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Single Row Deep Groove Ball Bearings 618/7

Single Row Deep Groove Ball Bearings 618/7

The 618/7 is a compact single row deep groove ball bearing, measuring just 7mm by 14mm by 3.5mm. Made from chrome steel, it’s built to handle radial loads up to 175 lbf and spins smoothly at speeds up to 63,000 RPM.

Its open design allows for easy maintenance, while the stainless steel cage ensures durability. The bearing operates efficiently in temperatures ranging from -30°C to 120°C.

This model is interchangeable with SKF bearings, making it a practical choice for replacements. Ideal for small machinery or precision instruments where space is limited.

Weighing only 0.0022kg, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.

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Product Parameters

  • Part Number 618/7
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Open
  • Tolerance Class P6
  • Radial Clearance Trade No CN
  • Bore Dia 7 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 14 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 3.5 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • REACH Compliant
  • Temperature Range -30° to 120 °C
  • Dynamic Radial Load 175 lbf
  • Static Radial Load 58 lbf
  • Max Speed 63000 rpm
  • Weight 0.0022 kg
  • price（$） 8.829
Single Row Deep Groove Ball Bearings 618/7 dimension drawing
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Features

Performance Features of 618/7 Bearing

618/7 Bearing is designed for radial loads, with a compact size of 7 mm×14 mm×3.5 mm, making it ideal for space-constrained applications.
Its chrome steel rings and balls provide durability, while the stainless steel cage ensures smooth operation.

The bearing handles dynamic radial loads up to 175 lbf, suitable for various industrial uses.
With a maximum speed of 63,000 rpm, it offers efficient performance in high-speed applications.

618/7 Bearing operates in temperatures from -30° to 120 °C, ensuring reliability in diverse environments.
Its P6 tolerance class guarantees precision, making it a dependable choice for demanding tasks.

Application

Common Applications of 618/7 Bearing
The 618/7 Bearing is widely used in small electric motors, such as those found in household appliances like fans and blenders. Its compact size and radial load capacity make it ideal for space-constrained designs.

In automation systems, 618/7 Bearing ensures smooth operation in components like miniature conveyor belts and robotic arms. The open design allows for easy lubrication, extending its service life in continuous-use scenarios.

For precision instruments, 618/7 Bearing’s P6 tolerance class provides the accuracy needed in devices like optical encoders. The chrome steel construction offers durability without compromising on performance.

Where Is 618/7 Bearing Used?
You’ll often find 618/7 Bearing in office equipment like printers and scanners, where its low noise and high-speed capability are valued. The metric dimensions ensure compatibility with a variety of international models.

In hobbyist projects, 618/7 Bearing is a popular choice for DIY drones and RC cars due to its lightweight design. The stainless steel cage adds corrosion resistance, making it suitable for outdoor use.

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