| Dimensions (metric) | d | 4 | ![]() Two Shields ZZ |
| D | 9 | ||
| B | 4 | ||
| Approx. Wgt. lbs | .0030 | ||
| Interchange | ADR | - | |
| ISC | 684hZZS | ||
| NMB | SSL-940ZZ | ||
| NTN | FW684ZZA | ||
| RMB | - | ||
| SKF | W638/4-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:NACHI 32926 INA LSL19 2338 SKF 2204 ETN9 OKB 470714 OKB 2060084 ISB 1216 NKE 53417 RHP LJT2.1/4 Timken M249732/M249710CD+M249732XA ISB NJ 415 CX NNC4926 V FAF 5312 IKO SCE-1012 MRC SSR-6-ZZ GMN L35X47X10
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