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Single Row Deep Groove Ball Bearings 638/5-2Z

Single Row Deep Groove Ball Bearings 638/5-2Z

The 638/5-2Z is a compact single row deep groove ball bearing, measuring just 5mm by 11mm by 5mm. Made from chrome steel, it handles radial loads up to 105 lbf and spins smoothly at speeds up to 60,000 RPM.

Its shielded design keeps grease in and dirt out, making it low-maintenance. The stainless steel cage adds durability for long-term use.

This bearing works well in temperatures from -30°C to 120°C, suitable for small motors or precision instruments. It’s interchangeable with SKF bearings for easy replacement.

Weighing only 0.0018kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe use in various applications.

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    Description Features Application Q&A Featured Products Our Process

Product Parameters

  • Part Number 638/5-2Z
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Shielded
  • Tolerance Class P6
  • Radial Clearance Trade No CN
  • Bore Dia 5 mm
  • Bore Dia Tolerance -0.007mm to 0
  • Outer Dia 11 mm
  • Outer Dia Tolerance -0.007mm to 0
  • Width 5 mm
  • Width Tolerance -0.12mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Lubrication Grease
  • REACH Compliant
  • Temperature Range -30° to 120 °C
  • Dynamic Radial Load 105 lbf
  • Static Radial Load 32 lbf
  • Max Speed 60000 rpm
  • Weight 0.0018 kg
  • price（$） 3.222
Single Row Deep Groove Ball Bearings 638/5-2Z dimension drawing
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Features

Why Choose 638/5-2Z Bearing for Precision Tasks?

638/5-2Z Bearing features a shielded design, protecting against dust and contaminants while maintaining smooth operation.
Its chrome steel construction ensures durability and resistance to wear, even in high-speed applications.

The single row deep groove design allows for efficient radial load handling, with a dynamic load capacity of 105 lbf.
With a maximum speed of 60,000 rpm, it is well-suited for precision instruments and small machinery.

638/5-2Z Bearing operates within a temperature range of -30° to 120°C, making it versatile for various environments.
Its compact size (5 mm×11 mm×5 mm) and lightweight design (0.0018 kg) ensure easy integration into tight spaces.

Application

Common Applications of 638/5-2Z Bearing
This compact bearing is widely used in small electric motors, such as those found in household appliances and power tools. Its shielded design helps keep out dust while maintaining smooth rotation.

In automation systems, 638/5-2Z Bearing works well in miniature gearboxes and precision instruments. The P6 tolerance ensures reliable performance in delicate mechanisms.

For hobbyist projects like RC cars or drones, 638/5-2Z Bearing offers good radial load support in tight spaces. The chrome steel construction provides durability without adding significant weight.

Medical device manufacturers often choose 638/5-2Z Bearing for portable diagnostic equipment. Its small size and grease lubrication make it suitable for quiet, low-maintenance operation.

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