DRIVE CHAINS - Tsubaki
DRIVE CHAINS - Tsubaki DRIVE CHAINS - Tsubaki
Corrosion Resistant Roller Chains Surface-Treated Drive ChainsNEP SpecificationBefore Use For Safe UseStandard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection HandlingL 1L 2ThDPSingle strandPConnecting linkRS35 to RS60: Clip-typeRS80 or larger: Cotter pin-typeAll sizes of NEP chains are riveted (RP).Roller Inner Width ofPlatesPinsTSUBAKI PitchDiameter Inner LinkChain Number PThickness Height Height DiameterR WL1L2 L1 L 2T H h DRS35-NEP-1 9.525 (5.08) 4.78 1.25 9.0 7.8 3.59 12.7 5.85 6.85RS40-NEP-112.70 7.92 7.95 1.5 12.0 10.4 3.9718.2 8.25 9.95RS40-NEP-2 32.6 15.45 17.15RS50-NEP-122.3 10.3 12.015.875 10.16 9.53 2.0 15.0 13.0 5.09RS50-NEP-2 40.5 19.35 21.15RS60-NEP-127.6 12.85 14.7519.05 11.91 12.70 2.4 18.1 15.6 5.96RS60-NEP-2 50.5 24.25 26.25RS80-NEP-135.5 16.25 19.2525.40 15.88 15.88 3.2 24.1 20.8 7.94RS80-NEP-2 64.8 30.9 33.9RS100-NEP-142.6 19.75 22.8531.75 19.05 19.05 4.0 30.1 26.0 9.54RS100-NEP-2 78.5 37.7 40.8RS120-NEP-1 38.10 22.23 25.40 4.8 36.2 31.2 11.11 53.8 24.9 28.9RS140-NEP-1 44.45 25.40 25.40 5.6 42.2 36.4 12.71 58.6 26.9 31.7RS160-NEP-1 50.80 28.58 31.75 6.4 48.2 41.6 14.29 68.7 31.85 36.85TSUBAKIChain NumberMinimum TensileStrengthkN{kf}RHTWRS35-NEP-1 9.81{1000} 11.3{1150} 2.16{220} 0.33 320RS40-NEP-1 17.1{1800} 19.1{1950} 3.63{370} 0.64RS40-NEP-2 35.3{3600} 38.2{3900} 6.18{630} 1.27RS50-NEP-1 28.4{2900} 31.4{3200} 6.37{650} 1.04RS50-NEP-2 56.9{5800} 62.8{6400} 10.7{1100} 2.07RS60-NEP-1 40.2{4100} 44.1{4500} 8.83{900} 1.53RS60-NEP-2 80.4{8200} 88.3{9000} 15.0{1530} 3.04L 1L 2CAverage TensileStrengthkN{kf}Double strandMaximumAllowable LoadkN{kf}RS80-NEP-1 71.6{7300} 78.5{8000} 14.7{1500} 2.66120RS80-NEP-2 143 {14600} 157 {16000} 25.0{2550} 5.27RS100-NEP-1 107 {10900} 118 {12000} 22.6{2300} 3.9996RS100-NEP-2 214 {21800} 235 {24000} 38.3{3910} 7.85RS120-NEP-1 148 {15100} 167 {17000} 30.4{3100} 5.93 80RS140-NEP-1 193 {19700} 216 {22000} 40.2{4100} 7.49 68RS160-NEP-1 255 {26000} 279 {28500} 53.0{5400} 10.10 60Note: 1. Maximum allowable load when using a one-pitch offset link (OL) is 65% of the above.2. RS35-NEP is a bushed chain; it does not have rollers.3. Multi-strand RS35-NEP is not available.4. 2-pitch offset links are not available.5. Please contact your local Tsubaki representative for information regarding RS180 and above chains.LApproximateMassk/m13.518.033.522.541.828.252.638.267.545.781.557.863.473.6LOffset PinLength L240192160TransversePitchC14.418.122.829.335.8Number ofLinks Per Unit1.2.Precautions in UsageDepending on the conditions of use, if steel roller chains are used with stainless steel sprockets, wear in the roller mayoccur at a much earlier stage than expected due to galvanic corrosion. Please avoid this set up as much as possible.Compared to single-strand chain, the inner link of multi-strand chain is slightly less corrosive resistant. (In-house testingresults)105
Corrosion Resistant Roller Chains Surface-Treated Drive ChainsAPP SpecificationOutstanding performance in atmospheres conducive to pitting corrosionOpposite side of worn surfaceInitiation pointWorn surfacePins are treated with a special surface treatment toprotect against pitting corrosion that leads to fatiguebreaks, thus preventing strength loss. This treatmentis highly effective in environments that readily promotecorrosion, such as outdoors or coastal applications.Note: Pitting is a type of localized corrosion affecting metal surfaces. Pits form toward the interior, and if pitting occurs on pin surfaces, that pin can quickly leadto fatigue breakage and chain failure.Features No strength loss! Eco-friendly chrome-free!Same as standard steel chain.Example applicationsSpecial surface treatment does not use hazardoushexavalent chrome.APP