Lennox 39L13 – (BK100X) 1-7/16" Cast Iron Finished Bore Pulley, 9.75" OD, 1-Groove
The Lennox 39L13 (BK100X) is a high-quality finished bore pulley designed for HVAC systems and other mechanical applications requiring reliable power transmission. With a durable cast iron construction and a precision-machined finish, this pulley ensures optimal strength, balance, and long-term performance under demanding conditions.
- Outside Diameter (OD): 9.75 inches
- Grooves: 1 (Single-groove design for standard V-belt applications)
- Bore Size: 1-7/16 inches (finished bore, ready for installation)
- Material: Heavy-duty cast iron with corrosion-resistant finish
- Keyway & Set Screw: Standard keyway and two set screws ensure secure mounting on shaft
- Belt Type Compatibility: Designed for use with A, 4L, or similar V-belts
- Application: Commonly used in blower motors, fans, and belt-driven HVAC systems
This pulley is engineered for precise belt alignment and minimal vibration, contributing to smoother operation and reduced wear on belts and bearings. Its finished bore design eliminates the need for additional machining, offering a hassle-free installation experience.Reliable. Durable. Ready to install.
The Lennox 39L13 is an excellent OEM replacement or upgrade pulley—available now at Beenimax.com.