Standard No.:	GB/T 4772.1-1999
English Name:	Dimensions and output series for rotating electrical machines -Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1 080
Chinese Name:	旋转电机尺寸和输出功率等级 第1部分: 机座号56~400和凸缘号55~1 080
Chinese Classification:	K20    Electric rotating machinery in general
Professional Classification:	GB    National Standard
ICS Classification:	29.160.01 29.160.01    Rotating machinery in general 29.160.01
Source Content Issued by:	AQSIQ
Issued on:	1999-2-2
Implemented on:	1999-9-1
Status:	to be superseded
Superseded by:	GB/T 4772.1-2025 Dimensions and output series for rotating electrical machines - Part 1: Frame numbers 56 to 400 and flange numbers 55 to 1080
Superseded on:	2026-2-1
Superseding:	GB 4772.1-1984 电机尺寸及公差 机座号36~400凸缘号FF55~FF1080或FT55~FT1080的电机
Target Language:	English
File Format:	PDF
Word Count:	20000 words
Translation Price(USD):	600.0
Delivery:	via email in 1~5 business day

本标准适用于大多数工业用途的旋转电机，其尺寸范围：底脚安装——轴高：50～400mm凸缘安装——凸缘基圆直径:55～1 080mm本标准列出了安装尺寸、轴伸尺寸和输出功率等级的表格。对于不同的轴值直径，还列出了作为交流电动机连续工作制时允许的最大转矩。