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Four matched unbreakable plastic gears. The three larger gears are beveled on one side and can mesh at 90 degrees as well as the normal 180 degree angle. They have 5mm bores. Inserts are supplie... CAT# GR-86
$2.25 each
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Made for a Kodak 35mm film scanner, this high-quality plastic gear train contains four gears. Three are identical dual gears with 36 and 10 teeth. The other has 18 and 22 teeth. The unit snaps toge... CAT# GR-131
$1.00 each
Quantity:  
 
42 tooth sprocket for #25 roller chain. 3.5" diameter. Attaches to 10mm (0.4") diameter half-moon shaft. 0.42" collar. CAT# GR-123
$2.00 each
Quantity:  
44.5mm diameter x 12mm thick aluminum gear. 33 teeth, 4mm pitch. 14mm diameter x 13mm long collar. Fastened to 8mm diameter x 55mm long shaft with a roll pin through the collar and shaft. CAT# GR-132
$1.50 each
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Velleman Kits # KNS7. Fun with gears and motors. Small 3 Vdc motor, metal bracket and axles, and an assortment of small plastic gears and collars to produce a gear train of various ratios. Note: ... CAT# GR-84
$11.95 each
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Five matched break-resistant plastic gears ranging from 0.44" diameter (10 teeth) to 2.02" (50 teeth). Gears are molded with 0.15" (4mm) bores and come with inserts which reduce the bore to 0.065" ... CAT# GR-5
$2.75 each
10 or more    $2.00 each
Quantity:  
 
Two 22-cog, 1.17" diameter nylon gears with 5.8" stainless steel axle. The 0.25" diameter axle is attached to one gear. The other end is flatted and mates with the other gear. CAT# GR-40
139 Available
$1.00 each
Web Only!
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