... copper cage, nylon retainer, steel retainer5. Sealing form: OPEN, Z,ZZ,RS, 2RSNo.2. Part of Bearing:6300 ... 161601050*80*106055*12*5620112*32*10680010*19*5 6066*17*6620215*35*11680112*21*56077* ... 19*6620317*40*12680215*24*5 6088*22*7620420*47*14680317*26*56099* ... electrical, construction machinery and various kinds of professional machineNo.5: Delivery:10 days after orderNo.6: Packaging:1 ...