INA 推力角接触球轴承 ZKLDF 双向,用于丝杠安装,两侧密封罩 d mm D mm H mm ZKLDF100 100 185 38 ZKLDF120 120 210 40 ZKLDF150 150 240 40 ZKLDF200 200 300 45 ZKLDF260 260 385 55 ZKLDF325 325 450 60 ZKLDF395 395 525 65 ZKLDF460 460 600 70 d mm D mm H mm