... 2.Reference price:US$1.5-500 3OEM service SKF/NSK Lock nut AH31241.Types:238series,248series,239series,,230series,240series,231 ... China, (AISI) 52100-USA, (DIN) 100CR6-Germany3. Retainer: J, K, M, MA, MB, k,4. Clearance: CN, C2, C3, C4, C55 ... /W33480790308900015600605238/500CAMA/W20500620901480400062.0023960CC/W33300420901200250039.50240/800ECA/W33800115034511100285001200 SKF/NSK Lock nut AH3124