Martin 4/3V6.90 QD-SK Bushing Bore V-Belt Pulley - 3V Belt Section, 4 Groove, 6.9 in O.D.

Product Description

The Martin 4/3V6.90QD-SK is a durable bushing bore V-belt pulley designed for high-performance applications. This pulley features a three-vee belt section with four grooves for efficient power transmission. With a pitch diameter of six point eight five inches and an outside diameter of six point nine inches, this SK series bushing pulley is suitable for various mechanical needs.

• Interchangeable with other manufacturer's QD bushings
• Constructed from class 30 gray iron for durability
• Statically balanced for smooth operation

Product Highlights

This V-belt pulley is engineered for precise machining, ensuring consistent finishes and high quality. It meets industry guidelines for tolerances and has a maximum rim speed indicated on the print.

Product Information

Standard Information

• Brand: Martin
• Country of Origin: United States

Technical Specifications

• Weight: 11.8 lbs
• Face Width: 1.9063 inches
• Overall Width: 1.90625 inches
• Pitch Diameter: 6.85 inches
• Outside Diameter: 6.9 inches
• Number of Grooves: 4
• Bushing Series: SK
• Bushing Bore Range: 0.5000 to 2.6250 inches
• Length Through Bore: 1.9375 inches
• Sheave Drawing Type: A1
• Storage Dimensions: 7.625 inches (width) x 2.5 inches (height) x 7.625 inches (length)