Cylindrical roller bearing

radialdouble-rowsteel

With a wide range of executions of double row cylindrical roller bearings, RKB is able to fulfill any requirement in demanding applications such as large size gearboxes, machine tools, grinding mills and crushers. To ensure superior performance, RKB double row cylindrical roller bearings are manufactured from high quality special steels, heat treated in optimized automatic lines. With improved internal geometry and profile, they can withstand high radial loads within a narrow cross section. Type NNU Outer ring with three integral ribs Ribless inner ring One-piece double pronged machined brass or steel cage Annular groove and lubrication holes in outer ring Optimized raceway geometry and roller profile Available with cylindrical and tapered bore Available with locating slots in outer ring, lubrication holes in inner ring, lubrication grooves in side faces of inner and outer rings Available with steel pin-type cage and pierced roller design Type NN Ribless outer ring Inner ring with three integral ribs One-piece double pronged machined brass cage Annular groove and lubrication holes in outer ring Optimized raceway geometry and roller profile Available with tapered and cylindrical bore Available with steel pin-type cage and pierced roller design Type NNUP Outer ring with two integral ribs and one loose rib Inner ring with one integral side rib and one loose rib One-piece double pronged machined brass or steel cage Annular groove and lubrication holes in outer ring Optimized raceway geometry and roller profile