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Miniature Angular Contact Ball Bearings 724C
Miniature Angular Contact Ball Bearings 724C

Miniature Angular Contact Ball Bearings 724C

The 724C is a compact angular contact ball bearing measuring 4mm by 13mm by 5mm, available in both sealed and open versions. It handles radial loads up to 298.98 lbf and spins smoothly at speeds up to 93,000 RPM with oil lubrication.

With a 15° contact angle and universal matching, it offers precise alignment and reduced friction. The bearing comes preloaded for better stability and is made from durable steel or ceramic balls with a nylon or phenolic cage.

Its small size and high-speed capability make it ideal for precision instruments like dental tools or small motors. The sealed option keeps dirt out, while the open design allows easy relubrication.

Weighing just 0.0032kg, it’s lightweight yet robust for demanding applications. Compliant with ABEC-5 and ABEC-16 standards for reliable performance.

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Product Parameters

  • Part Number 724C
  • Brand TFL
  • Bore Dia 4 mm
  • Outer Dia 13 mm
  • Width 5 mm
  • System of Measurement Metric
  • Contact Angle 15°
  • Seal Type Sealed,Open
  • Matched Arrangement Universal matching
  • Preload Available
  • For Load Direction Angular Contact
  • Ball Material Steel,Ceramic
  • Cage Material Nylon,Phenolic
  • Lubrication Lubricated
  • ABEC Rating P5(ABEC-5),P4(ABEC-16)
  • Dynamic Radial Load 298.98 lbf
  • Static Radial Load 114.64 lbf
  • Grease Limited speed (r/min) 88000
  • Oil Limited speed (r/min) 93000
  • Weight 0.0032 kg

Features

Why Choose 724C Bearing for Precision Tasks?

724C Bearing features a 15° contact angle, ideal for handling combined radial and axial loads with precision.
Its universal matching design allows for flexible arrangements, ensuring smooth operation in various configurations.

The bearing comes with optional ceramic balls, reducing friction and enhancing speed capabilities.
With ABEC-5 and ABEC-16 ratings, it meets high precision standards for demanding applications.

724C Bearing’s sealed and open options provide versatility for different lubrication needs.
Its compact size (4 mm×13 mm×5 mm) makes it suitable for space-constrained installations.

The high-speed capability (up to 93,000 rpm with oil lubrication) ensures reliable performance.
Its lightweight design (0.0032 kg) minimises inertia, improving efficiency in dynamic systems.

Application

Key Fields for 724C Bearing
The 724C Bearing is widely used in precision instruments like dental drills and optical devices, where its small size and high-speed capabilities are ideal. Its angular contact design ensures accurate performance under combined loads.

How Does 724C Bearing Improve Performance?
In robotics, 724C Bearing enhances movement precision in joints and actuators, thanks to its low friction and universal matching. The ceramic ball option further reduces wear in demanding applications.

Built for Heavy-Duty Use: 724C Bearing
This bearing excels in industrial automation, particularly in spindle drives and CNC machinery, where its ABEC-5 rating guarantees tight tolerances. The sealed variants also protect against contaminants in harsh environments.

Automotive vs Aerospace: Applications of 724C Bearing
In automotive systems, 724C Bearing supports compact electric motors, while aerospace uses it in gyroscopes for its reliability. The phenolic cage option ensures stability across temperature variations.

Perfect Fit for Automation: 724C Bearing
For 3D printers and pick-and-place machines, 724C Bearing offers smooth linear motion with minimal maintenance. Its lubricated design extends service life even in continuous operation cycles.

Q&A

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