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

Brand: MARTIN
SKU: 4/3V6.90QD-SK
Availability: Out Of Stock
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Description

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)

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