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The 6918 is a thin-section ball bearing with a 90mm bore and 125mm outer diameter, designed for radial loads. Its compact 18mm width makes it ideal for space-constrained applications.
Made from chrome steel with a stainless steel cage, it handles radial loads up to 7290 lbf and operates smoothly at speeds up to 5900 RPM. The open design allows for easy lubrication when needed.
With ABEC-1 precision and C0 clearance, it offers reliable performance in various conditions. The bearing works well in temperatures from -30°C to 110°C.
Weighing 565g, it’s suitable for applications like robotics or precision machinery where slim profiles are needed. Compliant with RoHS and REACH standards for safe use.
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Performance Features of 6918 Bearing
6918 Bearing is crafted with chrome steel rings and balls, offering strong resistance to radial loads.
Its dynamic radial load capacity reaches 7290 lbf, ensuring reliable performance in various applications.
The stainless steel cage maintains ball alignment, reducing friction and wear.
With a maximum speed of 5,900 rpm, it balances durability and efficiency.
Designed for precision, 6918 Bearing features a single row construction with ABEC-1 tolerance.
The radial clearance of 0.012mm to 0.036mm ensures smooth operation under different conditions.
Its compact size of 90 mm×125 mm×18 mm makes it suitable for space-constrained applications.
The temperature range of -30°C to 110°C allows for versatile use in various environments.
Industrial Uses of 6918 Bearing
The 6918 Bearing is commonly used in machine tools, where its thin section design saves space without compromising load capacity. Its open seal allows for easy lubrication, extending service life in demanding conditions.
In robotics, 6918 Bearing ensures smooth movement in articulated arms, thanks to its precise radial clearance. The chrome steel construction provides durability even in high-speed applications.
For packaging machinery, 6918 Bearing’s ABEC-1 tolerance ensures consistent performance in conveyor systems. Its lightweight design also reduces energy consumption over long operational periods.
Where Is 6918 Bearing Used?
You’ll often find 6918 Bearing in medical imaging devices, where its low friction and reliability are crucial. The stainless steel cage prevents contamination in sterile environments.
In automotive steering systems, 6918 Bearing handles radial loads efficiently. Its metric sizing makes it compatible with a variety of European and Asian vehicle designs.
Built for Versatility: 6918 Bearing
The 6918 Bearing works well in 3D printers, providing precise movement for print heads. Its thin profile fits neatly into compact machine designs.
For industrial fans, 6918 Bearing’s dynamic load capacity ensures smooth rotation. The chrome steel rings resist wear even in dusty environments.
Light-Duty vs Heavy-Duty: Best Uses for 6918 Bearing
In light-duty applications like office printers, 6918 Bearing offers quiet operation. Its C0 clearance provides just the right balance for consistent performance.
For heavier tasks like textile machinery, 6918 Bearing’s robust construction handles continuous operation. The open design simplifies maintenance during routine checks.
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