4T-JM612949PK 日本NTN丝杆轴承 4T-JM612949PK价格货期

4T-JM612949PK 日本NTN丝杆轴承 4T-JM612949PK重量参数

4T-JM612949PK货期,4T-JM612949PK轴承尺寸参数图

1R35X42X23D重量参数