Preferred Buyer From :
All over the world
Single row cylindrical roller bearings are classified by ribs as types of n0000 without ribs on outer rings and with double ribs on inner rings; nu0000 without ribs on inner rings and with double ribs on outer rings; nj0000 with double ribs on outer rings and with single rib on inner rings; nf0000 with double ribs on inner rings and with single rib on outer rings; nup0000 with double ribs on outer rings and with single rib on inner rings and also with end rings etc.