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The RN-1.81×12.5 BF/G3 is a precision needle roller with a diameter of 1.81mm and length of 12.5mm, crafted from durable chrome steel. Its flat ends and tight length tolerance ensure consistent performance in compact spaces.
With a hardness rating of HRC60-65, it handles high loads while maintaining smooth operation. The roller’s roundness of 0.8µm and low VDWL (3µm) contribute to reduced vibration and noise.
This INA-interchangeable roller suits applications where space is limited but reliability is key, such as small gearboxes or precision machinery. Its G3 rating indicates superior quality for demanding industrial use.
RoHS-compliant and built to last, it’s a practical choice for maintenance kits or OEM replacements. The balanced Rsmax values (0.8mm axial, 0.6mm radial) allow for controlled movement under stress.
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Why Choose RN-1.81×12.5 BF/G3 for Precision Tasks?
RN-1.81×12.5 BF/G3 is crafted from chrome steel, offering high hardness (HRC60-65) for precision applications.
Its needle roller design ensures minimal friction, making it ideal for compact spaces.
The tight length tolerance (0 to -0.27 mm) guarantees consistent performance in demanding setups.
With a roundness of just 0.8um, it delivers smooth and reliable operation.
Industrial Uses of RN-1.81×12.5 BF/G3 Bearing
RN-1.81×12.5 BF/G3 Bearing is commonly used in compact industrial machinery, such as textile equipment and small gearboxes, where space is limited but precision is key. Its needle roller design offers high load capacity in a minimal footprint.
In automotive applications, RN-1.81×12.5 BF/G3 Bearing fits well in transmission systems and steering mechanisms, providing smooth rotation under heavy loads. The chrome steel construction ensures durability even in demanding driving conditions.
For medical devices, RN-1.81×12.5 BF/G3 Bearing’s high precision makes it suitable for surgical tools and diagnostic equipment. The flat ends and tight tolerances contribute to reliable performance in critical healthcare settings.
Automation and robotics benefit from RN-1.81×12.5 BF/G3 Bearing’s ability to handle high speeds with minimal friction. It’s often found in robotic arms and precision actuators, where consistent movement is essential.
In consumer electronics, RN-1.81×12.5 BF/G3 Bearing can be used in small motors and printers, ensuring quiet and efficient operation. Its compact size and G3 rating make it a versatile choice for everyday devices.
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