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Stainless Steel Deep Groove Ball Bearings D/W R4A

Stainless Steel Deep Groove Ball Bearings D/W R4A

The D/W R4A is a compact stainless steel deep groove ball bearing, measuring 0.25″ by 0.75″ by 0.22″. Its all-stainless construction ensures good corrosion resistance and durability.

It handles radial loads up to 344 lbf and can spin at speeds up to 50,000 RPM, making it suitable for high-speed applications. The open design allows for easy lubrication when needed.

With tight tolerances and a single-row design, this bearing offers smooth operation. It works in temperatures from -30°C to 120°C, adapting to various environments.

Weighing just 7.3 grams, it’s ideal for small machinery or instruments where space is limited. Compliant with RoHS and REACH standards, it’s a reliable choice for various industrial uses.

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Product Parameters

  • Part Number D/W R4A
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.00019" to 0.00019"
  • Outer Dia 0.75"
  • Outer Dia Tolerance -0.0007" to -0.00031"
  • Width 0.21882"
  • Width Tolerance -0.005" to 0"
  • System of Measurement Inch
  • Bearing Type Ball
  • For Load Direction Radial
  • Construction Single Row
  • Seal Type Open
  • Tolerance Class P0
  • Radial Clearance Trade No CN
  • Ring Material Stainless Steel
  • Ball Material Stainless Steel
  • Cage Material Stainless Steel
  • Dynamic Radial Load 344 lbf
  • Static Radial Load 132 lbf
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 50000 rpm
  • Weight 0.0073 kg
Stainless Steel Deep Groove Ball Bearings D/W R4A dimension drawing
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Features

How Does D/W R4A Bearing Reduce Friction?

D/W R4A Bearing features a stainless steel construction, ensuring smooth operation with minimal friction.

The deep groove design enhances load distribution, making it suitable for radial applications.

With a maximum speed of 50,000 rpm, it delivers reliable performance in high-speed environments.

Its open seal type allows for easy maintenance while maintaining efficiency.

Application

Common Applications of D/W R4A Bearing
D/W R4A Bearing is widely used in small industrial equipment, such as precision instruments and light-duty machinery, where its stainless steel construction offers good corrosion resistance.
The open design ensures easy lubrication access, making it suitable for environments where regular maintenance is preferred.

Where Is D/W R4A Bearing Used?
In automotive applications, D/W R4A Bearing can be found in electric motors and small gearboxes, providing reliable radial load support.
Its inch sizing makes it compatible with many North American and British machinery standards.

Ideal for Precision: D/W R4A Bearing
For medical devices like dental tools or lab equipment, D/W R4A Bearing’s stainless steel build ensures hygiene and durability.
The high-speed capability also makes it a fit for delicate, fast-moving components.

Automotive vs Industrial: Applications of D/W R4A Bearing
In automotive settings, D/W R4A Bearing handles light loads in accessories like fans or pumps.
Industrial uses include conveyor systems where its corrosion resistance extends service life in humid conditions.

Perfect Fit for Automation: D/W R4A Bearing
D/W R4A Bearing works well in robotic arms and small automation systems due to its compact size and smooth operation.
The stainless steel materials also reduce wear in high-cycle applications.

Q&A

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