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Super Precision Angular Contact Ball Bearings 71919 CDGA/P4

Super Precision Angular Contact Ball Bearings 71919 CDGA/P4

The 71919 CDGA/P4 is a super precision angular contact ball bearing with a 280mm bore and 380mm outer diameter, crafted from durable chrome steel. It handles radial loads up to 11115 lbf and operates smoothly at speeds up to 7500 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-precision applications. The phenolic cage ensures quiet operation and long service life, even in temperatures from -30°C to 110°C.

This bearing comes in a matched set of three, allowing flexible arrangements like back-to-back or face-to-face. Ideal for machine tools or spindle systems where precision and reliability are key.

Weighing 0.58kg, it’s lightweight yet robust, and interchangeable with SKF bearings for easy replacement. Compliant with P4 tolerance class for exceptional accuracy.

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Product Parameters

  • Part Number 71919 CDGA/P4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 280 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 380 mm
  • Outer Dia Tolerance -0.004mm 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
  • System of Measurement Metric
  • Seal Type Open
  • Matched Arrangement Available
  • Number Of Bearings In Matched Set 3
  • 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 11115 lbf
  • Static Radial Load 12375 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 7500 rpm
  • Weight 0.58 kg
Super Precision Angular Contact Ball Bearings 71919 CDGA/P4 dimension drawing
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Features

Performance Features of 71919 CDGA/P4 Bearing

71919 CDGA/P4 Bearing is crafted with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction and noise.

With a dynamic radial load capacity of 11115 lbf, it handles demanding conditions efficiently.
The P4 tolerance class guarantees high precision, making it suitable for critical tasks.

71919 CDGA/P4 Bearing operates smoothly at speeds up to 7,500 rpm, maintaining performance in temperatures from -30°C to 110°C.
Its matched arrangement options (back-to-back, face-to-face, or tandem) offer flexibility for various setups.

The open design and lubrication ensure easy maintenance and long service life.
Weighing just 0.58 kg, it balances strength and lightweight construction.

Application

Industrial Uses of 71919 CDGA/P4 Bearing
71919 CDGA/P4 Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. The phenolic cage helps reduce friction, making it suitable for high-speed operations.

In aerospace applications, 71919 CDGA/P4 Bearing supports critical components like turbine shafts, thanks to its extra light preload and P4 tolerance. Its matched arrangement allows for back-to-back or face-to-face configurations, providing flexibility in design.

For automation systems, 71919 CDGA/P4 Bearing is ideal for robotic arms, where its chrome steel construction offers durability. The open seal type allows for easy lubrication, ensuring long-term performance in demanding environments.

Medical imaging devices benefit from 71919 CDGA/P4 Bearing’s precision, as it maintains smooth operation in scanners and diagnostic equipment. The temperature range of -30°C to 110°C ensures reliability in various clinical settings.

Q&A

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