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Super Precision Angular Contact Ball Bearings 7219 CDGB/P4A

Super Precision Angular Contact Ball Bearings 7219 CDGB/P4A

The 7219 CDGB/P4A 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 31050 lbf and operates smoothly at speeds up to 15000 RPM.

With a 15° contact angle and open design, it offers excellent performance in high-speed applications. The phenolic cage ensures durability and reduces friction, while the light preload (Class B) enhances precision.

This bearing is suitable for universal matching in back-to-back, face-to-face, or tandem arrangements. Ideal for machine tools or spindles where accuracy and speed are crucial.

Weighing 2.7kg, it’s robust yet manageable for its size. Compliant with P4A tolerance standards, it ensures reliable performance in temperatures from -30°C to 110°C.

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Product Parameters

  • Part Number 7219 CDGB/P4A
  • 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 32 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 No
  • 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 31050 lbf
  • Static Radial Load 27000 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 15000 rpm
  • Weight 2.7 kg
Super Precision Angular Contact Ball Bearings 7219 CDGB/P4A dimension drawing
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Features

Performance Features of 7219 CDGB/P4A Bearing

7219 CDGB/P4A Bearing is designed with a 15° contact angle, optimising load distribution for angular contact applications.
Its chrome steel rings and balls ensure high durability under dynamic radial loads up to 31050 lbf.

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

7219 CDGB/P4A Bearing operates efficiently in temperatures ranging from -30°C to 110°C.
Its precision P4A tolerance class ensures consistent performance in demanding applications.

Application

Industrial Uses of 7219 CDGB/P4A Bearing
The 7219 CDGB/P4A Bearing is commonly used in high-precision machine tools, where its angular contact design ensures accurate radial and axial load handling. Its phenolic cage provides smooth operation, reducing friction in demanding industrial environments.

In automotive applications, 7219 CDGB/P4A Bearing supports components like wheel hubs and transmissions, thanks to its durable chrome steel construction. The light preload makes it suitable for systems requiring minimal vibration and noise.

For robotics, 7219 CDGB/P4A Bearing excels in articulated arms and joints, where its P4A tolerance class guarantees consistent performance. The open design allows for easy lubrication, extending service life in automated systems.

Medical imaging devices benefit from 7219 CDGB/P4A Bearing’s precision, ensuring smooth rotation in scanners and diagnostic equipment. Its temperature stability also makes it reliable in varied clinical settings.

In consumer electronics, 7219 CDGB/P4A Bearing can be found in high-end printers and turntables, where its balanced design reduces operational noise. The metric sizing ensures compatibility with a wide range of devices.

Q&A

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