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32mm diameter x 11mm wide. 8mm bore. CAT# GR-126
$0.75 each
Quantity:  
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
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Removed from a 35mm film loading device, this mechanical assembly has some interesting interlocking mechanisms that might be useful in other projects. The knob has a slip-clutch that responds at a ... CAT# EX-69
$2.50 each
Quantity:  
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 nylon gears: 26 cog, 1.08" diameter x 0.27" wide. 0.18" collar. 0.25" diameter bore. 34 cog, 1.41" diameter x 0.23" wide. 0.1" collar. 0.33" diameter flatted bore. CAT# GR-109
$1.75 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
233 Available
$1.00 each
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