... bearing and packaging 2.competitive price 3.ISO9001:2000 NK 29/30 needle roller bearing Details: Shield / closure: Open ball bearing ... , AISI304, AISI316 Retainer: PTFE, nylon, PEEK or (stainless)steel NK 29/30 needle roller bearing Specifications: Needle rollers bearing can bear ... inner ring and without inner ring. G2 needle rollers. NK 29/30 needle roller bearing