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Mounting stiffness

Cantilever-Mounted Cylinder Deflection Calculator

Estimate elastic deflection and bending stress of a cantilevered cylinder or support member under side load using section diameter and span. Enter the application values to calculate four decision-ready outputs and review the governing assumptions before selecting equipment.

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Mounting stiffness

Run the calculation

Estimate elastic deflection and bending stress of a cantilevered cylinder or support member under side load using section diameter and span. Enter the application values to calculate four decision-ready outputs and review the governing assumptions before selecting equipment.

Engineering inputsCantilever Cylinder Deflection Calculator

Enter the known application values. Outputs update instantly as units or assumptions change.

Support model
Use these values for preliminary sizing before final datasheet review.

Engineering visual

Cantilever Cylinder Deflection Calculator calculation path

The rod is shown as a loaded beam or column so unsupported length, diameter, end restraint, side load, and deflection can be read in their physical positions.

Cantilever Cylinder Deflection Calculator calculation pathThe rod is shown as a loaded beam or column so unsupported length, diameter, end restraint, side load, and deflection can be read in their physical positions.LOAD FUNSUPPORTED LENGTH LROD dDEFLECTION δ
  1. 01Equivalent support diameter
  2. 02Calculate and compare
  3. 03Calculated end deflection
Calculated end deflection
Maximum bending stress
Equivalent section inertia
Calculated end slope

Calculation reference

What this tool checks.

Use the displayed relationship to understand how the entered conditions affect the result. Treat the output as a preliminary selection, then verify actual operating conditions, catalog limits, and safety margin.

Inputs

  • Equivalent support diameter
  • Cantilever length
  • End side load
  • Elastic modulus
  • Support model

Outputs

  • Calculated end deflection
  • Maximum bending stress
  • Equivalent section inertia
  • Calculated end slope

Engineering guide

Use the result with the right context.

Calculate cantilever cylinder deflection calculator for a pneumatic application and compare the result with supplier data.

Calculation workflow

  1. Enter Equivalent support diameter, Cantilever length, End side load and replace every default with application data.

  2. Run the calculation while keeping pressure, temperature, geometry, and reference states consistent.

  3. Interpret Calculated end deflection, Maximum bending stress, Equivalent section inertia against the supplier datasheet, machine risk, and an appropriate design margin.

Assumptions and limits

  • The relationship is a first-pass rigid-body or elastic-member estimate; guides, joints, seals, and structural compliance can change the installed result.

  • Use pressure available at the actuator and verify mounting, cushioning, duty, speed, and catalog load limits.

FAQ

Common review questions.

01Tool noteWhat does the Cantilever Cylinder Deflection Calculator calculate?

Estimate elastic deflection and bending stress of a cantilevered cylinder or support member under side load using section diameter and span. It returns Calculated end deflection, Maximum bending stress, Equivalent section inertia, Calculated end slope so the primary answer and its supporting checks stay together.

02Tool noteCan I use the result as a final component selection?

Use it for preliminary engineering and RFQ comparison. Final selection must include supplier ratings, installation losses, transient conditions, applicable standards, machine risk, and validation testing.

03Tool noteWhy can a supplier calculation differ?

Supplier tools may use proprietary test curves, correction factors, rounding, leakage allowances, or reference conditions. Match those conditions and replace the defaults before comparing results.

04Tool noteWhat should I verify after using the Cantilever Cylinder Deflection Calculator?

Check the entered units and reference conditions, then compare the calculated outputs with manufacturer ratings, application safety margins, transient loads, installation losses, and measured machine performance.