Dimensions (metric) | d | 4 | ![]() Two Shields ZZ |
D | 9 | ||
B | 4 | ||
Approx. Wgt. lbs | .0030 | ||
Interchange | ADR | - | |
ISC | 684hZZS | ||
NMB | SSL-940ZZ | ||
NTN | FW684ZZA | ||
RMB | - | ||
SKF | W638/4-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:STEYR 6218-RS IKO K12×15×10 NACHI NN 3020 MRC NU 219 SKF HM 231148/110 NTN 4T-CR-6408 CX 617/4 NKE 7334-BCB-MP LS GEWZ44ES KOYO HC STA4785LFT NTN NJ2316 NKE QJ305-MPA STEYR 6020-2RS SKF 35x50x8 HMS5 V SKF BC1B 319579
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