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Super Precision Angular Contact Ball Bearings 71819 CD/P4DGA

Super Precision Angular Contact Ball Bearings 71819 CD/P4DGA

The 71819 CD/P4DGA is a super precision angular contact ball bearing with a 95mm bore and 120mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 8055 lbf and spins smoothly at speeds up to 15,000 RPM.

Its 15° contact angle and universal matching design allow flexible arrangements like back-to-back or face-to-face. The phenolic cage ensures quiet operation and long service life.

This bearing is preloaded for extra light performance, ideal for high-precision applications. It works well in temperatures from -30°C to 110°C and comes as a matched set of two.

Perfect for machine tools or spindles where accuracy and speed are key. Weighing 0.58kg, it’s robust yet manageable for its size. Compliant with P4 tolerance standards for reliable performance.

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Product Parameters

  • Part Number 71819 CD/P4DGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 120 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 26 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 7.144 mm
  • Ball Qty 32
  • Contact Angle 15°
  • Tolerance Class P4
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Universal matching
  • Number Of Bearings In Matched Set 2
  • Universal Matching Bearing Yes, back-to-back (<>), face-to-face (><) or tandem (>>)
  • Preload Extra light / Class A
  • For Load Direction Angular Contact
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Phenolic
  • Dynamic Radial Load 8055 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 0.58 kg
Super Precision Angular Contact Ball Bearings 71819 CD/P4DGA dimension drawing
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Features

Performance Features of 71819 CD/P4DGA Bearing

71819 CD/P4DGA Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls provide strong resistance to radial and thrust loads, ensuring reliable operation.

The phenolic cage maintains ball alignment, reducing friction and wear even at high speeds up to 15,000 rpm.

With universal matching capability, it supports various configurations like back-to-back or face-to-face arrangements.

How Does 71819 CD/P4DGA Bearing Reduce Friction?

71819 CD/P4DGA Bearing’s precision-ground raceways and 32 high-quality chrome steel balls minimise friction during operation.
The phenolic cage further enhances smooth movement, making it ideal for high-speed applications.

Its extra light preload (Class A) ensures consistent performance without excessive resistance.

Lubrication is evenly distributed, reducing maintenance needs and extending service life.

Engineered for Precision: 71819 CD/P4DGA Bearing

71819 CD/P4DGA Bearing meets P4 tolerance standards, delivering exceptional accuracy for super precision tasks.
Its matched arrangement allows for universal pairing, adapting to different mounting requirements.

The bearing handles dynamic radial loads up to 8055 lbf while maintaining smooth operation.

With a temperature range of -30°C to 110°C, it performs reliably in varying conditions.

Application

Industrial Uses of 71819 CD/P4DGA Bearing
71819 CD/P4DGA Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The universal matching feature allows for flexible arrangements, making it suitable for complex setups.

In aerospace applications, 71819 CD/P4DGA Bearing supports components like turbine shafts, thanks to its extra light preload and high-speed capability. The phenolic cage provides stability under varying temperatures and loads.

For automation systems, 71819 CD/P4DGA Bearing excels in robotic arms and CNC machines, where its P4 tolerance class guarantees consistent performance. The chrome steel construction ensures durability in continuous operation.

Medical imaging devices benefit from 71819 CD/P4DGA Bearing’s smooth operation and low friction. Its open design allows for easy lubrication, maintaining precision in critical applications.

In electric motors, 71819 CD/P4DGA Bearing handles radial and axial loads efficiently, ensuring quiet and reliable performance. The matched set configuration simplifies installation and maintenance.

Q&A

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