90-20 1091/0-37072

Specifications
Part Number 90-20 1091/0-37072
Gear Untoothed
Geometry
Weight(G) 150
Outside diameter outer ring(Da) 47.165
Inside diameter inner ring(di) 38.740
inside diameter outer ring(Di) 43.130
Outside diameter inner ring (da) 43.012
Diameter outer ring (a)
Diameter inner ring (b)
Mounting Holes
Pitch circle diameter Outer Ring (La) 15.35
Number Holes in Outer Ring (na) 18
Pitch circle diameter Inner Ring (Li) 39.88
Number Holes in Inner Ring (ni) 24
Gearing and Tooth Forces
Pitch Circle Diameter (do)
Diametral Pitch (Pd)
Number of Teeth (Z2)
Permissible tooth force (fz norm)(lbs)
Maximum perissible tooth force (fz max)(lbs)
Load Rating
Static Co rad(lbs) 70140
Static Co Max(lbs) 164111
Dynamic C rad(lbs) 50357
Dynamic C Max(lbs) 50582
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