| Dimensions (metric) | d | 4 | ![]() Two Shields ZZ |
| D | 9 | ||
| B | 3.5 | ||
| Approx. Wgt. lbs | .0030 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| NMB | - | ||
| NTN | - | ||
| RMB | - | ||
| SKF | W628/4-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:MRC 7203 C OKB 2317E OKB 8326K Timken 190RN92 Timken 230RU92 Gamet 240139X/240241XH ISB 234438 NSK 50KW01 NKE 6002-RS2 NSK 7928 A5 SKF 81192M CYSD NJ305+HJ305 KAYDON KG-60XPO SKF BD-24034 CCK30/W33-AH 24034 SKF SSAFS 23052 KAT x 9.1/2
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