... and long life HM88542-HM88512 Cylindrical Roller Bearings Made in China Design Classification :1.Single Row Cylindrical Roller BearingSingle ... row cylindraical Roller Bearing can be classified in NU,NJ,NUP,N,NF and so on .Inner ... roller bearings is mainly used for medium and large motors, generators, internal combustion engines, gas turbines, machine tool spindles, deceleration ...