91-20 0413/1-37112

Specifications
Part Number 91-20 0413/1-37112
Gear External toothed
Geometry
Weight(G) 67
Outside diameter outer ring(Da) 19.9
Inside diameter inner ring(di) 11.969
inside diameter outer ring(Di) 16.437
Outside diameter inner ring (da) 16.319
Diameter outer ring (a)
Diameter inner ring (b)
Mounting Holes
Pitch circle diameter Outer Ring (La) 18
Number Holes in Outer Ring (na) 8
Pitch circle diameter Inner Ring (Li) 13.13
Number Holes in Inner Ring (ni) 12
Gearing and Tooth Forces
Pitch Circle Diameter (do) 19.5
Diametral Pitch (Pd) 4
Number of Teeth (Z2) 78
Permissible tooth force (fz norm)(lbs) 2540
Maximum perissible tooth force (fz max)(lbs) 5800
Load Rating
Static Co rad(lbs) 26527
Static Co Max(lbs) 61822
Dynamic C rad(lbs) 35070
Dynamic C Max(lbs) 35070
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