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Super Precision Angular Contact Ball Bearings S71904 CD/HCP4A
Super Precision Angular Contact Ball Bearings S71904 CD/HCP4A

Super Precision Angular Contact Ball Bearings S71904 CD/HCP4A

The S71904 CD/HCP4A is a super precision angular contact ball bearing with a 20mm bore and 37mm outer diameter, measuring just 9mm wide. Made from chrome steel and ceramic balls, it offers excellent durability and smooth operation.

This bearing handles radial loads up to 1361 lbf and can reach speeds of 53,000 RPM, making it suitable for high-performance applications. Its 15° contact angle ensures stable operation under angular loads.

The sealed design keeps lubrication in and contaminants out, while the phenolic cage reduces friction. It operates in temperatures from -30°C to 110°C and meets P4 precision standards.

Ideal for precision machinery like spindles or high-speed tools, this lightweight bearing weighs only 0.033kg. It’s interchangeable with SKF bearings for easy replacement.

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Product Parameters

  • Part Number S71904 CD/HCP4A
  • 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 15°
  • Tolerance Class P4 (ABEC-7)
  • System of Measurement Metric
  • Seal Type Sealed
  • Matched Arrangement No
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 1361 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 53000 rpm
  • Weight 0.033 kg
  • Price($) 173.196

Features

Why Choose S71904 CD/HCP4A Bearing for Precision Tasks?

S71904 CD/HCP4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.

Its ceramic balls and chrome steel rings ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and performance.

With a maximum speed of 53,000 rpm, it excels in high-speed environments while maintaining precision.

Application

Key Fields for S71904 CD/HCP4A Bearing
S71904 CD/HCP4A Bearing is widely used in high-speed machine tools, where its precision angular contact design ensures accurate spindle rotation. The ceramic balls reduce friction, making it suitable for prolonged operations.

In robotics, S71904 CD/HCP4A Bearing enhances the performance of articulated arms, providing smooth movement under angular loads. Its sealed design helps keep contaminants out, extending service life in demanding environments.

For medical imaging devices, S71904 CD/HCP4A Bearing offers reliable performance due to its phenolic cage and chrome steel rings. The P4 tolerance class ensures minimal vibration, crucial for sensitive diagnostic equipment.

In aerospace applications, S71904 CD/HCP4A Bearing supports components like gyroscopes, where high-speed stability is essential. The preload availability allows for fine-tuning to meet specific operational requirements.

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