| 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:KOYO 7200 AC RIV N 238 TIMKEN 33215/33215 OKB 11314 Timken 26882/26820 ISO 322/28 NTN 7040CT1B/GNP42 FAG B7220-C-T-P4S NTN E-625980 INA FTO1 FAG HCB7005-C-T-P4S Timken NKJ12/20 Barden 234407MSP/5 Barden HC71904TGP/4 NOK NE 140
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