Detailed description
6311-RZ deep groove ball bearing
1.Dimension(mm) :d;55 D:120 B:29
2.Seals type: steel sealed/ rubber sealed/open
3. Longer service life: High limiting speed:l little attention or maintenance.
4.Our bearings supports Shen Zhou manned spacecraft and the long march no.2 rocket well.
5. HRB bearings passed through: ISO9001-2000.GJB9001A-2001.TS16949-2002
6.Bearing No.:6311-RZ/Z1 6311-RZ/Z2
7.Old code: 160311K
Dear customer,if you need s[ecial specifications,our manufacturer also can make it with a little more time.Hope what we offer is just what you want!









