... the same time withstand high speed rotation with N-type and NU type axial movement, adapt to ... cylindrical roller bearings under the ring ribs divided into N-type, NU type, NJ-type, NF-type ... In very heavy duty and medium-speed condition. N DesignInner ring has two integral flanges, the outer ... these bearings for non-locating bearing. NU DesignNU design of bearing outer ring has two integral flanges, ...