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Super Precision Angular Contact Ball Bearings S71919 CD/P4A

Super Precision Angular Contact Ball Bearings S71919 CD/P4A

The S71919 CD/P4A is a super precision angular contact ball bearing with a 95mm bore and 130mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes sealed for protection, with matched arrangement and preload options available.

This bearing handles dynamic radial loads up to 11115 lbf and static radial loads up to 12375 lbf, spinning smoothly at speeds up to 9500 RPM. Its phenolic cage ensures durability and quiet operation.

Designed for precision applications, it works well in temperatures from -30°C to 110°C. The P4 tolerance class (ABEC-7) guarantees high accuracy, making it ideal for machine tools or high-speed spindles.

Weighing 0.6kg, it’s a robust yet manageable size. Interchangeable with SKF bearings, it’s a reliable choice for replacements or upgrades in demanding environments.

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Product Parameters

  • Part Number S71919 CD/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.008mm to 0
  • Outer Dia 130 mm
  • Outer Dia Tolerance -0.009mm to 0
  • Width 18 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 11.112 mm
  • Ball Qty 28
  • Contact Angle 15°
  • 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 11115 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 9500 rpm
  • Weight 0.6 kg
  • Price（$） 137.394
Super Precision Angular Contact Ball Bearings S71919 CD/P4A dimension drawing
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Features

How Does S71919 CD/P4A Bearing Ensure Precision in High-Speed Applications?

S71919 CD/P4A Bearing features a 15° contact angle, optimising load distribution for smooth angular contact operation.
Its chrome steel construction enhances durability while maintaining precision under dynamic radial loads up to 11115 lbf.

The phenolic cage minimises friction and noise, ideal for high-speed applications reaching 9,500 rpm.
Precision-matched components and P4 tolerance class ensure consistent performance in demanding conditions.

Sealed design protects against contaminants, extending service life in harsh environments.
With a temperature range of -30° to 110°C, it remains reliable across various operating conditions.

Easy to install and maintain, S71919 CD/P4A Bearing reduces downtime and operational costs.
Its lubricated design further enhances longevity, making it a practical choice for precision machinery.

Application

Super Precision Angular Contact Ball Bearings S71919 CD/P4A is commonly used in high-speed machine tools, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in demanding workshop conditions.

In robotics, S71919 CD/P4A provides smooth motion control for articulated arms, thanks to its phenolic cage reducing friction at high RPMs. Its P4 tolerance class makes it ideal for precision automation tasks requiring minimal vibration.

For medical imaging equipment like CT scanners, S71919 CD/P4A’s chrome steel construction delivers reliable performance under constant rotational stress. The lubricated design ensures quiet operation, critical in sensitive diagnostic environments.

In aerospace applications, S71919 CD/P4A handles combined loads in auxiliary systems, where its matched arrangement options simplify installation. The 9,500 RPM rating suits turbine-adjacent components needing consistent performance.

Consumer-grade CNC machines benefit from S71919 CD/P4A’s balance of precision and durability during prolonged milling operations. The metric dimensions allow easy integration with European-designed spindle units.

Q&A

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