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3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)
3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)
3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)
3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

Leeson/AMEC

3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

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$82.59
$74.95
SKU 3B74-SK
Shipping Free Shipping
Pulley Type Bushing Type
Belt Section A/B
Grooves 3
Bore Size Bushing Required
Pitch Diameter 5" - 8"
Material Cast Iron
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Description  

3B74-SK Pulley | 7.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

The 3B74-SK is a cast iron, three-groove pulley designed for use with A, 4L, and B, 5L V-belts. It serves as a replacement component in industrial motor and HVAC belt drive systems, offering reliable performance in power transmission applications.

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 (bushing not included). Depending on the diameter, the pulley may feature a solid or spoked design to reduce weight. Please consult Electric Motor Warehouse for assistance in selecting the correct bushing. Note that the product image is a general representation and actual diameter may vary based on size.

Warranty

Warranty Information  
Specifications  
Pulley Type Bushing Type
Belt Section A/B
Grooves 3
Bore Size Bushing Required
Pitch Diameter 5" - 8"
Material Cast Iron
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