| Dimensions (metric) | d | 3 | ![]() Two Shields ZZ |
| D | 7 | ||
| B | 3 | ||
| Approx. Wgt. lbs | .0010 | ||
| Interchange | ADR | - | |
| ISC | 683hZZS | ||
| NMB | SSL-730ZZ | ||
| NTN | FW683ZZA | ||
| RMB | - | ||
| SKF | W638/3-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 24130SWRCg2E4 CX 71801 CTBP4 CYSD 7808CDF Timken 5202K CX 7320 A-UO ISO 7210 BDF IKO BRI 487232 U SKF FYTB 40 WF ISO NJ2213 ISO NP419 IKO RNA 6905UU NACHI UKC322+H2322 SKF NK-50/25 Smith YCRS-18 GMN HYKH6004ETAP4/ABEC7
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