| 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:NSK 6305-2RZ NSK 16013 OKB NKI42/20 ISO 1211 CX 23164 KCW33+H3164 KOYO 234716B ISB NU 1008 NKE NUP420-M FAG KD-90ARO NTN MF-83 SKF NF-226 HOFF R-375-LL STEYR SN-510..2210-K MRC 97215UP2 NOK MG 180 216 20 NBR
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