... Material : 50Mn , 42CrMo Printing / Textile Machinery bearing Crossed roller bearing slewing ring for Printing and Textile Machinery PartsCrossed roller bearing for Gearless SISR-698 , SISR-900 , SISR ... -1360 , SISR-1485 , SISR-1478 , SISR-1685 , SISR-2650 , Crossed roller bearing for External Gear SISRO-744 , SISRO-800 , SISRO-816 , SISRO-864 ...