KHK Stock Gears 3013
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162SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsEACDSteel Ring Gears (Spur Gears)Module 2、2.5、3SSRS5SpecificationsPrecision gradeJIS grade N9 (JIS B1702-1: 1998)JIS grade 5 (JIS B1702: 1976) Gear teethStandard full depthPressure angle20°MaterialS45CHeat treatment ―Tooth hardness(less than 194HB)Backlash(mm)Weight(kg)Catalog No.0.17~0.370.20~0.412.464.28SSR2-120SSR2-2000.19~0.410.22~0.464.628.01SSR2.5-120SSR2.5-2000.22~0.450.22~0.457.7710.6SSR3-120SSR3-160Catalog No.ModuleNo. of teethShapeBorePitch dia.Outside dia.Face widthAllowable torque (N·m)Allowable torque (kgf·m)AH8CDEBending strengthSurface durabilityBending strengthSurface durabilitySSR2-120SSR2-200m2120200S5S5194354240400244404202036663044.084.237.464.34.498.59SSR2.5-120SSR2.5-200m2.5120200S5S52454453005003055052525715123088.516972.91269.0217.2SSR3-120SSR3-160m3120160S5S529641636048036648630301240168015722612617116.023.0[Caution on Product Characteristics]① The allowable torques shown in the table are calculated values according to the assumed usage conditions. Please see Page 31 for more details.② The backlash values shown in the table are the theoretical values for the normal direction for the ring gear in mesh with a 30 tooth SS type spur gear.③ Although the inside diameter of these gears are made to H8 tolerance, since the ring shape is easily deformed, some error may occur beyond the stated tolerance.[Caution on Secondary Operations]① Please read “Caution on Performing Secondary Operations” (Page 32) when performing modifications and/or secondary operations for safety concerns. KHK Quick-Mod Gears, the KHK's system for quick modification of KHK stock gears is also available.② Avoid performing secondary operations that narrow the tooth width as it affects precision and strength.*For products not categorized in our KHK Stock Gear series, custom gear production services with short lead times is available. For details see Page 8.

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