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Miniature Angular Contact Ball Bearings 719/7C

Miniature Angular Contact Ball Bearings 719/7C

The 719/7C is a compact angular contact ball bearing, measuring just 7mm by 17mm by 5mm. It comes in sealed or open variants, with a 15° contact angle for handling combined loads.

This bearing supports dynamic radial loads up to 364 lbf and spins smoothly at speeds up to 75,000 RPM with oil lubrication. Its universal matching design allows flexible arrangement in various setups.

The nylon or phenolic cage reduces friction, while the option for ceramic balls enhances durability. Preload availability ensures precise operation in demanding applications.

Ideal for small machinery, dental tools, or precision instruments where space is limited but performance is key. Weighing only 5.2 grams, it’s lightweight yet robust for its size.

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Product Parameters

  • Part Number 719/7C
  • Brand TFL
  • Bore Dia 7 mm
  • Outer Dia 17 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 364.18 lbf
  • Static Radial Load 161.86 lbf
  • Grease Limited speed (r/min) 70000
  • Oil Limited speed (r/min) 75000
  • Weight 0.0052 kg
Miniature Angular Contact Ball Bearings 719/7C dimension drawing
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Features

Why Choose 719/7C Bearing for Precision Tasks?

719/7C Bearing features a 15° contact angle, making it ideal for precision applications requiring angular contact.
Its universal matching design allows for flexible arrangements, ensuring smooth operation in various setups.

With options for steel or ceramic balls, 719/7C Bearing offers versatility for different performance needs.
The ABEC-5 and ABEC-16 ratings ensure high precision and reliability in demanding conditions.

719/7C Bearing’s sealed and open options provide flexibility for different lubrication requirements.
Its lightweight design at just 0.0052 kg makes it suitable for compact and high-speed applications.

Application

Common Applications of 719/7C Bearing
719/7C Bearing is widely used in precision industrial equipment like small CNC spindles, where its 15° contact angle ensures accurate radial and axial load handling. The sealed design keeps contaminants out, extending service life in dusty workshops.

In automotive applications, 719/7C Bearing fits compact electric motors and gear mechanisms, thanks to its 7mm bore and ceramic ball options. Its universal matching feature allows flexible installation in tight spaces common in modern vehicle designs.

For medical devices, 719/7C Bearing’s nylon cage and ABEC-5 precision make it suitable for delicate surgical tools requiring smooth, vibration-free rotation. The phenolic cage variant works well in sterilisation-prone environments.

Automation systems benefit from 719/7C Bearing’s high-speed capability (70,000 rpm) in robotic joint assemblies. The preload availability helps maintain positional accuracy in repetitive movements.

In consumer electronics, 719/7C Bearing’s miniature size fits perfectly in high-speed cooling fans and precision printer mechanisms. The lubricated design ensures quiet operation for home and office use.

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