| 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 NJ 310 OKB 246205 OKB NSK 120BER10X FBJ 33225/33462 CX 623/612 ISO 63802-2RS CX 7202 C-UD ILJIN IJ113043 ISO N219 ISB NNU 4136 K30M/W33 NTN SC0046ZZ FAG 52226 FED LS-26 NOK SB 25 44 7 NBR
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