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Gear Couplings

GSL-Z Telescopic Crowned Gear Coupling, Standard Mounting

GSL-Z Telescopic Crowned Gear Coupling, Standard Mounting with model-specific technical data, engineering context and assembly drawing for preliminary selection.

Last reviewed Aug 29, 2026

Product Overview

GSL-Z is the standard-mounted telescopic GSL universal-joint configuration. The table gives nominal torque, operating angle, overall and minimum lengths, length compensation and trunnion dimensions. Use the standard mounting drawing to confirm orientation, shaft phasing and clearance before comparing the available size rows. The published model tables contain 34 size rows and provide torque values spanning 31.5–1600 N·m, operating-angle values spanning 1.5 °. Use those values for preliminary comparison only; final materials, current standards, manufacturing details and operating suitability require confirmation from RONGXING DRIVE.

Key Features

  • Standard-mounted telescopic universal-joint arrangement
  • Length compensation paired with operating-angle data
  • Trunnion dimensions define the machine-side interface
  • The model data provides torque values spanning 31.5–1600 N·m, operating-angle values spanning 1.5 ° for a traceable preliminary comparison.

Typical Selection Context

  • Angled drive lines with standard mounting access
  • Heavy process or rolling equipment where shaft length varies during operation

Technical Specification

The following model tables are provided for preliminary comparison. Keep the relevant assembly drawing with the selected row.

ModelNominal torque Tn kN·mOperating angle βOverall dimensions L₁Overall dimensions L₂Overall dimensions L₃Overall dimensions L₄Overall dimensions L₅Overall dimensions LminOverall dimensions D₁Overall dimensions D₂ (h8)Overall dimensions D₃Overall dimensions D₄Overall dimensions D₅Length compensation STrunnion dimensions d₁ (f8)Trunnion dimensions l₁Trunnion dimensions l₂Trunnion dimensions d₁×H1
GSL-Z20031.5≤1.5°9025050801907102002001708820050040200345M20×35
GSL-Z25050105280609019578025025822010525045270425M20×35
GSL-Z285801153156010520585028527024512027050278442M20×40
GSL-Z3001001153156210820585530028025012428060050292487M24×45
GSL-Z3351401303606513523597533533028015030055293488M24×45
GSL-Z35518013036075145245100535535031017433055312505M24×45
GSL-Z39022414039080155255107039038033518036060360570M24×50
GSL-Z40525014039080155255107040540034019439060390580M24×45
GSL-Z44031515043085165260114044044037520841065420650M24×45
GSL-Z47540015546085165265118047548041522045070460684M36×70
GSL-Z51050016049090180310128051052043024548070080500770M36×70
GSL-Z55063016051095180310130055055047025251085520800M36×70
GSL-Z58075016551598185320131558056048525852590540850M42×80
GSL-Z6108402255801052103601550610610520280580100600940M42×80
GSL-Z66010502456401152303901690660660540295630100650990M42×80
GSL-Z710130026568012525041018007107105803156801107001070M42×80
GSL-Z760160029073013526043019207607606203407401207501150M42×80
ModelRoll-end connection dimensions d₃max nominal dimensionRoll-end connection dimensions d₃max limit deviationRoll-end connection dimensions H₂max nominal dimensionRoll-end connection dimensions H₂max limit deviationRoll-end connection dimensions l₃maxRoll-end connection dimensions l₄maxRoll-end connection dimensions CGearbox-end connection dimensions d₄ (H8)Gearbox-end connection dimensions d₅ (H7)Gearbox-end connection dimensions d₆ (JS10)Gearbox-end connection dimensions m×zGearbox-end connection dimensions n×d₇×H₃Gearbox-end connection dimensions l₅Gearbox-end connection dimensions l₆Gearbox-end connection dimensions l₇Mass kg LminMass kg per 100 mm increaseMass moment of inertia kg·m² LminMass moment of inertia kg·m² per 100 mm increase
GSL-Z200125+0.20 +0.1095+0.20 +0.10135175101551301104×366×M10×2535851201504.770.750.024
GSL-Z250150110195235151951701504×468×M10×2535901252076.801.620.05
GSL-Z2851651202052452201951754×4610×M10×2540951302918.882.950.09
GSL-Z3001801302102502201951755×4212×M12×30451001323229.483.620.11
GSL-Z335195+0.25 +0.15150+0.25 +0.152102552452202005×4612×M12×305010015046013.876.450.19
GSL-Z3551951502152552602402205×5012×M12×305010015050718.677.990.29
GSL-Z390220+0.35 +0.20170+0.35 +0.20230275252802602405×5412×M12×305010015065019.9812.360.38
GSL-Z4052401802402853052802605×5812×M12×305011015578523.2016.090.48
GSL-Z4402601902502953363062766×5412×M16×405011515583626.6720.230.65
GSL-Z4752802102723173653303006×5812×M16×4050115155103229.8429.110.84
GSL-Z510300+0.40 +0.25230+0.40 +0.25300355303903453156×6212×M16×4050130170153137.0149.781.20
GSL-Z5503202403203754003703206×6412×M16×4050130170153739.1558.121.48
GSL-Z5803402603253884053703206×6612×M16×4050135175176941.0474.391.73
GSL-Z610400300420470354554203708×5412×M20×5050160210249248.34115.912.25
GSL-Z6604203204405004854404008×5812×M20×5060180230317853.65173.042.92
GSL-Z7104603504805404053047543010×5012×M20×5060190240369361.18232.713.85
GSL-Z76050038053059057051547010×5412×M20×5060200250459271.27331.545.15

Engineering Context

This model is best understood from its own construction: Standard-mounted telescopic universal-joint arrangement; Length compensation paired with operating-angle data; Trunnion dimensions define the machine-side interface Industry selection practice checks torque and speed together with the movement, shaft interface, installation envelope and maintenance conditions allowed by that construction.

Technical Notes

  • Model symbols, units and empty or placeholder cells are shown as published.
  • Dimension letters must be interpreted with the relevant assembly drawing.
  • Published values support preliminary review and do not replace final engineering confirmation.

Assembly Drawing

GSL-Z Telescopic Crowned Gear Coupling, Standard Mounting assembly drawing
Use this assembly drawing together with the selected model row. Dimension symbols and connection details are drawing-specific; confirm final installation dimensions before manufacture or installation.

Information Required for Selection

  • Provide mounting orientation, installed span, angle and travel
  • Match trunnion, minimum length, torque and surrounding clearance
  • Send the exact model row, assembly drawing and actual duty data with the inquiry.

Product FAQ

How is GSL-Z different from GSL-F?

GSL-Z is the standard-mounted arrangement; GSL-F is reverse-mounted and requires a different interface review.

What should be confirmed before a GSL order?

Confirm angle, travel, trunnion dimensions, phasing and the exact mounting orientation.

Are the published values final ordering values?

No. They are preliminary engineering data; confirm the selected model, drawing, dimensions, materials, standard and suitability with RONGXING DRIVE.

Technical data is provided for preliminary selection. Confirm the final model, dimensions, materials, applicable standard and operating suitability with RONGXING DRIVE before quotation, manufacture or installation.

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