12-20 0541/1-32222

Specifications
Part Number 12-20 0541/1-32222
Gear Internal toothed
Geometry
Weight(G) 95
Outside diameter outer ring(Da) 25.5
Inside diameter inner ring(di) 17.6
inside diameter outer ring(Di) 21.476
Outside diameter inner ring (da) 21.358
Outside bole-hole circle diameter (La)
intside bole-hole circle diameter (Li)
Mounting Holes
Pitch circle diameter Outer Ring (La) 24
Number Holes in Outer Ring (na) 12
Pitch circle diameter Inner Ring (Li) 19.36
Number Holes in Inner Ring (ni) 20
Gearing and Tooth Forces
Pitch Circle Diameter (do) 18
Diametral Pitch (Pd) 4
Number of Teeth (Z2) 72
Permissible tooth force (fz norm)(lbs) 2830
Maximum perissible tooth force (fz max)(lbs) 6290
Load Rating
Static Co rad(lbs) 75086
Static Co Max(lbs) 175351
Dynamic C rad(lbs) 38892
Dynamic C Max(lbs) 39117
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