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The R4A is a compact inch-sized ball bearing with a 0.25″ bore and 0.75″ outer diameter, crafted from durable chrome steel. It supports radial loads up to 446 lbf and spins smoothly at speeds up to 36,000 RPM.
Its open design allows for easy lubrication, while the stainless steel cage ensures reliable performance. The bearing operates efficiently in temperatures ranging from -86°F to 230°F.
With ABEC1 precision and MC3 radial clearance, it offers a good balance of performance and affordability. Ideal for small machinery, hobby projects, or applications where space is limited.
Weighing just 7.48g, it’s lightweight yet sturdy, making it a practical choice for various uses. Compliant with RoHS and REACH standards for safe and eco-friendly operation.
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Why Choose R4A Bearing for Precision Tasks?
R4A Bearing is crafted with chrome steel rings and balls, ensuring precise performance in miniature applications.
Its dynamic radial load capacity of 446 lbf makes it suitable for high-precision radial tasks.
The stainless steel cage maintains ball alignment, reducing friction and enhancing durability.
With a maximum speed of 36,000 rpm, it delivers reliable efficiency in compact designs.
How Is R4A Bearing Engineered for Reliability?
R4A Bearing features a single-row construction with chrome steel components for consistent reliability.
The ABEC1 tolerance class ensures smooth operation, ideal for precision instruments.
Its radial clearance range of 0.00008″ to 0.0005″ allows for optimal performance in various conditions.
The open design simplifies lubrication, maintaining efficiency over time.
What Makes R4A Bearing Suitable for High-Temperature Applications?
R4A Bearing operates effectively in temperatures ranging from -86 to 230 °F, ensuring versatility.
The chrome steel material resists wear, even under demanding thermal conditions.
Its lightweight design at 7.48 g makes it easy to integrate into compact systems.
The high-speed capability of 36,000 rpm ensures performance in fast-paced environments.
What Makes R4A Bearing a Preferred Choice?
R4A Bearing is commonly used in small-scale industrial equipment like precision instruments and miniature gear systems, where its compact size and radial load capacity are ideal. The open design simplifies lubrication, ensuring smooth operation in tight spaces.
In automotive applications, R4A Bearing fits well in components such as electric window motors or dashboard instruments, thanks to its inch sizing and reliable performance. Its chrome steel construction handles moderate loads while maintaining durability.
For consumer electronics, R4A Bearing works efficiently in devices like handheld fans or small printers, where low noise and consistent rotation matter. The lightweight design (7.48g) makes it a practical fit for portable gadgets.
Medical devices like dental tools or lab equipment benefit from R4A Bearing’s precision and temperature resistance (-86 to 230°F). The stainless steel cage adds corrosion resistance for sterile environments.
Automation systems, such as robotic arms or 3D printers, rely on R4A Bearing for its high-speed capability (36,000 rpm) and minimal radial clearance. Its ABEC1 tolerance ensures reliable motion control in repetitive tasks.
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