GB/T 4772.1-1999
Dimensions and output series for rotating electrical machines. Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080 (English Version)

Standard No.: GB/T 4772.1-1999
Language: Chinese, Available in English version
Release Date: 1999
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 4772.1-1999
Replace: GB/T 4826-1984 GB/T 4772.1-1984

Scope: This standard is applicable to most rotating electrical machines for industrial purposes, and its size range: Foot installation - shaft height: 56 ~ 400mm Flange installation - flange base circle diameter: 55 ~ 1080mm This standard lists the installation dimensions, shaft table of extension dimensions and output power ratings. For different shaft extension diameters, the maximum torque allowed as an AC motor in continuous duty is also listed. Note: The various dimensions of the motor shaft height of 355-400mm given in this standard include the values given in GB/T 4772.2.

GB/T 4772.1-1999 history

1999 GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines. Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
0000 GB/T 4772.1-1984