Adjustable-Speed V-Belt Pulleys
3 Grooves
4 Grooves
Also known as step-cone pulleys, these have multiple groove sizes so you can quickly change rotation speed by moving your belt to a different groove. Use with fractional-horsepower motors for drives with frequent speed changes.
For technical drawings and 3-D models, click on a part number.
Keyway | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Grooves | OD (Pitch Dia.) | For Shaft Dia. | Wd. | Groove Dp. | Wd. | Dp. | Material | Body Type | Includes | Each | |
For 4L, A Belts | |||||||||||
| 3 | 2" (1 3/4"), 3" (2 3/4"), 4" (3 3/4") | 1/2" | 1 7/8" | 0.5" | __ | __ | Zinc | Solid | One Set Screw | 0000000 | 000000 |
| 3 | 2" (1 3/4"), 3" (2 3/4"), 4" (3 3/4") | 5/8" | 1 7/8" | 0.5" | 3/16" | 3/32" | Zinc | Solid | One Set Screw | 0000000 | 00000 |
| 3 | 2" (1 3/4"), 3" (2 3/4"), 4" (3 3/4") | 3/4" | 1 7/8" | 0.5" | 3/16" | 3/32" | Zinc | Solid | One Set Screw | 0000000 | 00000 |
| 3 | 3" (2 3/4"), 3 1/2" (3 1/4"), 4" (3 3/4") | 1/2" | 1 3/4" | 0.5" | __ | __ | Zinc | Solid | One Set Screw | 0000000 | 00000 |
| 4 | 2" (1 3/4"), 2 1/2" (2 1/4"), 3 1/2" (3 1/4"), 4" (3 3/4") | 1/2" | 2 1/2" | 0.5" | __ | __ | Zinc | Solid | One Set Screw | 0000000 | 00000 |
| 4 | 2" (1 3/4"), 2 1/2" (2 1/4"), 3 1/2" (3 1/4"), 4" (3 3/4") | 5/8" | 2 1/2" | 0.5" | 3/16" | 3/32" | Zinc | Solid | One Set Screw | 0000000 | 00000 |
| 4 | 2" (1 3/4"), 2 1/2" (2 1/4"), 3 1/2" (3 1/4"), 4" (3 3/4") | 3/4" | 2 1/2" | 0.5" | 3/16" | 3/32" | Zinc | Solid | One Set Screw | 0000000 | 00000 |