10Pcs/Lot 121.5A 0.5M Pinion Gear Modulus 0.5 12 Tooth Plastic Gear Motor Parts Spindle Gear Motor Toy Accessories
Description
| hign-concerned chemical | None |
| origin | Mainland China |
| model | 121.45A |
| material | plastic |
| tooth profile | Spur Gear |
| shape | Ring Gear |
| standard or nonstandard | Standard |
| certification | RoHS |
| modulus | 0.5M |
| number of teeth | 12T |
| choice | yes |
| semi_choice | yes |
Specifications:
Material: Plastic
No. 121.5A
Modulus: 0.5
Number of teeth: 12
Applicable shaft / aperture: 1.5mm (tight)
Diameter: 7 mm
Thickness: 5mm
How to calculate the outer diameter of gear :
Gear Diameter = (number of teeth + 2) * Modulus
For example(0.5Modulus, 10T): Gear diameter= (10+2)*0.5=6mm
-----------------------------------------
How to calculate the modulus of gear :
Modulus= Gear Diameter/(number of teeth + 2)
For example(6mm Outer Diameter, 10T): Modulus= 6/(10+2)=0.5
Material: Brass
Package included:
10PCS * Gear
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