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Super Precision Angular Contact Ball Bearings 7219 CDGA/P4A

Super Precision Angular Contact Ball Bearings 7219 CDGA/P4A

The 7219 CDGA/P4A 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 is designed for angular contact loads, handling up to 31050 lbf dynamically.

Its open design and phenolic cage ensure smooth operation at speeds up to 15000 RPM, while the extra light preload enhances precision. The bearing operates efficiently in temperatures ranging from -30°C to 110°C.

This model is interchangeable with SKF bearings and comes in a universal matching set, suitable for back-to-back, face-to-face, or tandem arrangements. Ideal for high-precision applications like machine tools or spindle drives.

Weighing 2.7kg, it offers a robust yet precise solution for demanding environments. Compliant with P4A tolerance standards, it ensures reliable performance in critical setups.

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Product Parameters

  • Part Number 7219 CDGA/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 Extra light / Class A
  • 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 CDGA/P4A dimension drawing
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Features

Why Choose 7219 CDGA/P4A Bearing for Precision Tasks?

7219 CDGA/P4A Bearing features a 15° contact angle, ideal for high-precision angular contact applications.
Its chrome steel rings and balls ensure durability, while the phenolic cage reduces friction for smoother operation.

With a dynamic radial load capacity of 31050 lbf, it handles demanding tasks with ease.
The P4A tolerance class guarantees exceptional accuracy, making it suitable for precision machinery.

Operating at speeds up to 15,000 rpm, it maintains performance without compromising reliability.
Its universal matching capability allows flexible arrangements like back-to-back or face-to-face setups.

Application

Key Fields for 7219 CDGA/P4A Bearing
The 7219 CDGA/P4A Bearing is widely used in high-precision machine tools, where its angular contact design ensures accurate spindle rotation. Its extra-light preload makes it suitable for applications demanding minimal friction and smooth operation.

In robotics, 7219 CDGA/P4A Bearing supports articulated arms, providing stability during high-speed movements. The phenolic cage reduces weight while maintaining strength, ideal for repetitive tasks.

For aerospace components, 7219 CDGA/P4A Bearing handles radial and axial loads in turbine systems. Its P4A tolerance class guarantees consistent performance under extreme conditions.

Medical imaging devices benefit from 7219 CDGA/P4A Bearing’s low-noise operation and precision. The chrome steel construction ensures durability in sterile environments.

Automotive testing equipment relies on 7219 CDGA/P4A Bearing for its ability to withstand high rotational speeds. The open design allows for easy lubrication, extending service life.

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