Standards used for Pulley calculations
ANSI
| Designation | Description | Revision |
| ISO 4183 | Method for load rating of worm gears. | 1983 |
ISO
| Designation | Description | Revision |
| ISO 4183 | Method for load rating of worm gears. | 1983 |
DIN
| Designation | Description | Revision |
| DIN 2211 Part 1 (March 1984) | Grooved pulleys for narrow V-Belts Dimensions, materials. | Supersedes August 1982 edition |
| DIN 2215 (August 1998) | Classical endless V-Belts: Dimensions. | Supersedes March 1975 edition |
| DIN 7753 Part 1 (January 1988) | Endless narrow V-Belt (For mechanical engineering purpose): Dimensions. | Supersedes October 1977 edition |
| DIN 2217 | Endless V-Belts (For mechanical engineering purpose): Dimensions. |
JIS
| Designation | Description | Revision |
| JIS B 1854 | Grooved pulleys for classical V-Belts. | 1987 |
| JIS B 1855 | Grooved pulleys for narrow V-Belts. | 1991 |
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