Nylon vs Steel vs Brass: Which Bearing Cage Survives Heat?
Compare Nylon (TN9), Pressed Steel, and Machined Brass (M) bearing cages under high heat. Explore 4 practical case scenarios to prevent premature cage failure.
Read articleCompare leading global bearing brands and explore compatible TFL alternatives by model, product type and application.
View all Brands GuideMatch manufacturer part numbers with interchangeable TFL bearing options and model-selection support.
Browse bearing solutions by equipment, operating environment and industry.
Practical guidance on bearing selection, applications, maintenance and sourcing.
Compare Nylon (TN9), Pressed Steel, and Machined Brass (M) bearing cages under high heat. Explore 4 practical case scenarios to prevent premature cage failure.
Read article
Find answers about quality, orders, technical support and after-sales service.
Use our articles, reference tools and customer resources to support sourcing decisions.
Learn about TFL Bearing, our quality systems and supply capabilities.
View all About & CapabilitiesAccess engineering support and services throughout the purchasing process.
View all Services & SupportExplore customer projects, sourcing partnerships and ways to contact our team.
View all Work With TFL
The RN-3X18.5 BF/G2 is a needle roller with a 3mm diameter and 18.5mm length, crafted from tough chrome steel. It meets G2 precision standards, ensuring reliable performance in tight spaces.
With flat ends and a roundness of just 0.5um, it rolls smoothly under radial loads. Its hardness of HRC60-65 makes it resistant to wear, even in demanding conditions.
The roller’s tight tolerances (0 to -0.33mm in length) and low surface roughness (VDWL 2um) help reduce friction. It’s interchangeable with INA models, offering flexibility for replacements.
Ideal for compact assemblies like gear pumps or small engines, where precision and durability matter. RoHS compliant for safe use in various industries.
How Does RN-3X18.5 BF/G2 Bearing Reduce Friction?
RN-3X18.5 BF/G2 Bearing features chrome steel rollers with a hardness of HRC60-65, ensuring minimal friction and wear.
The precision-ground rollers have a roundness of 0.5um, contributing to smooth and efficient operation.
Its flat ends and tight length tolerance of 0 to -0.33 mm enhance alignment, reducing unnecessary friction.
With a VDWL of 2um, RN-3X18.5 BF/G2 Bearing maintains consistent performance in various applications.
The needle roller design allows for compact installation while handling high radial loads effectively.
RN-3X18.5 BF/G2 Bearing is RoHS compliant, making it suitable for environmentally sensitive applications.
Industrial Uses of RN-3X18.5 BF/G2 Bearing
RN-3X18.5 BF/G2 Bearing is commonly used in compact industrial gearboxes, where its needle roller design saves space while handling high radial loads. The chrome steel construction ensures durability in demanding environments like conveyor systems.
Where Is RN-3X18.5 BF/G2 Bearing Used?
You’ll often spot RN-3X18.5 BF/G2 Bearing in automotive transmissions, where its flat ends and precise dimensions help reduce friction. Its G2 rating makes it reliable for high-speed applications like motorcycle engines.
Built for Heavy-Duty Use: RN-3X18.5 BF/G2 Bearing
RN-3X18.5 BF/G2 Bearing excels in construction equipment, such as compact hydraulic pumps, thanks to its HRC60-65 hardness. The tight roundness tolerance (0.5µm) ensures smooth operation under heavy loads.
Medical vs Industrial: Where RN-3X18.5 BF/G2 Bearing Excels
In medical devices like dental handpieces, RN-3X18.5 BF/G2 Bearing’s small size and precision are ideal. For industrial automation, it’s a go-to for robotic arm joints due to its low VDWL (2µm).
Perfect Fit for Automation: RN-3X18.5 BF/G2 Bearing
RN-3X18.5 BF/G2 Bearing works well in 3D printers, where its axial and radial runout tolerances ensure accurate movements. The stainless steel material also resists wear in continuous-operation setups.