Thomas, Hugh Kerr · New York : McGraw-Hill Book Co. · leaf 56
3 *S being in this case the resultant separating force. It is evidentthat this force acting on the bearings of the worm has its exactcounterpart in the bearings of the worm wheel; in Fig. 18, thetwo side components of the forces acting on the wheel areshown, and they are seen to consist of the… … Fig. 18. of the axis of motion in the case of the wheel, there is no result-ant force acting on the bearings. It follows from this, therefore,that theoretically the journal bearings of the wheel are morelightly stressed than those of the worm, but in practice it is notpossible to make them any…
Gearing, Worm
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