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Deflection Calculator

Winertia Idler Application Analysis

Web Parameters
Web Tension lb/in
Web Width in.
Wrap Angle deg
Nip Load lbs.
    
 
Roller Data
Type Std   AV   LS  
Selection
Roll Face in
Sectional Area
in2
Weight
lb
Area Inertiaxx
in4
Radius of Gyration, kz
in
Rotational Inertia, Wk2
lb-in2
Resultant Tension Force
lbs
Deflection by Gravity
in
Deflection by Tension
in
Deflection by nip roll
in
Total Deflection
in
  
Shaft Data
Shaft Length in
Shaft OD
in
Shaft ID
in
SectionalArea
in2
Weight
lb
Area Inertiaxx
in2
Total Idler Load
lbs
Deflection by Gravity
in
Deflection by Idler Load
in
Total Deflection
in
Brg Misalign by Weight
deg
Brg Misalign by Idler Load
deg
Total Bearing Misalignment 

deg

Note: Total deflection and misalignment results are
worst case scenario where all loads act in the same
direction and sum together.

Rev. 11/23/2010
Shaft Data
Not applicable
 
Allowable Roller Deflection1
Class A - precision or nipped
in
Class B - most applications
in
Class C - flexible materials
in
Class D - conveyors & cores
in
1Recommendations published by David R. Roisum, PhD.
  
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