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Stainless Steel Deep Groove Ball Bearings D/W R4

Stainless Steel Deep Groove Ball Bearings D/W R4

The D/W R4 is a compact stainless steel deep groove ball bearing, measuring 0.25″ by 0.625″ by 0.19598″. Its single-row design handles radial loads up to 192 lbf and spins smoothly at speeds up to 60,000 RPM.

Made entirely from stainless steel, it resists corrosion and works in temperatures from -30°C to 120°C. The open design allows easy access for lubrication when needed.

This bearing is interchangeable with SKF models, making it a handy replacement option. It suits small machinery or instruments where space is limited but durability matters.

Weighing just 0.0038kg, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use in various industries.

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Product Parameters

  • Part Number D/W R4
  • Brand TFL
  • Interchangeable SKF
  • Bore Dia 0.25"
  • Bore Dia Tolerance -0.00019" to 0.00019"
  • Outer Dia 0.625"
  • Outer Dia Tolerance -0.0007" to -0.00031"
  • Width 0.19598"
  • 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 192 lbf
  • Static Radial Load 71 lbf
  • Temperature Range -30° to 120 °C
  • RoHS Compliant
  • REACH Compliant
  • Max Speed 60000 rpm
  • Weight 0.0038 kg
Stainless Steel Deep Groove Ball Bearings D/W R4 dimension drawing
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Features

Why Choose D/W R4 Bearing for Precision Tasks?

D/W R4 Bearing is crafted from stainless steel, offering excellent resistance to corrosion and wear.
Its compact size of 0.25″×0.625″×0.19598″ makes it ideal for precision applications where space is limited.

The bearing handles dynamic radial loads up to 192 lbf, ensuring reliable performance in demanding conditions.
With a maximum speed of 60,000 rpm, D/W R4 Bearing delivers smooth and efficient operation.

Its open design simplifies maintenance, while the stainless steel cage enhances durability.
The temperature range of -30° to 120 °C ensures consistent performance in various environments.

Application

Industrial Uses of D/W R4 Bearing
D/W R4 Bearing is commonly used in small industrial equipment like pumps and electric motors, where its stainless steel construction resists corrosion. The open design ensures easy lubrication, making it suitable for continuous operation in humid environments.

Where Is D/W R4 Bearing Used?
You’ll often find D/W R4 Bearing in automotive applications such as alternators and small gearboxes, thanks to its reliable radial load handling. Its inch sizing makes it a convenient choice for American-made machinery and replacement parts.

Perfect Fit for Automation: D/W R4 Bearing
In robotic arms and precision machinery, D/W R4 Bearing offers smooth rotation due to its tight tolerances. The stainless steel balls reduce friction, ensuring consistent performance in repetitive tasks.

Medical vs Industrial: Where D/W R4 Bearing Excels
While D/W R4 Bearing works well in medical devices like dental tools, its real strength lies in industrial settings. The high-speed capability makes it ideal for packaging machines and conveyor systems requiring durability.

Essential Roles of D/W R4 Bearing
For household appliances like food processors, D/W R4 Bearing provides quiet operation and long service life. The corrosion-resistant materials prevent contamination, meeting hygiene standards in kitchen environments.

Q&A

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