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Super Precision Angular Contact Ball Bearings 7219 CD/P4ADGB

Super Precision Angular Contact Ball Bearings 7219 CD/P4ADGB

The 7219 CD/P4ADGB is a super precision angular contact ball bearing with a 95mm bore and 170mm outer diameter, crafted from high-quality chrome steel. It features a 15° contact angle and comes in a universal matching set of two bearings.

This model handles dynamic radial loads up to 50625 lbf and spins smoothly at speeds up to 15000 RPM. Its phenolic cage ensures durability, while the open design allows for easy lubrication.

The bearing is designed for universal mounting, supporting back-to-back, face-to-face, or tandem arrangements. Its light preload (Class B) ensures smooth operation under angular contact loads.

Ideal for high-precision applications like machine tool spindles or industrial pumps. With a temperature range of -30°C to 110°C, it’s reliable in various environments. Weighing 5.4kg, it’s robust yet manageable for its size.

Interchangeable with SKF bearings, it’s a practical choice for replacements or upgrades. The P4A tolerance class guarantees exceptional precision for demanding tasks.

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Product Parameters

  • Part Number 7219 CD/P4ADGB
  • 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 Light / Class B
  • 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/P4ADGB dimension drawing
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Features

Performance Features of 7219 CD/P4ADGB Bearing

7219 CD/P4ADGB Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high strength and durability under dynamic radial loads up to 50625 lbf.

The phenolic cage maintains ball alignment, reducing friction and enhancing operational smoothness.
With a maximum speed of 15,000 rpm, it delivers reliable performance in high-speed scenarios.

7219 CD/P4ADGB Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its universal matching design allows flexible arrangement options, including back-to-back or face-to-face configurations.

The precision P4A tolerance class ensures consistent performance in demanding applications.
Lubrication is pre-applied, simplifying initial setup and reducing maintenance needs.

Application

Industrial Uses of 7219 CD/P4ADGB Bearing
In precision machine tools, 7219 CD/P4ADGB Bearing excels due to its 15° contact angle and P4A tolerance class, ensuring minimal vibration during high-speed operations. The universal matching design allows flexible arrangements like back-to-back or face-to-face mounting.

Where Is 7219 CD/P4ADGB Bearing Used?
You’ll often spot 7219 CD/P4ADGB Bearing in automotive transmissions, where its light preload and phenolic cage reduce friction under radial loads. Its chrome steel construction handles the demanding conditions of gear shifts smoothly.

Optimized for Performance: 7219 CD/P4ADGB Bearing
For robotics arms, 7219 CD/P4ADGB Bearing’s matched set configuration provides stability in repetitive movements. The open seal design simplifies relubrication, extending service life in automated production lines.

Medical vs Industrial: Where 7219 CD/P4ADGB Bearing Excels
In medical imaging devices, 7219 CD/P4ADGB Bearing’s precision ensures quiet operation, while industrial pumps benefit from its 15-ball design for consistent load distribution. Both applications value its temperature resilience (-30°C to 110°C).

Essential Roles of 7219 CD/P4ADGB Bearing
Aerospace actuators rely on 7219 CD/P4ADGB Bearing for its dynamic radial load capacity (50,625 lbf) and tandem mounting options. The phenolic cage resists wear even at 15,000 rpm, critical for flight control systems.

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