東芳520 發(fā)表于 2015-10-24 17:29w$ Z. Q* U) B6 C! t6 o
2RS標示密封材料是橡膠的; X- v5 T! `/ a2 D8 B- p# i& v4 u
2RS1:是兩面具有襯鋼板硫化橡膠圈的接觸式密封
Pascal 發(fā)表于 2015-10-27 09:49^% e3 c% b: ?- r4 [# p8 R
SKF 的解釋如下:. H! [# z9 V- i) C5 E: k- [: ?
RS1: NBR seal with sheet steel reinforcement on one side of the bearing
NBR與硫 ...
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