| Dimensions (metric) | d | 4 | ![]() Two Shields ZZ |
| D | 9 | ||
| B | 3.5 | ||
| Approx. Wgt. lbs | .0030 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| NMB | - | ||
| NTN | - | ||
| RMB | - | ||
| SKF | W628/4-ZZ | ||
| 1) Outer races, inner races and balls are manufactured from 440C or equivalent stainless steel. They are through hardened to a hardness of 55-57RC. 2) The cages are manufactured from 304 or equivalent stainless steel. 3) Shields are manufactured from 304 or equivalent stainless steel. | |||
Hot number:NSK 51216 FAG N 408 OKB 42507W1E OKB 466212 ISB 608/500 CRAFT 61908-2RS NTN FL602ZZA NSK LM121915 IKO NA 4900 FBJ QJ319 NSK HK-1614-RS FAG KA-45XPO FAG SN-615..2315-K SKF NATV 30 PPXA NOK UPH-199
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