Description
The Nordyne 919321 is a single groove AK-style cast iron sheave engineered for reliable power transmission in HVAC blower and fan drive applications. With a 2.50″ outside diameter and a 3/4″ fixed bore, this sheave delivers a precise, secure fit on standard motor and blower shafts, minimizing vibration and maximizing drive efficiency.
Key Features
- 2.50″ outside diameter for accurate belt alignment and drive ratio
- 3/4″ fixed bore for a solid, no-slip shaft connection
- Single groove AK sheave profile — compatible with 3L, 4L, and A series V-belts
- Cast iron construction for long-lasting durability and resistance to wear
- Designed as a direct OEM replacement for Nordyne systems
- Maintains proper belt tension and reduces slippage in blower drive assemblies
Compatible Belt Types
- 3L series V-belts
- 4L series V-belts
- A series V-belts
Specifications
- Brand: Nordyne
- Part Number: 919321
- Outside Diameter: 2.50″
- Bore Size: 3/4″ (Fixed)
- Groove Quantity: Single Groove
- Sheave Style: AK
- Material: Cast Iron
The Nordyne 919321 sheave is the ideal OEM replacement for maintaining peak blower performance in Nordyne heating and cooling equipment. Its cast iron construction ensures longevity under continuous operation, while the fixed bore design simplifies installation and ensures concentricity. Order from Jackson Systems for fast shipping and competitive pricing.
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