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Super Precision Angular Contact Ball Bearings 719/8 CEGA/HCP4A

Super Precision Angular Contact Ball Bearings 719/8 CEGA/HCP4A

The 719/8 CEGA/HCP4A is a super precision angular contact ball bearing with an 8mm bore and 19mm outer diameter, measuring just 6mm wide. Made from chrome steel with ceramic balls, it offers smooth operation and durability.

It handles dynamic radial loads up to 392 lbf and spins at speeds up to 220,000 RPM, making it ideal for high-speed applications. The phenolic cage ensures stability and reduces friction.

With a 15° contact angle and extra light preload, it provides precise performance in demanding setups. The open design allows for easy lubrication and maintenance.

This bearing is suitable for applications like machine tool spindles or high-speed motors. It comes in matched sets of two, offering flexibility for back-to-back, face-to-face, or tandem arrangements. Compliant with P4A tolerance standards for reliable accuracy.

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Product Parameters

  • Part Number 719/8 CEGA/HCP4A
  • 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 Ceramic
  • 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 0.006 kg
Super Precision Angular Contact Ball Bearings 719/8 CEGA/HCP4A dimension drawing
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Features

Performance Features of 719/8 CEGA/HCP4A Bearing

719/8 CEGA/HCP4A Bearing features a 15° contact angle, optimised for precision angular contact applications.
Its chrome steel rings and ceramic balls ensure smooth operation with minimal friction.

The phenolic cage maintains ball alignment, enhancing durability and reducing wear.
With a dynamic radial load capacity of 392 lbf, it handles demanding tasks efficiently.

719/8 CEGA/HCP4A Bearing operates at speeds up to 220,000 rpm, suitable for high-performance machinery.
Its extra light preload ensures consistent performance in precision settings.

The open design allows easy lubrication, extending service life.
Its compact size (8 mm×19 mm×6 mm) makes it ideal for space-constrained applications.

Application

Where Is 719/8 CEGA/HCP4A Bearing Used?
719/8 CEGA/HCP4A Bearing is commonly used in high-speed machine tools, where its ceramic balls and phenolic cage reduce friction and heat buildup. The extra light preload ensures smooth operation in precision applications.

In robotics, 719/8 CEGA/HCP4A Bearing supports delicate movements in robotic arms, thanks to its angular contact design. The P4A tolerance class guarantees consistent performance in automated systems.

For dental handpieces, 719/8 CEGA/HCP4A Bearing’s chrome steel rings provide durability under frequent use. Its compact size and high-speed capability make it ideal for medical instruments requiring reliability.

In optical equipment, 719/8 CEGA/HCP4A Bearing helps maintain alignment in lenses and mirrors. The ceramic balls minimise vibration, ensuring clear and stable imaging.

For small electric motors, 719/8 CEGA/HCP4A Bearing offers efficient performance with minimal energy loss. The lubricated design extends its lifespan in continuous operation.

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