NU418-XL-M1-C4

The NU418-XL-M1-C4 is a high-capacity cylindrical roller bearing specifically developed to handle massive radial forces in heavy-duty rotating equipment. Measuring 90x225x54mm, this unit utilizes the X-life (XL) performance standard, offering a refined raceway finish that reduces friction and heat generation. As part of the NU series, the outer ring is designed with two fixed ribs while the inner ring remains ribless, permitting the shaft to move axially relative to the housing. This "non-locating" characteristic is indispensable for long shafts where thermal expansion is a factor, preventing internal stress and ensuring smooth operation in large-scale industrial gearboxes and drive systems.

Distinguishing this model further is its specialized M1 machined brass cage, which provides exceptional mechanical strength and superior lubrication retention compared to pressed steel alternatives. The C4 radial clearance is a defining technical specification, offering a wider internal gap to compensate for significant thermal growth or tight interference fits often encountered in high-heat environments. Capable of maintaining structural integrity under high-speed rotation (up to 5,500 rpm), the NU418-XL-M1-C4 offers an optimized balance of load-bearing density and durability, making it a reliable choice for critical infrastructure components where unplanned maintenance must be avoided.

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