| Dimensions (metric) | d | 8 | ![]() Two Shields ZZ |
| D | 16 | ||
| B | 5 | ||
| Approx. Wgt. lbs | .0090 | ||
| Interchange | ADR | - | |
| ISC | 688hZZS | ||
| NMB | SSL-1680ZZ | ||
| NTN | FW688ZZA | ||
| RMB | - | ||
| SKF | W628/8-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:NTN 7314 C/DT SNR 3206 A-RS NTN 22220 CCK/W33 INA HK 0609 OKB 2319 OKB 39241/8 CX NKI6/12 CYSD NN3014K/W33 INA RAE20-NPP-B ZEN SF688-2RS Bower 94520 NSK KR-30-2RSX FAG NU-2236 SKF BD-C 2318 K-H 2318 NOK VC 30 40 5 NBR
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