| Dimensions (metric) | d | 4 | ![]() Open |
| D | 9 | ||
| B | 2.5 | ||
| Approx. Wgt. lbs | .0020 | ||
| Interchange | ADR | - | |
| ISC | 684h | ||
| NMB | SSL-840 | ||
| NTN | F684 | ||
| RMB | - | ||
| SKF | W618/4 | ||
| 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. | |||
Hot number:SYEYR NU 2304 E TIMKEN 850A/832 NTN 742028/GNP4 SKF BT2-8013/HA3VA901 KOYO KBC080 NKE NUP2311-E-MA6 ISO NUP3220 NMB R-1650HH KOYO UCTX13-40E New Departure 6308-2RSNR NSK 89328 SKF BD-22230 CCK/W33-H 3130 SKF 34x44x8 HMS5 V NACHI 6217 NOK OSI 56 46 6
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