Work Ports: 1/2 in

Simplicity - 7075672YP

SW-18KH-10000

Use Oregon® 45-225 bearings

Husqvarna - 508 92 61-64

Oregon 91-539 Mulching Blade for 61" Bush Hog, Woods, Grasshopper - 823242, 823243, 320246, 320247, 320322, 70134KT, 70142KT Blade Length - 22-7/8" Work Ports: 1/2 inSPECIFICATIONS Blade Width 2. 50" Thickness 0. 203" Blade Length 21" Center Hole Size 1 2" OffSet 0 Air Lift 1" PRODUCT FEATURES The Oregon 91 539 replacement lawn mower blade is made to the exact OEM specification for optimum performance. Our blades are individually straightened and hardened to provide a consistent, cleaner cut and increase blade longevity. PRODUCT DETAILS Center hole: 1 2" Requires 3 blades for 61" cut Requires 2 blades for 41" cut