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The R2A is a miniature ball bearing with a compact size of 0.125″×0.5″×0.1719″, crafted from durable chrome steel. It handles radial loads up to 122 lbf and spins smoothly at speeds up to 53,000 RPM.
Its open design makes lubrication easy, while the stainless steel cage ensures reliable performance. The bearing operates well in temperatures from -86°F to 230°F.
With an ABEC1 tolerance class, it offers good precision for small applications. Ideal for use in miniature machinery or precision instruments where space is limited.
Weighing just 3.3g, it’s lightweight yet sturdy. Compliant with RoHS and REACH standards for safe use.
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Why Choose R2A Bearing for Precision Tasks?
R2A Bearing features a compact design with a 0.125″ bore, making it ideal for precision applications.
Its chrome steel construction ensures durability while maintaining smooth radial movement.
The ABEC1 tolerance class guarantees consistent performance in sensitive equipment.
With a maximum speed of 53,000 rpm, it delivers reliable operation in high-speed scenarios.
R2A Bearing’s stainless steel cage keeps the 7 balls aligned for reduced friction.
Its dynamic radial load capacity of 122 lbf suits various lightweight mechanical systems.
The open design allows for easy lubrication, extending the bearing’s service life.
Operating from -86 to 230°F, it adapts well to diverse temperature conditions.
Common Applications of R2A Bearing
R2A Bearing is widely used in small electric motors, such as those found in cooling fans or power tools, where its compact size and radial load capacity are ideal. The open design simplifies lubrication, ensuring smooth operation over time.
In robotics, R2A Bearing fits perfectly into joints and actuators, providing reliable movement with minimal friction. Its ABEC1 tolerance makes it suitable for applications where moderate precision is needed.
For medical devices like dental handpieces, R2A Bearing’s chrome steel construction offers durability in high-speed rotations. The lightweight design also helps reduce overall device fatigue during prolonged use.
Around the home, R2A Bearing can be spotted in appliances like blenders or printers, where quiet performance matters. Its inch sizing ensures compatibility with many North American-made products.
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