Seals Type: ZZ or Open or 2RS aligning ... Vibration noisy lever:Z1,Z2 3.Stocks Seals Type: ZZ or Open or 2RS aligning ball bearing ... NSK)Product catalog:Deep groove ball bearing,Angular contact bearing,Self-aligning bearing,Cylindrical roller bearing,Spherical ... contral products package detail information of the products contact usCompanyTianJin NaBoRui Mechanical Equipment sales Co.,LtdContact personMiss ...