| Dimensions (metric) | d | 8 | ![]() Two Shields ZZ |
| D | 16 | ||
| B | 6 | ||
| Approx. Wgt. lbs | .0090 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| NMB | - | ||
| NTN | - | ||
| RMB | - | ||
| SKF | W638/8-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 31307 SKF 3313 DNRCBM OKB 77788 OKB 98902KR NKE 24030-CE-K30-W33 FBJ 4214ZZ ISO 54310U+U310 NSK BH-1620 SKF GE50TXE-2LS ISB NN 3034 SPW33 FAG 6008 STEYR H-2320x31/2 SKF NNCF-4914V SKF NUTR-25-X SKF SDAF-316
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