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Super Precision Angular Contact Ball Bearings 719/8 CEGA/P4A

Super Precision Angular Contact Ball Bearings 719/8 CEGA/P4A

The 719/8 CEGA/P4A is a super precision angular contact ball bearing with an 8mm bore and 19mm outer diameter, crafted from durable chrome steel. It measures just 6mm wide, making it compact yet robust for its size.

With a 15° contact angle, it handles radial loads up to 392 lbf and spins smoothly at speeds up to 220,000 RPM. The phenolic cage ensures quiet operation and long service life.

Its open design allows easy lubrication, while the P4A tolerance class guarantees high precision. The bearing can be paired in back-to-back, face-to-face, or tandem arrangements for versatile use.

Ideal for high-speed applications like machine tool spindles or precision instruments where accuracy is key. It’s interchangeable with SKF bearings, offering a reliable replacement option. Weighing only 0.007kg, it’s lightweight yet durable.

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Product Parameters

  • Part Number 719/8 CEGA/P4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 8 mm
  • Bore Dia Tolerance -0.004mm to 0
  • Outer Dia 19 mm
  • Outer Dia Tolerance -0.004mm to 0
  • Width 6 mm
  • Width Tolerance -0.2mm to 0
  • Ball Dia 3.175 mm
  • Ball Qty 9
  • 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 392 lbf
  • Static Radial Load 137 lbf
  • Lubrication Lubricated
  • Temperature Range - 30°C to 110 °C
  • Max Speed 220000 rpm
  • Weight 0.007 kg
Super Precision Angular Contact Ball Bearings 719/8 CEGA/P4A dimension drawing
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Features

Performance Features of 719/8 CEGA/P4A Bearing

719/8 CEGA/P4A Bearing is crafted with chrome steel rings and balls, ensuring high precision and durability.
Its 15° contact angle allows for efficient handling of combined radial and axial loads.

The phenolic cage maintains ball alignment, reducing friction and enhancing smooth operation.
With a maximum speed of 220,000 rpm, it is ideal for high-speed applications.

719/8 CEGA/P4A Bearing operates reliably in temperatures ranging from -30°C to 110°C.
Its extra light preload ensures minimal resistance, making it suitable for precision tasks.

The open design simplifies lubrication, while the P4A tolerance class guarantees consistent performance.
Weighing just 0.007 kg, it is lightweight yet robust for its size.

Application

Common Applications of 719/8 CEGA/P4A Bearing
719/8 CEGA/P4A Bearing is widely used in high-speed machine tools, where its precision and angular contact design ensure smooth operation. The phenolic cage reduces friction, making it ideal for applications requiring minimal heat generation.

In robotics, 719/8 CEGA/P4A Bearing supports delicate movements in robotic arms, thanks to its extra light preload and P4A tolerance class. Its compact size fits well in space-constrained designs.

For optical equipment like microscopes, 719/8 CEGA/P4A Bearing’s chrome steel construction provides stability and long service life. The open seal type allows for easy lubrication, ensuring consistent performance over time.

Where Is 719/8 CEGA/P4A Bearing Used?
You’ll often find 719/8 CEGA/P4A Bearing in dental drills, where its high-speed capability and precision are crucial. The 15° contact angle helps manage both radial and axial loads effectively.

In 3D printers, 719/8 CEGA/P4A Bearing ensures accurate positioning of print heads, thanks to its tight tolerances. The lightweight design also contributes to faster, more efficient printing.

Built for Heavy-Duty Use: 719/8 CEGA/P4A Bearing
719/8 CEGA/P4A Bearing handles demanding conditions in small electric motors, such as those in power tools. Its dynamic radial load capacity of 392 lbf makes it reliable for continuous use.

The bearing’s compatibility with universal matching (back-to-back or face-to-face) adds versatility for custom setups. This feature is particularly useful in specialised industrial machinery.

Automotive vs Aerospace: Applications of 719/8 CEGA/P4A Bearing
In automotive applications, 719/8 CEGA/P4A Bearing is used in turbochargers, where its high-speed performance shines. The temperature range of -30°C to 110°C ensures reliability under varying conditions.

For aerospace instruments, 719/8 CEGA/P4A Bearing’s precision is critical in navigation systems. The P4A tolerance class guarantees the accuracy needed for these sensitive applications.

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