×37 mm×9 mm) makes it suitable for space-constrained installations.

Application

Common Applications of S71904 ACDTP/HCP4B Bearing
S71904 ACDTP/HCP4B Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The ceramic balls reduce friction, making it suitable for demanding industrial environments.

In robotics, S71904 ACDTP/HCP4B Bearing supports smooth motion in robotic arms, thanks to its phenolic cage and sealed design. Its P4 tolerance class guarantees reliability in automated systems.

For medical imaging devices, S71904 ACDTP/HCP4B Bearing’s low friction and high-speed capabilities are ideal. The chrome steel rings and ceramic balls provide long-lasting performance in critical applications.

Where Is S71904 ACDTP/HCP4B Bearing Used?
S71904 ACDTP/HCP4B Bearing can be found in aerospace applications, where its lightweight and high-speed performance are essential. The matched arrangement option allows for custom setups in complex machinery.

In electric motors, S71904 ACDTP/HCP4B Bearing’s angular contact design handles both radial and axial loads efficiently. Its lubricated and sealed construction ensures minimal maintenance over time.

Built for Versatility: S71904 ACDTP/HCP4B Bearing
S71904 ACDTP/HCP4B Bearing works well in 3D printers, providing precise movement for print heads. The phenolic cage reduces vibration, enhancing print quality.

For laboratory equipment, S71904 ACDTP/HCP4B Bearing’s high-speed and low-noise characteristics are beneficial. Its ceramic balls and chrome steel rings ensure durability in sensitive environments.

Automotive vs Aerospace: Applications of S71904 ACDTP/HCP4B Bearing
In automotive systems, S71904 ACDTP/HCP4B Bearing is used in high-performance transmissions, where its angular contact design improves efficiency. The sealed construction protects against contaminants.

In aerospace, S71904 ACDTP/HCP4B Bearing’s lightweight and high-speed capabilities are crucial for flight control systems. The P4 tolerance class ensures precision in critical operations.

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