NJ424M Cylindrical Roller Bearing (1)high precision, low noise and less ... )MOQ:1 (3)ISO9001.2000 (4)OEM service 1Product name NJ424M Cylindrical Roller Bearing2 Standard bearing materials GCr15_China/(AISI)52100_American/(DIN ... angular contact ball brearingDouble direction thrust angular contact ball bearing NJ424M Cylindrical Roller Bearing