| Dimensions (metric) | d | 3 | ![]() Two Shields ZZ |
| D | 7 | ||
| B | 3 | ||
| Approx. Wgt. lbs | .0010 | ||
| Interchange | ADR | - | |
| ISC | 683hZZS | ||
| NMB | SSL-730ZZ | ||
| NTN | FW683ZZA | ||
| RMB | - | ||
| SKF | W638/3-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:NACHI NF 248 SKF * 6220-2RS1 OKB 7528E Timken 26884/26823 KOYO 7319 SNFA BSQU 250 TFT AST GE45ET/X-2RS ISO NU1980 New Departure 5310NR SKF 707 CD/P4A SKF 7219 CD/HCP4A SKF KMT 14 SKF FYRP 2 11/16-18 SKF SALKAC 18 M SNR 6226
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