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Super Precision Angular Contact Ball Bearings 7219 CD/P4ADGA

Super Precision Angular Contact Ball Bearings 7219 CD/P4ADGA

The 7219 CD/P4ADGA is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, crafted from high-quality chrome steel. It handles radial loads up to 50625 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and universal matching design, it offers flexibility for back-to-back, face-to-face, or tandem arrangements. The phenolic cage ensures durability and reduced friction during high-speed rotations.

This bearing comes pre-lubricated and works efficiently in temperatures from -30°C to 110°C. Its P4A tolerance class guarantees exceptional precision for demanding applications.

Ideal for machine tools or high-precision equipment, this matched set of two bearings ensures reliable performance. Weighing 5.4kg, it’s robust yet manageable for industrial use.

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Product Parameters

  • Part Number 7219 CD/P4ADGA
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 95 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 170 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 64 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 23.812 mm
  • Ball Qty 15
  • Contact Angle 15°
  • Tolerance Class P4A
  • 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 50625 lbf
  • Static Radial Load 54000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 5.4 kg
  • Price（$） 814.122
Super Precision Angular Contact Ball Bearings 7219 CD/P4ADGA dimension drawing
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Features

Performance Features of 7219 CD/P4ADGA Bearing

7219 CD/P4ADGA Bearing is crafted with chrome steel rings and balls, offering high resistance to radial and angular loads.
Its dynamic radial load capacity of 50625 lbf ensures robust performance in precision applications.

The phenolic cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 15,000 rpm, it delivers efficient operation for high-speed machinery.

Designed for universal matching, 7219 CD/P4ADGA Bearing supports various configurations like back-to-back or face-to-face.
Its extra light preload ensures smooth operation and minimal energy loss.

The open seal design allows easy lubrication, extending the bearing’s service life.
Operating between -30°C to 110°C, it performs reliably in diverse temperature conditions.

Application

Key Fields for 7219 CD/P4ADGA Bearing
In machine tools, 7219 CD/P4ADGA Bearing ensures high precision during operations like grinding and milling, thanks to its angular contact design. The universal matching feature allows flexible arrangement to suit different load requirements.

Where Is 7219 CD/P4ADGA Bearing Used?
You’ll often find 7219 CD/P4ADGA Bearing in automotive transmissions, where its extra-light preload reduces friction and improves efficiency. The phenolic cage also helps maintain stability at high speeds.

Built for Heavy-Duty Use: 7219 CD/P4ADGA Bearing
This bearing excels in industrial pumps, handling both radial and axial loads with ease. Its chrome steel construction ensures long-lasting performance even in demanding environments.

Automotive vs Aerospace: Applications of 7219 CD/P4ADGA Bearing
In automotive systems, 7219 CD/P4ADGA Bearing supports smooth gear shifts, while in aerospace, it’s trusted for its reliability in flight control mechanisms. The P4A tolerance class guarantees consistent precision.

Practical Applications of 7219 CD/P4ADGA Bearing
For robotics, 7219 CD/P4ADGA Bearing offers the accuracy needed for precise movements in robotic arms. Its lubricated design ensures minimal maintenance, making it ideal for automated systems.

Q&A

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