GB/T 7346-1998
Replaced
GB/T 4772.1-2025
Active
National standards
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 1 080
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 1 080
Price:
$ 93
Basic Information
Standard Code:
GB/T 4772.1-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Rotating motor
ICS Name:
Rotating motor comprehensive
Publish Date:
2025-08-01
Implement Date:
2026-02-01
Pages:
32 pages
Scope
This document applies to most rotating motors used in industrial applications, with a range of sizes and power levels:
—— Base mounting: Shaft height: 56 mm to 400 mm;
—— Flange mounting: Flange base circle diameter: 55 mm to 1,080 mm.
This document specifies the installation dimensions, shaft protrusion dimensions, and the corresponding relationships between output power levels and motor frame numbers.
Development Information
Replace the following standards
Referenced Standards
ISO 128-3:2022
ISO 273
ISO 286(所有部分)
ISO 1101
ISO 2768-1
Adopt standards
IEC 60072-1:2022
Related Standards
GB/T 4772.1-1999
Replaced
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
GB/T 4772.2-1999
Active
GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines— Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360
GB/T 4772.3-1999
Active
GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines— Part 3:Samll built-in motors flange numbers BF10 to BF50
GB 10068-2000
Replaced
GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher—Measurement,evaluation and limits of vibration
GB/T 17948.1-2000
Replaced