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Single Row Deep Groove Ball Bearings 6404

Single Row Deep Groove Ball Bearings 6404

The 6404 is a single-row deep groove ball bearing with a 20mm bore and 72mm outer diameter, crafted from sturdy chrome steel. It handles radial loads up to 6902 lbf and spins smoothly at speeds up to 10,000 RPM.

Its open design makes lubrication straightforward, while the stainless steel cage ensures durability. The bearing operates reliably in temperatures from -30°C to 110°C.

This model is interchangeable with SKF bearings, offering a cost-effective alternative for replacements. Perfect for applications like electric motors or conveyor systems where radial loads are common.

Weighing 400g, it’s a robust yet manageable choice for various industrial uses. Compliant with RoHS and REACH standards for safe and eco-friendly operation.

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Product Parameters

  • Part Number 6404
  • Brand TFL
  • Interchangeable SKF
  • System of Measurement Metric
  • For Load Direction Radial
  • Construction Single Row
  • Bearing Type Ball
  • Seal Type Open
  • Tolerance Class ABEC-1
  • Radial Clearance Trade No CN
  • Bore Dia 20 mm
  • Bore Dia Tolerance -0.01mm to 0
  • Outer Dia 72 mm
  • Outer Dia Tolerance -0.013mm to 0
  • Width 19 mm
  • Width Tolerance -0.120mm to 0
  • Ring Material Chrome Steel
  • Ball Material Chrome Steel
  • Cage Material Stainless Steel
  • Lubrication Required
  • REACH Compliant
  • Temperature Range -30° to 110 °C
  • Dynamic Radial Load 6902 lbf
  • Static Radial Load 3372 lbf
  • Max Speed 10000 rpm
  • Weight 400 g
  • price（$） 11.466
Single Row Deep Groove Ball Bearings 6404 dimension drawing
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Features

How Does 6404 Bearing Reduce Friction?

6404 Bearing features a deep groove design, which helps distribute radial loads evenly and reduces friction.

The chrome steel rings and balls ensure smooth operation, even at high speeds up to 10,000 rpm.

Its stainless steel cage maintains ball alignment, minimising wear and extending the bearing’s life.

With a dynamic radial load capacity of 6902 lbf, it performs reliably in various applications.

Application

Industrial Uses of 6404 Bearing
The 6404 Bearing is commonly used in industrial machinery like pumps and electric motors, where its radial load capacity ensures smooth operation. Its open design simplifies lubrication, making maintenance straightforward for busy workshops.

What Makes 6404 Bearing a Preferred Choice?
In automotive applications, 6404 Bearing fits well in alternators and wheel hubs, thanks to its balanced performance under radial loads. The chrome steel construction offers durability, even in demanding driving conditions.

Built for Versatility: 6404 Bearing
For home appliances like washing machines, 6404 Bearing provides quiet and reliable performance. Its metric sizing ensures compatibility with a variety of European and Asian appliance models.

Medical vs Industrial: Where 6404 Bearing Excels
While 6404 Bearing handles industrial equipment well, it’s also suitable for medical devices like centrifuges. The stainless steel cage helps maintain hygiene and reduces wear over time.

Key Fields for 6404 Bearing
In automation systems, 6404 Bearing supports robotic arms and conveyor belts with consistent precision. Its ABEC-1 tolerance class makes it a reliable choice for moderate-speed applications.

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