| Dimensions (metric) | d | 3 | ![]() Two Shields ZZ |
| D | 6 | ||
| B | 3 | ||
| Approx. Wgt. lbs | .0010 | ||
| Interchange | ADR | - | |
| ISC | - | ||
| NMB | - | ||
| NTN | - | ||
| RMB | - | ||
| SKF | W637/3-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 22322 CCK/W33+H 2322 TIMKEN 555-S/553A Timken 135RIF580 ISB 61919 KBC 7205B NTN EC-6005ZZ NBS HK 0509 IKO KT 182519 NACHI NUP 220 SKF P 47 R-17 RM ISO SL181856 NH MS-10-NR RHP RMS-191/2-L SKF 332240 A NOK WR 50A
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