3B66-SD Pulley | 6.91" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

3B66-SD Pulley | 6.91" OD Three Groove "A/B" Pulley / Sheave (bushing not included)

The 3B66-SD is a three-groove cast iron pulley designed for use with A, 4L, and B, 5L V-belts. It serves as a reliable replacement component for industrial motor and HVAC applications requiring a durable sheave with a 6.91" outside diameter.

Key Specifications

• Frame / Diameter: 6.91" OD
• Pitch Diameter A: 6.20"
• Pitch Diameter B: 6.60"

Product Features & Fitment

This pulley requires an "SD" style QTL Quick Detachable Taper Bushing for proper installation, which is not included. Depending on the diameter selected, the pulley may be either solid or spoked to reduce weight. Contact Electric Motor Warehouse for assistance in selecting the correct bushing. The product image is a general representation; actual dimensions may vary based on size.

Warranty

• Specifications