Leeson/AMEC
4B74-SK Pulley | 7.75" OD Four Groove "A/B" Pulley / Sheave (bushing not included)
4B74-SK Pulley | 7.75" OD Four Groove "A/B" Pulley / Sheave (bushing not included)
The 4B74-SK is a cast iron four-groove pulley designed for use with A, 4L, and B, 5L V-belts. It serves as a reliable replacement pulley for industrial motor and HVAC applications requiring a 7.75" outside diameter.
Key Specifications
- Frame / Diameter: 7.75" OD
- Pitch Diameter A: 7.00"
- Pitch Diameter B: 7.40"
Product Features & Fitment
This pulley requires an "SK" style QTL quick detachable taper bushing for proper mounting, which is not included. Depending on the diameter, the pulley may be solid or spoked to reduce weight. For assistance selecting the correct bushing, please contact Electric Motor Warehouse. Note that the product image is a general representation and actual pulley design may vary by size.
Warranty
| Pulley Type | Bushing Type |
|---|---|
| Belt Section | A/B |
| Grooves | 4 |
| Bore Size | Bushing Required |
| Pitch Diameter | 5" - 8" |
| Material | Cast Iron |