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The RN-2.5×21.8 BF/G2 is a needle roller bearing with a 2.5mm diameter and 21.8mm length, crafted from hard-wearing chrome steel. Its flat ends and precise roundness of 0.5µm ensure smooth operation in tight spaces.
This bearing meets G2 rating standards, offering reliable performance with minimal radial and axial runout (0.6mm and 0.8mm max respectively). Its hardness of HRC60-65 makes it resistant to wear over time.
The needle roller design is ideal for high-load, low-profile applications like gearboxes or automotive components. Its interchangeability with INA bearings simplifies replacements.
Compliant with RoHS standards, this model balances durability and precision. Suitable for machinery where space is limited but performance can’t be compromised.
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How Does RN-2.5×21.8 BF/G2 Bearing Reduce Friction?
RN-2.5×21.8 BF/G2 Bearing features chrome steel needles with a hardness of HRC60-65, ensuring minimal friction during operation.
The precise roundness of 0.5um and VDWL of 2um contribute to smooth rolling motion, enhancing efficiency.
Its flat ends and tight length tolerance (0 to -0.33 mm) provide stability, reducing wear over time.
With Rsmax axial and radial values of 0.8 mm and 0.6 mm respectively, it maintains reliable performance under varying loads.
Key Fields for RN-2.5×21.8 BF/G2 Bearing
RN-2.5×21.8 BF/G2 Bearing is commonly used in compact automotive components like gear pumps and transmission systems, where its needle roller design saves space without sacrificing load capacity. The chrome steel construction ensures durability even in high-stress environments.
What Makes RN-2.5×21.8 BF/G2 Bearing a Preferred Choice?
In industrial machinery, RN-2.5×21.8 BF/G2 Bearing excels in applications like printing presses and textile equipment, thanks to its precise roundness and low friction. The flat ends design also simplifies installation and maintenance.
Perfect Fit for Automation: RN-2.5×21.8 BF/G2 Bearing
RN-2.5×21.8 BF/G2 Bearing is ideal for robotic arms and small actuators, where its compact size and high hardness rating (HRC60-65) provide reliable performance. The metric sizing ensures compatibility with a wide range of automated systems.
Medical vs Industrial: Where RN-2.5×21.8 BF/G2 Bearing Excels
RN-2.5×21.8 BF/G2 Bearing is suitable for medical devices like dental handpieces, offering smooth operation due to its tight roundness tolerance (0.5um). In industrial settings, it handles radial loads efficiently in machinery like conveyor rollers.
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