This needle roller, model RN-3.17×1.97 BF/G3, measures 3.17mm in diameter and 1.97mm in length, made from tough chrome steel. It’s designed for precision applications with a hardness rating of HRC60-65, ensuring durability.
The flat ends and tight length tolerance (0 to -0.14mm) make it easy to fit into compact spaces. Its high roundness (0.8um) and smooth surface finish (VDWL 3um) help reduce friction during operation.
This roller is interchangeable with INA bearings, offering a reliable alternative. Ideal for use in small machinery or automotive components where space is limited but performance is key.
Compliant with RoHS standards, it’s a safe choice for various industrial needs. The G3 rating ensures consistent quality for demanding applications.
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How Does RN-3.17×1.97 BF/G3 Bearing Ensure Precision?
RN-3.17×1.97 BF/G3 Bearing is crafted from chrome steel, offering high hardness (HRC60-65) for durability.
Its needle roller design provides precise movement, ideal for compact spaces and high-load applications.
The flat ends and tight length tolerance (0 to -0.14 mm) ensure consistent performance in demanding conditions.
With a roundness of just 0.8um, it delivers smooth operation for precision tasks.
Where Is RN-3.17×1.97 BF/G3 Bearing Used?
RN-3.17×1.97 BF/G3 Bearing is commonly found in compact automotive components like gearboxes and transmission systems, where its small size and high load capacity are essential. The chrome steel construction ensures durability even in high-speed conditions.
In industrial machinery, RN-3.17×1.97 BF/G3 Bearing fits well in applications requiring precise radial load support, such as printing presses and textile equipment. Its flat ends and tight tolerances make it reliable for repetitive motion tasks.
For medical devices, RN-3.17×1.97 BF/G3 Bearing’s needle roller design is ideal for surgical tools and diagnostic machines, where smooth operation and minimal friction are critical. The G3 rating guarantees consistent performance in sensitive environments.
Automation systems also benefit from RN-3.17×1.97 BF/G3 Bearing, particularly in robotic arms and conveyor mechanisms. Its hardness and roundness specifications ensure long service life under continuous use.
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