采用滚柱轴承、球轴承和滚针轴承的组合，***具备非常高的性能：MT4产品转速6000、承重1400Kg、精度0.002mm，适合用于高精密高速加工和重切削。采用了V型油封防止高速回转时的发热现象。161003BS-MT33BS161004BS-MT44BS161005BS-MT55BS162003BSC-MT33BSC162004BSC-MT44BSC162005BSC-MT55BSC163003BSL30-MT33BSL30163004BSL30-MT44BSL30163005BSL30-MT55BSL30164003BSL30C-MT33BSL30C164004BSL30C-MT44BSL30C164005BSL30C-MT55BSL30C165003BSL30A-MT33BSL30A165004BSL30A-MT44BSL30A165005BSL30A-MT55BSL30A166003BSL30AC-MT33BSL30AC166004BSL30AC-MT44BSL30AC166005BSL30AC-MT55BSL30AC)