KHK Stock Gears 3013
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272SpurGearsHelicalGearsInternalGearsRacksCP Racks& PinionsMiterGearsBevelGearsScrewGearsWormGear PairBevelGearboxesOtherProductsSteel Miter GearsModule 1~8SMABCDEF ( I )GHJB2Catalog No.Gear ratioModuleNo. of teethShapeBoreHub dia.Pitch dia.Outside dia.Mounting distanceTotal lengthCrown to back lengthHub widthAH7BCDEFGHSM2-16SM2.5-16SM3-16SM4-16SM5-161m2m2.5m3m4m51616161616B2B2B2B2B210121416202734425570324048648034.8343.5352.2469.6687.073035405065192123283715.4116.7718.1220.8328.5411.5121313.520SM1-20SM1.25-20SM1.5-20SM2-20SM2.5-201m1m1.25m1.5m2m2.52020202020B3B3B3B3B368812141622263442202530405021.4126.7732.1242.8353.54202330374813.9415.2721.2424.8932.5410.7111.3816.0618.4124.7789131419SM3-20SM3.5-20SM4-20SM5-20SM6-20m3m3.5m4m5m62020202020B3B3B3B3B316202025285060648010060708010012064.2474.9585.65107.07128.485865759010439.8444.1350.7860.3867.6730.1232.4737.8343.5448.242325273034SM8-20m820B330130160171.3112573.3350.6630SM1-25SM1.25-25SM1.5-25SM2-25SM2.5-251m1m1.25m1.5m2m2.52525252525B3B3B3B3B36810121620253040502531.2537.55062.526.4133.0239.6252.8366.04232834405015.1617.8822.2524.3330.4111.2113.2616.3116.4120.5289.2511.51012.5SM3-25SM3.5-25SM4-25SM5-25SM6-25m3m3.5m4m5m62525252525B3B3B3B3B320252828286070801001207587.510012515079.2492.45105.66132.07158.4860708010012037.8143.2349.3260.8272.3224.6228.7232.8341.0449.241517.5202530SM1-30SM1.25-30SM1.5-30SM2-30SM2.5-301m1m1.25m1.5m2m2.53030303030B3B3B3B3B381010121624303645603037.545607531.4139.2747.1262.8378.54283643506217.7123.4728.2429.4236.2813.7118.1321.5621.4126.271013.51612.517SM3-30SM3.5-30SM4-30SM5-30m3m3.5m4m530303030B3B3B3B32025282870901001309010512015094.24109.95125.66157.0775859512045.4749.6654.5268.5632.1234.9737.8348.5420252535[Caution on Product Characteristics]① The allowable torques shown in the table are the calculated values according to the assumed usage conditions. Please see page 253 for more details.② Dimensions of the outside diameter, the overall length and crown to back length are all theoretical values, and some dif-ferences will occur due to the corner chamfering of the gear tips.SpecificationsPrecision gradeJIS B 1704 : 1978 grade 3Gear teethGleasonPressure angle20°MaterialS45CHeat treatment ―Tooth hardness(less than 194HB)*For products not categorized in our KHK Stock Gear series, custom gear pro-duction services with short lead times is available. For details see page 8.

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