... .needle bearing 2.Short delivery time 3.Manufacturer price 4.High quality 5.ISO 9000/9001/9004/19011: 2000 heavy duty roller bearing ... , We product:heavy duty needle roller bearing without inner ring:NK, NKS, RNA49, RNA69 ... ring:NKI, NKIS, NA49, NA48, NA69.sealed heavy duty needle roller bearing without or with inner ring: RNA49..RS, na49..2RS.heavy ...