This NU1018-M1 bearing is a single row cylindrical roller bearing, it has no flanges on the inner ring, a two-piece solid brass cage, roller guided and a normal radial internal clearance. The bearing's dimensions are 90x140x24.NU1018 M1 Two Flanges...

This NU1018-M1-C3 bearing is a single row cylindrical roller bearing, it has no flanges on the inner ring, a two-piece solid brass cage, roller guided and a larger than normal radial internal clearance. The bearing's dimensions are 90x140x24.NU1018...