12-25 0555/1-04220

Specifications
Part Number 12-25 0555/1-04220
Gear Internal toothed
Geometry
Weight(G) 168
Outside diameter outer ring(Da) 25.787
Inside diameter inner ring(di) 16.378
inside diameter outer ring(Di) 21.929
Outside diameter inner ring (da) 21.772
Outside bole-hole circle diameter (La)
intside bole-hole circle diameter (Li)
Mounting Holes
Pitch circle diameter Outer Ring (La) 24.213
Number Holes in Outer Ring (na) 20
Pitch circle diameter Inner Ring (Li) 19.449
Number Holes in Inner Ring (ni) 20
Gearing and Tooth Forces
Pitch Circle Diameter (do) 17.008
Diametral Pitch (Pd)
Number of Teeth (Z2) 54
Permissible tooth force (fz norm)(lbs) 7194
Maximum perissible tooth force (fz max)(lbs) 14388
Load Rating
Static Co rad(lbs) 124319
Static Co Max(lbs) 332717
Dynamic C rad(lbs) 6249
Dynamic C Max(lbs) 69916
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