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Super Precision Angular Contact Ball Bearings S71904 CD/P4A
Super Precision Angular Contact Ball Bearings S71904 CD/P4A

Super Precision Angular Contact Ball Bearings S71904 CD/P4A

The S71904 CD/P4A is a super precision angular contact ball bearing, measuring 20mm by 37mm by 9mm, crafted from high-quality chrome steel. It features a 15° contact angle and comes pre-lubricated for smooth operation.

This bearing handles dynamic radial loads up to 1361 lbf and can reach impressive speeds of 45,000 RPM. Its phenolic cage ensures quiet performance and durability under demanding conditions.

The sealed design keeps contaminants out while maintaining lubrication. With ABEC-7 precision (P4 tolerance class), it offers exceptional accuracy for sensitive applications.

Ideal for high-speed machinery like spindles or dental equipment where precision is crucial. Weighing just 37 grams, it’s lightweight yet robust for its compact size.

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Product Parameters

  • Part Number S71904 CD/P4A
  • 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 Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 1361 lbf
  • Static Radial Load 720 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 45000 rpm
  • Weight 0.037 kg
  • Price($) 173.241

Features

Why Choose S71904 CD/P4A Bearing for Precision Tasks?

S71904 CD/P4A Bearing features a 15° contact angle, optimised for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 1361 lbf, it handles demanding tasks reliably.
The P4 tolerance class guarantees exceptional precision, making it suitable for high-speed applications up to 45,000 rpm.

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

Application

Common Applications of S71904 CD/P4A Bearing
S71904 CD/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure accurate performance. The sealed construction helps maintain lubrication, reducing maintenance needs in demanding environments.

In robotics, S71904 CD/P4A Bearing supports smooth movement in articulated arms, thanks to its low friction and high-speed capabilities. Its phenolic cage also provides stability during rapid directional changes.

For medical imaging devices, S71904 CD/P4A Bearing’s P4 tolerance class ensures minimal vibration, crucial for clear diagnostic results. The chrome steel construction adds durability in sterilisation processes.

In automotive electric motors, S71904 CD/P4A Bearing handles both radial and axial loads efficiently. Its compact size makes it ideal for space-constrained applications like turbochargers.

Consumer electronics like high-end printers benefit from S71904 CD/P4A Bearing’s quiet operation and long service life. The lubricated design ensures consistent performance over time.

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