3B124-SK Pulley | 12.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

3B124-SK Pulley | 12.75" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

The 3B124-SK is a durable cast iron pulley designed for use with A, 4L, and B, 5L V-belts in industrial motor and HVAC applications. It serves as a reliable replacement part compatible with QTL Quick Detachable Taper Bushings for efficient power transmission.

Key Specifications

• Frame / Diameter: 12.75" Outside Diameter
• Pitch Diameter A: 12.00"
• Pitch Diameter B: 12.40"

Product Features & Fitment

This three-groove pulley requires an "SK" style bushing, which is not included. It is compatible with QTL Quick Detachable Taper Bushings to facilitate secure mounting. Depending on the diameter, the pulley may be solid or feature spokes 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

• Specifications