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請(qǐng)問(wèn)這兩種軸承后綴代號(hào)分別是什么意思? |
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點(diǎn)評(píng)
同意這位兄弟的解釋
補(bǔ)充下:
73932ACTA/SPOBB 可能是--73932ACTA/SPDBB
SP--特精密級(jí),尺寸精度約為P5,運(yùn)行精度約為P4
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