Product Review

Longruner 75 Type Plastic Crown Gear Single Double Reduction Gear Worm Gear, great for all kinds of DIY cars, robots, model making accessories; suitable for DIY model production technology.

Package included:
-19X Double Reduction Gear(each one) --16102B, 18102A, 20082B, 20102B, 22082A , 22102B, 24102B, 24122B, 26082B, 28102B, 30162A, 30122B, 32082B, 34102B, 38082B, 40102B, 46082A, 48102B, 50102A
-12X Single Reduction Gear(each one) --202A, 242A, 282A, 302A, 303A, 302.5A, 322A, 362A, 402A, 422A, 482A, 562A
-11X Crown Gear(each one) --C152A, C203A, C282A, C282.5A, C303A, C322A, C20082A, C28082B, C28102.5B, C30102B, C40102B
-9X Spindle Gear(each one) -- 80.8A, 81A, 81.5A, 82A, 102A, 122A, 132A, 142A, 182A
-7X Belt Pulley(each one) --122B,102B, 62A, 132A, 16.82A, 242AB
-6X Axle Sleeve(each one) --2A(2PCS), 2.5A(2PCS), 3A(2PCS)
-5X Belt(each one)
-2x Worm Gear(each one) -- W6*62A, W6*82A
-2X Connecting Rack(each one)
-1X Tee Collar --3T-2A-2B
-1X Bevel gear --S162A

Model Note:
1. The first two digits encoding: the number teeth of externally toothed gear.
2. The encoding three or four numbers: the number of internal gear teeth.
3. coding fifth digits: the pore size of the gears.
4. Last encoded in English: A: tight B: loose
-2A indicates that the central axis is 1.95mm; it is tightly fitted with the optical axis of 2mm and rotates together with the optical axis.
-2B indicates that the central axis is 2.05 mm; with the optical axis of 2 mm, it is loosely fitted and is free to rotate on the optical axis.
-For example: Size of 16102B: 16 external teeth, 10 internal teeth, 2MM aperture, loose axle.
-Gear diameter: (16+2)X 0.5(MM)=9MM Gear outer diameter is 9MM