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Super Precision Angular Contact Ball Bearings 71919 CD/HCP4A

Super Precision Angular Contact Ball Bearings 71919 CD/HCP4A

The 71919 CD/HCP4A 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 is designed for high-speed operations up to 18,000 RPM.

Its ceramic balls and phenolic cage reduce friction, enhancing performance under dynamic radial loads up to 11115 lbf. The open design allows for easy lubrication, ensuring smooth operation in temperatures from -30°C to 110°C.

This bearing is interchangeable with SKF models and comes in a P4 tolerance class for exceptional accuracy. Ideal for precision machinery like spindles or CNC equipment where reliability and speed are crucial.

Weighing just 0.5kg, it’s a lightweight yet robust choice for demanding applications. Available in matched arrangements for added versatility.

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Product Parameters

  • Part Number 71919 CD/HCP4A
  • 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 Open
  • Matched Arrangement Available
  • Preload Available
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Ceramic
  • Cage Material Phenolic
  • Dynamic Radial Load 11115 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range -30° to 110 °C
  • Max Speed 18000 rpm
  • Weight 0.5 kg
  • Price（$） 111.834
Super Precision Angular Contact Ball Bearings 71919 CD/HCP4A dimension drawing
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Features

How Is 71919 CD/HCP4A Bearing Engineered for Reliability?

71919 CD/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls enhance durability while reducing friction.

The phenolic cage maintains ball alignment, ensuring smooth operation even at high speeds.
With a dynamic radial load capacity of 11115 lbf, it handles demanding conditions reliably.

Precision-matched arrangements and preload options further improve performance.
Its P4 tolerance class guarantees consistent accuracy in critical applications.

Application

Common Applications of 71919 CD/HCP4A Bearing
71919 CD/HCP4A Bearing is widely used in high-precision machine tools, where its 15° contact angle ensures accurate rotational performance. The ceramic balls reduce friction, making it ideal for high-speed spindle applications.

In robotics, 71919 CD/HCP4A Bearing provides smooth motion control for articulated arms and joints. Its phenolic cage offers lightweight durability, perfect for repetitive movements in automated systems.

For aerospace components, 71919 CD/HCP4A Bearing handles both radial and axial loads in navigation systems. The P4 tolerance class guarantees reliability in critical flight conditions.

Medical imaging devices benefit from 71919 CD/HCP4A Bearing’s low vibration and noise levels. The chrome steel rings ensure long-term stability in sensitive diagnostic equipment.

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