| Dimensions (metric) | d | 1.5 | ![]() Two Shields ZZ |
| D | 4 | ||
| B | 2 | ||
| Approx. Wgt. lbs | .0010 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| NMB | - | ||
| NTN | - | ||
| RMB | - | ||
| SKF | W638/1.5-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:OKB 92315 OKB 502313E OKB ISO 62/28 AST AST20 19060 IKO BRI 142620 UU FBJ GX80S NSK RSF-49/530E4 NTN NKXR45T2Z+IR40×45×20 NTN NNU4934KC1NAP4 CX NU217 E NSK NUP205EM AST SRW144 BARDEN HCB7208C.T.P4S NACHI 6210-ZN
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