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Miniature Angular Contact Ball Bearings 708AC
Miniature Angular Contact Ball Bearings 708AC

Miniature Angular Contact Ball Bearings 708AC

The 708AC is a compact angular contact ball bearing, measuring just 8mm by 22mm by 7mm. It features a 25° contact angle and comes in both sealed and open versions for flexibility.

This bearing handles high speeds, reaching up to 62,000 RPM with grease or 95,000 RPM with oil lubrication. Its universal matching design allows easy pairing with other bearings for various setups.

The nylon or phenolic cage reduces friction while maintaining durability. Ideal for precision applications like small motors or medical equipment where space is limited.

Weighing only 0.01kg, it’s lightweight yet robust. Available with optional preload for improved stability in demanding conditions.

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Product Parameters

  • Part Number 708AC
  • Brand TFL
  • Bore Dia 8 mm
  • Outer Dia 22 mm
  • Width 7 mm
  • System of Measurement Metric
  • Contact Angle 25°
  • 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 ABEC-4
  • Grease Limited speed (r/min) 62000
  • Oil Limited speed (r/min) 95000
  • Weight 0.01 kg

Features

How Does 708AC Bearing Support Angular Contact Loads?

708AC Bearing features a 25° contact angle, optimising its ability to handle combined radial and axial loads.

Its universal matching design allows for flexible arrangement, making it suitable for various applications.

The choice between steel or ceramic balls provides options for different performance needs.

With speeds up to 95,000 rpm in oil, it delivers efficient operation in high-speed environments.

Application

Key Fields for 708AC Bearing
The 708AC Bearing is commonly used in precision instruments like dental drills and optical devices, where its compact size and angular contact design ensure accurate performance. Its sealed options help maintain cleanliness in sensitive environments.

How Does 708AC Bearing Improve Performance?
In robotics, 708AC Bearing enhances movement precision for robotic arms and joints, thanks to its universal matching and preload options. The ceramic ball variant is ideal for high-speed applications, reducing friction and wear.

Built for Heavy-Duty Use: 708AC Bearing
This bearing excels in industrial pumps and compressors, handling both radial and axial loads with ease. The phenolic cage offers durability, even in harsh conditions, making it a reliable choice for long-term use.

Automotive vs Aerospace: Applications of 708AC Bearing
In automotive systems, 708AC Bearing supports steering columns and transmission shafts, while in aerospace, it aids in actuator mechanisms. Its lightweight design and high-speed capability make it versatile across industries.

Perfect Fit for Automation: 708AC Bearing
For automated production lines, 708AC Bearing ensures smooth operation in conveyor belts and assembly robots. The lubricated variants reduce maintenance needs, keeping downtime to a minimum.

Q&A

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