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The R4 is a compact inch-sized ball bearing, measuring 0.25″×0.625″×0.196″, crafted from durable chrome steel with a stainless steel cage. It handles radial loads up to 283 lbf and spins smoothly at speeds up to 38,000 RPM.
Its open design requires regular lubrication but offers easy maintenance. With a radial clearance of 0.00008″ to 0.0005″, it provides reliable performance in various conditions.
This bearing operates in temperatures from -86°F to 230°F, making it versatile for different environments. Ideal for small machinery, hobby projects, or precision instruments where space is limited.
Weighing just 4.46g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards, ensuring safe and eco-friendly use.
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Why Choose R4 Bearing for Precision Tasks?
R4 Bearing features a compact design with a 0.25″ bore and 0.625″ outer diameter, making it ideal for tight spaces.
Its chrome steel construction ensures durability and smooth operation in radial load applications.
With a dynamic radial load capacity of 283 lbf, R4 Bearing handles demanding tasks with ease.
The stainless steel cage maintains ball alignment, reducing friction and wear over time.
R4 Bearing operates efficiently at speeds up to 38,000 rpm, suitable for high-performance applications.
Its temperature range of -86 to 230 °F allows for reliable use in various environments.
Practical Applications of R4 Bearing
R4 Bearing is commonly used in small-scale industrial equipment, like precision instruments and miniature gearboxes, where its compact size and radial load capacity are ideal. The open design simplifies lubrication, ensuring smooth operation in tight spaces.
In the automotive sector, R4 Bearing fits well in components such as electric motors and dashboard mechanisms, thanks to its inch sizing and reliable performance. Its chrome steel construction handles moderate loads while maintaining durability.
For consumer electronics, R4 Bearing works efficiently in devices like printers and small fans, where low noise and consistent rotation matter. The lightweight design (4.46g) makes it a practical choice for portable gadgets.
Medical devices, such as handheld diagnostic tools, benefit from R4 Bearing’s precision and temperature resilience (-86 to 230°F). The stainless steel cage adds corrosion resistance for hygiene-critical environments.
Automation systems, including robotic arms and 3D printers, rely on R4 Bearing for smooth radial motion. Its ABEC1 tolerance ensures adequate precision for most light-duty automated tasks.
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