Description
The Nordyne 919943 is an N Series Quick-Detachable (Q-D) taper-lock bushing engineered for reliable, precision power transmission in HVAC and commercial mechanical systems. Designed for easy installation and removal without disturbing surrounding equipment, this bushing delivers a secure, concentric fit that minimizes vibration and extends the service life of sheaves, pulleys, and sprockets.
Product Overview
The Q-D (Quick-Detachable) design uses a self-locking taper that draws the bushing firmly into the mating hub bore, creating a tight, backlash-free connection. The N Series designation indicates the bushing’s frame size, ensuring proper compatibility with N Series sheaves, pulleys, and other Q-D style components. This bushing is a direct OEM replacement for Nordyne equipment requiring this specific bore and keyseat configuration.
Key Specifications
- Part Number: 919943
- Series: N Series Quick-Detachable (Q-D) Taper-Lock Bushing
- Bore Diameter: 2-7/16″
- Keyseat Dimensions: 5/8″ x 5/16″
- Design: Self-locking taper for secure, concentric shaft mounting
- Compatible with: N Series Q-D sheaves, pulleys, and sprockets
Features & Benefits
- Quick-Detachable design allows fast, tool-efficient installation and removal
- Precision-machined bore and keyseat ensure accurate shaft alignment
- Taper-lock engagement reduces vibration and prevents shaft fretting
- OEM-quality construction for long-lasting, dependable performance
- Direct replacement for Nordyne systems requiring an N Series Q-D bushing
- Eliminates set-screw slippage common in standard bushing designs
Applications
Ideal for use in HVAC blower assemblies, belt-drive systems, fan drives, and other power transmission applications where a secure, easily serviceable shaft-to-hub connection is required. Suitable for use in commercial and industrial HVAC equipment utilizing Nordyne N Series Q-D drive components.
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