Spur Sprockets A simple, durable design for electric and small gas saws
• Economical with good wear resistance • A one-piece design that must be replaced as a complete unit • Replacement schedule: every two chain loops
3/8" Pitch, Low Profile ™
554045X 544554 544555 544675X 544676X 544677X 544678X
27958 27999 28000 28001 28004 28005 28006 28016X
106068X 106656X 106657X 106658X 107504X
106906X 108567 112130 112135 508038X 513446 514678 522963X 523524X
Attention Dealers: Some Oregon® spur sprockets have bearings installed, but some do not. Part numbers ending with a number have bearings installed. Part numbers ending with the letter “X” do not. Bearings must be purchased separately for all rim systems having part numbers that end with an X. See bearing fit up info starting on pages FOR 213–217.
* For the 6-tooth spur column part numbers, use only with 3/8" Low Profile™ chains (90PX, 91P, 91PX, 91VXL) or the competitive equivalent of the previously listed chains.
Spur Sprocket Additional Components
NOTE: Additional components are available separately and part numbers are listed in the charts on pages FOR 213–217
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