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The 61903 is a compact single row deep groove ball bearing, measuring 17mm by 30mm by 7mm, crafted from sturdy chrome steel. It handles radial loads up to 1039 lbf and can spin at speeds up to 32,000 RPM.
Its open design allows for easy lubrication, while the stainless steel cage ensures durability. The bearing operates smoothly 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 electric motors where space is limited but performance is key.
Weighing just 0.016kg, it’s lightweight yet robust. Compliant with RoHS and REACH standards for safe and reliable use.
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Performance Features of 61903 Bearing
61903 Bearing is built with chrome steel rings and balls, offering reliable radial load support.
Its dynamic radial load capacity of 1039 lbf ensures steady performance in various applications.
The stainless steel cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 32,000 rpm, it delivers smooth operation for high-speed tasks.
61903 Bearing operates efficiently in temperatures from -30° to 120°C.
Its compact size (17 mm×30 mm×7 mm) makes it suitable for space-constrained designs.
Common Applications of 61903 Bearing
The 61903 Bearing is widely used in small electric motors, where its compact size and radial load capacity make it ideal for efficient power transmission.
Its open design allows for easy lubrication, ensuring smooth operation in high-speed applications like dental handpieces or small fans.
Industrial Uses of 61903 Bearing
In conveyor systems, 61903 Bearing provides reliable performance for light-duty rollers, thanks to its chrome steel construction.
The P6 tolerance class ensures precise alignment in packaging machinery, reducing vibration during continuous operation.
Where Is 61903 Bearing Used?
You’ll often find 61903 Bearing in office equipment like printers, where its low noise operation maintains quiet workspaces.
Its 17mm bore size makes it compatible with various spindle designs in textile machinery as well.
Perfect Fit for Automation: 61903 Bearing
This bearing works well in robotic joint assemblies due to its balanced radial load handling and 32,000 rpm speed rating.
The stainless steel cage prevents corrosion in humid environments, making it suitable for food processing equipment too.
Light-Duty vs Heavy-Duty: Best Uses for 61903 Bearing
While 61903 Bearing excels in small appliances like blenders, its 573 lbf static load capacity also supports measuring instruments.
The -30° to 120°C range allows stable performance in both refrigeration units and warm gearbox housings.
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