Chains are ideal for atmospheres that readily promote corrosion.Outdoor uses Coastal or riverside uses When regular lubrication is difficultBucket elevatorsTransfer cranes and other port machineryExamples of fatigue breaks caused by pitting corrosionChain: RS240Applicable modelsChain numberBecause equipment is used outdoors,rain can infiltrate gaps in covers, creatingconditions that promote pitting corrosion.Equipment: Port container carrierPitting readily occurs in equipmentexposed to salty air or saltwater spray.Pitting corrosion of the pin due to insufficient lubrication (effects of salty air and saltwater) and corrosive atmosphere - - Fatigue breakageEnlarged viewof fracture surfaceSingle/Double Strand RS Roller ChainPin breakagePitting corrosion readilyoccurs on the opposite sideof the bush wear surface.Enlarged viewof breakageStarting pointPitting was observed inmore than one location.Single Strand Heavy Duty Roller ChainExcept for the surface-treated pins, dimensions and other specifications are the same as other roller chains.Secondary fracture in link plateLoad can become imbalancedafter pin breakage, leading tosecondary breaks in plates.(For other models, contact Tsubaki.)Before Use For Safe Use Standard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection HandlingNote: Select connectinglink (CL).Anti-Pitting Roller Chain106
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Corrosion Resistant Roller Chains Surface-Treated Drive ChainsAPP SpecificationOutstanding performance in atmospheres conducive to pitting corrosionOpposite side of worn surfaceInitiation pointWorn surfacePins are treated with a special surface treatment toprotect against pitting corrosion that leads to fatiguebreaks, thus preventing strength loss. This treatmentis highly effective in environments that readily promotecorrosion, such as outdoors or coastal applications.Note: Pitting is a type of localized corrosion affecting metal surfaces. Pits form toward the interior, and if pitting occurs on pin surfaces, that pin can quickly leadto fatigue breakage and chain failure.Features No strength loss! Eco-friendly chrome-free!Same as standard steel chain.Example applicationsSpecial surface treatment does not use hazardoushexavalent chrome.APP Chains are ideal for atmospheres that readily promote corrosion.Outdoor uses Coastal or riverside uses When regular lubrication is difficultBucket elevatorsTransfer cranes and other port machineryExamples of fatigue breaks caused by pitting corrosionChain: RS240Applicable modelsChain numberBecause equipment is used outdoors,rain can infiltrate gaps in covers, creatingconditions that promote pitting corrosion.Equipment: Port container carrierPitting readily occurs in equipmentexposed to salty air or saltwater spray.Pitting corrosion of the pin due to insufficient lubrication (effects of salty air and saltwater) and corrosive atmosphere - - Fatigue breakageEnlarged viewof fracture surfaceSingle/Double Strand RS Roller ChainPin breakagePitting corrosion readilyoccurs on the opposite sideof the bush wear surface.Enlarged viewof breakageStarting pointPitting was observed inmore than one location.Single Strand Heavy Duty Roller ChainExcept for the surface-treated pins, dimensions and other specifications are the same as other roller chains.Secondary fracture in link plateLoad can become imbalancedafter pin breakage, leading tosecondary breaks in plates.(For other models, contact <strong>Tsubaki</strong>.)Before Use For Safe Use Standard Roller Chains Lube-Free Roller Chains Heavy Duty Roller Chains Corrosion Resistant Roller Chains Specialty Roller Chains Accessories Selection HandlingNote: Select connectinglink (CL).Anti-Pitting Roller Chain106
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